Patents-Review.com
ClassID:

214003 ⎘

H01P1/222 - CPC Classification

Classification description:

Auxiliary devices; Attenuating devices Waveguide attenuators

Recent Application in this class:
#1
20260088482
2026-03-26

TUNABLE WAVEGUIDE ATTENUATOR AND MEASUREMENT SETUP

 #2
20240364017
2024-10-31

WAVEGUIDE TERMINATION ARRANGEMENTS FOR ARRAY ANTENNAS

 #3
20240204386
2024-06-20

Reduced Kapitza resistance microwave filter for cryogenic environments

 #4
20230208000
2023-06-29

ATTENUATION APPARATUS AND TEST SYSTEM

 #5
20230198115
2023-06-22

Reduced kapitza resistance microwave filter for cryogenic environments

 #6
20230145220
2023-05-11

ELECTROMAGNETIC WAVE ATTENUATOR AND ELECTRONIC DEVICE

 #7
20220407200
2022-12-22

Waveguide based submillimmeter-wave and terahertz variable attenuator

 #8
20220190457
2022-06-16

SUBSTRATE INTEGRATED WAVEGUIDE SIGNAL LEVEL CONTROL ELEMENT AND SIGNAL PROCESSING CIRCUITRY

 #9
20210111469
2021-04-15

Reduced Kapitza resistance microwave filter for cryogenic environments

 #10
20200386912
2020-12-10

Peel-and-adhere photonic crystal

 #11
20200368975
2020-11-26

Near-field microwave heating system and method

 #12
20200220243
2020-07-09

IN-PHASE SUPPRESSION CIRCUIT

 #13
20200106149
2020-04-02

Reduced kapitza resistance microwave filter for cryogenic environments

 #14
20200067167
2020-02-27

PCB integrated waveguide terminations and load

 #15
20190157732
2019-05-23

Method and apparatus for adjusting a field of a signal to mitigate interference

 #16
20180358708
2018-12-13

Amplitude Modulation of Electromagnetic Signals

 #17
20180323488
2018-11-08

PCB integrated waveguide terminations and load

 #18
20180257308
2018-09-13

Near-field microwave heating system and method

 #19
20180145387
2018-05-24

Switch for switchable attenuator and high frequency switchable attenuator

 #20
20180076499
2018-03-15

Method and apparatus for adjusting a field of a signal to mitigate interference

 #21
20170373366
2017-12-28

Divider and signal generation system using the same

 #22
20170179560
2017-06-22

Terminator and termination method

 #23
20170018830
2017-01-19

Method and apparatus for adjusting a field of a signal to mitigate interference

 #24
20150340750
2015-11-26

Termination element for fill level measuring device and fill level measuring device

 #25
20150295300
2015-10-15

Dielectric waveguide comprised of a core surrounded by a cladding and forming integrated periodical structures

 #26
20150288046
2015-10-08

Systems and methods for improved ferrite circulator RF power handling

 #27
20150180102
2015-06-25

Compact amplitude and phase trimmer

 #28
20150002238
2015-01-01

Stacked diode limiter

 #29
20100079224
2010-04-01

Manually adjustable attenuator

 #30
20080224802
2008-09-18

Waveguide attenuator having coaxial probes

 #31
20050270121
2005-12-08

Tuneable phase shifter and/or attenuator using photoresponsive-material in a waveguide

 #32
20050162235
2005-07-28

Waveguide type signal terminator and signal attenuator

 #33
20050017819
2005-01-27

Variable fluidic waveguide attenuator

 #34
20050007209
2005-01-13

Transverse mode control in a transmission line

 #35
17965900
2025-07-01

Waveguide slide screw tuner and method

 #36
15615048
2019-01-08

Compact harmonic amplitude and phase controller

 #37
15610018
2019-04-30

Programmable harmonic amplitude and phase controller

 #38
15608238
2018-05-01

Programmable amplitude and phase controller

 #39
14818769
2018-07-24

PCB integrated waveguide terminations and load

 #40
14799177
2016-02-02

Wideband attenuation and phase controller