ClassID:

214046

H01P3/123 - CPC Classification

Classification description:

Waveguides; Transmission lines of the waveguide type; Hollow waveguides with a complex or stepped cross-section, e.g. ridged or grooved waveguides

Recent Application in this class:
#1
20260066516
2026-03-05

METHOD AND APPARATUS FOR CONTROLLING A RADIO FREQUENCY ENERGY ABSORPTION RATE IN A FERRITE TILE LOAD

#2
20250343342
2025-11-06

DEVICE FOR TRANSMITTING RF (RADIO FREQUENCY) SIGNAL

#3
20250202091
2025-06-19

Waveguide Device

#4
20250202090
2025-06-19

WAVEGUIDE DEVICE

#5
20250174870
2025-05-29

BROADBAND WAVEGUIDE TO DUAL-COAXIAL TRANSITION

#6
20250158286
2025-05-15

ANTENNA DEVICE, RADAR DEVICE, AND TRANSFER DEVICE

#7
20250105484
2025-03-27

WAVEGUIDE

#8
20240275013
2024-08-15

MULTI-MODE WAVEGUIDE AND WAVEGUIDE DEVICE

#9
20240213646
2024-06-27

Electromagnetic wave guidance and beam reshaping structure

#10
20240213645
2024-06-27

BROADBAND TRANSITION STRUCTURE WITH MIXED CONTACT AND NON-CONTACT PROTRUSIONS

#11
20240213642
2024-06-27

APPARATUS AND SYSTEM FOR SPLITTING AND COMBINING SIGNALS IN THE FREQUENCY DOMAIN

#12
20240186720
2024-06-06

ROTATED RIDGE WAVEGUIDE ANTENNA

#13
20240183226
2024-06-06

Multi-piece corrugated waveguide

#14
20240063548
2024-02-22

Antenna apparatus

#15
20230387047
2023-11-30

SEMICONDUCTOR MODULE

#16
20230335878
2023-10-19

Compact High Power Radio Frequency Polarizer Group

#17
20230307814
2023-09-28

PCB tuning for waveguide antennae

#18
20230216192
2023-07-06

HONEYCOMB CAVITY WAVEGUIDE

#19
20230207498
2023-06-29

High dielectric constant carrier based packaging with enhanced WG matching for 5G and 6G applications

#20
20230170596
2023-06-01

Radar waveguide and choke assembly

#21
20230160262
2023-05-25

Multi-piece corrugated waveguide

#22
20230011894
2023-01-12

PRINTED CIRCUIT BOARD INCLUDING A SUBSTRATE INTEGRATED WAVEGUIDE HAVING CHANNELS FORMED BY VERTICALLY OVERLAPPING CYLINDRICAL CAVITIES

#23
20230009684
2023-01-12

Ridged waveguide arrangement containing a first ridge waveguide overlapping a second waveguide to produce a capacitive coupling there between

#24
20230008455
2023-01-12

MULTI-PIECE CORRUGATED WAVEGUIDE

#25
20220359967
2022-11-10

Multi-layer filter, arrangement, and method for production thereof

#26
20220352616
2022-11-03

Folded waveguide for antenna

#27
20220352615
2022-11-03

Waveguide filter comprising a waveguide cavity defined by plural sidewalls and plural ridges, where any given ridge is attached to a corresponding sidewall

#28
20220352614
2022-11-03

Waveguide filter comprising a waveguide cavity defined by plural sidewalls and formed by a metal additive manufacturing technique having a specified overhang angle

#29
20220216580
2022-07-07

WAVEGUIDE JUNCTION FOR SPLITTING AND/OR COMBINING RADIO FREQUENCY ENERGY AND METHOD FOR MANUFACTURE

#30
20220200121
2022-06-23

Folded waveguide for antenna

#31
20220190456
2022-06-16

Hollow metal waveguides having irregular hexagonal cross sections with specified interior angles

#32
20220166119
2022-05-26

Ridge gap waveguide crossover structure including intersecting transmission lines with impedance transformers disposed between upper and bottom planar metal plates and having a gap therein

#33
20220123477
2022-04-21

Device comprising a transition between a waveguide port and two or more coaxial waveguides

#34
20220120175
2022-04-21

PIPE CONNECTION INCLUDING AN EXPANDABLE ELASTOMER SLEEVE IN CONTACT WITH AN INTERNAL PROTECTIVE COATING

#35
20220109246
2022-04-07

Antenna array based on one or more metamaterial structures

#36
20220029259
2022-01-27

High-frequency module

#37
20210384602
2021-12-09

Metamaterial loudspeaker diaphragm

#38
20210305667
2021-09-30

High frequency filter and phased array antenna comprising such a high frequency filter

#39
20210280955
2021-09-09

2-bit phase quantization waveguide

#40
20210202821
2021-07-01

Qubit hardware for electrons on helium

#41
20210185799
2021-06-17

Electromagnetic band gap structure apparatus

#42
20210175593
2021-06-10

Waveguide section and array antenna arrangement with filtering properties

#43
20210028529
2021-01-28

Transitional waveguide structures and related sensor assemblies

#44
20210028528
2021-01-28

Meandering waveguide ridges and related sensor assemblies

#45
20210005947
2021-01-07

RIDGE GAP WAVEGUIDE SWITCHES AND RECONFIGURABLE POWER SPLITTERS

#46
20200395649
2020-12-17

Waveguides including at least one ridge associated with at least one dielectric core and the waveguides are surrounded by a conductive shell

#47
20200381794
2020-12-03

Polarization separation circuit

#48
20200368975
2020-11-26

Near-field microwave heating system and method

#49
20200335842
2020-10-22

Broadband polarizing screen with one or more radiofrequency polarizing cells

#50
20200313063
2020-10-01

Qubit hardware for electrons on helium

#51
20200303823
2020-09-24

Antenna device and array antenna device

#52
20200277853
2020-09-03

Electromagnetic surface wave communication in a pipe

#53
20200251831
2020-08-06

SLOT ARRAY ANTENNA

#54
20200212594
2020-07-02

ANTENNA DEVICE

#55
20200194862
2020-06-18

WAVEGUIDE DEVICE, ANTENNA DEVICE, AND COMMUNICATION DEVICE

#56
20200194861
2020-06-18

Radiofrequency RF rotating joint for rotary RF wave-guiding device and rotary RF device including such a joint

#57
20200194860
2020-06-18

Hollow metal waveguides having irregular hexagonal cross-sections formed by additive manufacturing

#58
20200194855
2020-06-18

Irregular hexagon cross-sectioned hollow metal waveguide filters

#59
20200185829
2020-06-11

Guided-wave broadband mechanical phase-shifting device

#60
20200176886
2020-06-04

SLOT ARRAY ANTENNA

#61
20200176885
2020-06-04

WAVEGUIDE DEVICE, AND ANTENNA DEVICE INCLUDING THE WAVEGUIDE DEVICE

#62
20200176884
2020-06-04

Waveguide device and antenna array

#63
20200161738
2020-05-21

Method of additive manufacture of a waveguide as well as waveguide devices manufactured according to this method

#64
20200136225
2020-04-30

Radar assembly with a slot transition through a printed circuit board

#65
20200119423
2020-04-16

CONNECTION STRUCTURE BETWEEN WAVEGUIDE AND COAXIAL CABLE

#66
20200112077
2020-04-09

WAVEGUIDE DEVICE AND ANTENNA DEVICE

#67
20200106151
2020-04-02

Manufacturing method of a radio-frequency member

#68
20200091576
2020-03-19

Guiding set of radio-electric waves and antenna comprising such a set

#69
20200076395
2020-03-05

Waveguide device, and antenna device including the waveguide device

#70
20200076038
2020-03-05

WAVEGUIDE DEVICE, AND ANTENNA DEVICE INCLUDING THE WAVEGUIDE DEVICE

#71
20200067200
2020-02-27

Method of producing a horn antenna array and antenna array

#72
20200067164
2020-02-27

Higher signal isolation solutions for printed circuit board mounted antenna and waveguide interface

#73
20200052361
2020-02-13

Method of producing a radio frequency member

#74
20200052358
2020-02-13

Power sensor standard

#75
20200044360
2020-02-06

Slot antenna device

#76
20200014107
2020-01-09

Ultra-wideband CTS flat-plate array antenna

#77
20190393611
2019-12-26

Helically corrugated horn antenna and helically corrugated waveguide system

#78
20190393577
2019-12-26

Arrayed waveguide-to-parallel-plate twist transition with higher-order mode optimization

#79
20190348740
2019-11-14

Transmission line-waveguide transition device comprising a waveguide having a ridge connected to the transmission line at a reduced width ground transition area

#80
20190288366
2019-09-19

WAVEGUIDE DEVICE MODULE AND MICROWAVE MODULE

#81
20190260137
2019-08-22

Array antenna apparatus and method for manufacturing array antenna apparatus

#82
20190214699
2019-07-11

Higher signal isolation solutions for printed circuit board mounted antenna and waveguide interface

#83
20190207290
2019-07-04

Waveguide comprising an extruded dielectric waveguide core that is coextruded with an outer conductive layer

#84
20190190113
2019-06-20

Passive RF device including first and second core parts configured to be joined at mounting faces to each other by using an alignment pin and glue

#85
20190181532
2019-06-13

Methods and apparatus for bidirectional exchange of electromagnetic waves

#86
20190173189
2019-06-06

Double-ridged waveguide horn antenna

#87
20190157735
2019-05-23

Waveguide to strip line transducer including a waveguide wall forming substrate having an end surface bonded to a second conductor, and a power feed circuit formed therefrom

#88
20190140344
2019-05-09

WAVEGUIDE DEVICE MODULE AND MICROWAVE MODULE

#89
20190139914
2019-05-09

Microwave IC waveguide device module

#90
20190131682
2019-05-02

Galvanic signal path isolation in an encapsulated package using a photonic structure

#91
20190120046
2019-04-25

Electromagnetic surface wave communication in a pipe

#92
20190109361
2019-04-11

WAVEGUIDING DEVICE

#93
20190089035
2019-03-21

Ridge waveguide and array antenna apparatus

#94
20190089029
2019-03-21

Rotary joint for a rotary antenna and rotary antenna comprising such a joint

#95
20190074569
2019-03-07

Directional coupler

#96
20190067830
2019-02-28

Slot waveguide with structural modulation

#97
20190058260
2019-02-21

Antenna array

#98
20190057945
2019-02-21

Transition arrangement comprising a contactless transition or connection between an SIW and a waveguide or an antenna

#99
20190036230
2019-01-31

Waveguide device and antenna array

#100
20190035592
2019-01-31

Slow waveguide for travelling wave tube

#101
20190020120
2019-01-17

Method of producing a horn antenna array and antenna array

#102
20190013589
2019-01-10

METHOD OF PRODUCING WAVEGUIDE DEVICE

#103
20190006743
2019-01-03

WAVEGUIDE DEVICE MODULE, MICROWAVE MODULE, RADAR DEVICE, AND RADAR SYSTEM

#104
20190006727
2019-01-03

Pluggable receiver splitter for two-transmitter two-receiver microwave digital radios

#105
20180375219
2018-12-27

Waveguide device, and antenna device including the waveguide device

#106
20180366801
2018-12-20

Waveguide device with sidewall features

#107
20180337016
2018-11-22

Slow wave circuit and traveling wave tube

#108
20180331410
2018-11-15

Expanded waveguide including multilateral pillars forming multiple channels therein

#109
20180301820
2018-10-18

WAVEGUIDE ELEMENTS, FABRICATION TECHNIQUES AND ARRANGEMENTS THEREOF

#110
20180301819
2018-10-18

Slot array antenna

#111
20180301782
2018-10-18

Dielectric waveguide comprising a dielectric core surrounded by a dielectric cladding having a plurality of ribs that support the core within a conductive shield

#112
20180277919
2018-09-27

Ridge waveguide to a partial H-plane waveguide transition

#113
20180269557
2018-09-20

Waveguides and transmission lines in gaps between parallel conducting surfaces

#114
20180257308
2018-09-13

Near-field microwave heating system and method

#115
20180170411
2018-06-21

Data transmission device, conductor rail and conductor rail system

#116
20180026378
2018-01-25

Microwave or millimeter wave RF part realized by die-forming

#117
20170229781
2017-08-10

TEM line to double-ridged waveguide launcher

#118
20170229752
2017-08-10

Waveguide device, and antenna device including the waveguide device

#119
20170222294
2017-08-03

Waveguide type power combining/dividing unit

#120
20170194708
2017-07-06

Apparatus to create uniform electric-field and magnetic-field distribution as metamaterial zeroth-order resonance in waveguide and cavity and leaky-wave waveguide antenna for high directivity radiation

#121
20170141478
2017-05-18

Waveguide device with sidewall features

#122
20170093008
2017-03-30

Coaxial diplexer and signal coupling device

#123
20170084971
2017-03-23

Waveguides and transmission lines in gaps between parallel conducting surfaces

#124
20170077609
2017-03-16

Microwave antenna applicator

#125
20170077576
2017-03-16

Waveguide

#126
20170025726
2017-01-26

Waveguide bend formed in a metal block and coupled to a board unit to form a wireless device

#127
20160320223
2016-11-03

Streamlined probe for guided wave radar measurement

#128
20160285147
2016-09-29

Twist for connecting orthogonal waveguides in a single housing structure

#129
20160254582
2016-09-01

Ridge loaded waveguide combiner/divider

#130
20150318598
2015-11-05

Folded corrugated substrate integrated waveguide

#131
20150256139
2015-09-10

Traveling wave tube loaded by a material having negative permittivity and positive permeability

#132
20150028967
2015-01-29

Twist for connecting orthogonal waveguides in a single housing structure

#133
20140253379
2014-09-11

Mode generator device for a satellite antenna system and method for producing the same

#134
20140145894
2014-05-29

CORRUGATED COMPONENTS FOR MILLIMETER, SUBMILLIMETER AND TERAHERTZ ELECTROMAGNETIC WAVES MADE BY STACKED RINGS

#135
20130271235
2013-10-17

Coaxial waveguide converter and ridge waveguide

#136
20130183902
2013-07-18

Contactless connector

#137
20130020939
2013-01-24

Atmospheric plasma equipment and waveguide for the same

#138
20120243823
2012-09-27

Gap-mode waveguide

#139
20120092091
2012-04-19

Radio frequency (RF) microwave components and subsystems using loaded ridge waveguide

#140
20120081003
2012-04-05

Terahertz interaction structure including a folded waveguide with a ridge structure and having an electron beam tunnel passing through the ridge structure

#141
20110234339
2011-09-29

Waveguide distortion mitigation devices with reduced group delay ripple

#142
20110187614
2011-08-04

High-frequency waveguide and phase shifter using same, radiator, electronic device which uses this phase shifter and radiator, antenna device, and electronic device equipped with same

#143
20110181373
2011-07-28

Waveguides and transmission lines in gaps between parallel conducting surfaces

#144
20110074528
2011-03-31

RF circuit substrate comprised of guide portions made of photocurable layers and including a protruding surface features

#145
20100052822
2010-03-04

Waveguide, antenna and vehicular radar apparatus

#146
20100026423
2010-02-04

Waveguide comprised of two waveguide members assembled by using a positioning pin and a positioning hole in the two members

#147
20100001809
2010-01-07

Electromagnetic wave transmission medium comprising a flexible circular tube with a solid circle shaped ridge disposed therein

#148
20090261925
2009-10-22

Slow wave structure having offset projections comprised of a metal-dielectric composite stack

#149
20090237184
2009-09-24

Filter with crosses

#150
20090160721
2009-06-25

Hollow dielectric pipe polyrod antenna

#151
20080218293
2008-09-11

High Frequency Electromagnetic Wave Receiver and Broadband Waveguide Mixer

#152
20070262835
2007-11-15

Polarization-preserving waveguide filter and transformer

#153
20070236312
2007-10-11

Subwavelength waveguide and delay line with fractal cross sections

#154
20060006966
2006-01-12

Electronically tunable ridged waveguide cavity filter and method of manufacture therefore

#155
20050184835
2005-08-25

Microwave waveguide

#156
20050128028
2005-06-16

Waveguide and slotted antenna array with moveable rows of spaced posts

#157
17554675
2022-06-28

Broadband applicator for thermoacoustic signal generation

#158
17518782
2025-12-30

Longitudinally ridged quad polarizer feed

#159
17494286
2024-01-23

Longitudinally ridged septum orthomode transducer polarizer

#160
17035567
2022-06-28

Hybrid-harmonic waveguide filter including corrugations coupled by ridge interconnects and having sloped transformer sections

#161
16228438
2020-03-31

Substrate-less waveguide active circuit module with current mode power combining

#162
16228365
2020-05-05

Substrate-less waveguide active circuit module

#163
15460169
2019-08-27

Apertured waveguides for electromagnetic wave transmission