Patents-Review.com
ClassID:

213980 ⎘

H01P1/205 - CPC Classification

Classification description:

Auxiliary devices; Frequency-selective devices, e.g. filters; Filters for transverse electromagnetic waves Comb or interdigital filters; Cascaded coaxial cavities

Sub-classes:
Recent Application in this class:
#1
20260121271
2026-04-30

CAVITY FILTER

 #2
20260018772
2026-01-15

Frequency Adjustable Filter

 #3
20250253512
2025-08-07

mmWave Reconfigurable and Miniature On-Chip Filter Based on Vanadium Dioxide

 #4
20240097300
2024-03-21

MULTI-BAND FILTER

 #5
20240072403
2024-02-29

DIELECTRIC FILTER

 #6
20240039136
2024-02-01

FILTER DEVICE AND RADIO-FREQUENCY FRONT-END CIRCUIT EQUIPPED WITH THE SAME

 #7
20240021968
2024-01-18

CAVITY FILTER

 #8
20230420822
2023-12-28

Radio frequency resonator structure

 #9
20230420817
2023-12-28

CERAMIC DIELECTRIC BAND-PASS FILTER

 #10
20230291084
2023-09-14

Frequency Adjustable Filter

 #11
20220255206
2022-08-11

RADIO FREQUENCY FILTERS HAVING REDUCED SIZE

 #12
20220109219
2022-04-07

COAXIAL LOW-PASS FILTER

 #13
20220059914
2022-02-24

Filters having resonators with negative coupling

 #14
20210376435
2021-12-02

Frequency variable filter and coupling method

 #15
20210336315
2021-10-28

In-line filter having mutually compensating inductive and capactive coupling

 #16
20210013570
2021-01-14

DC-capable cryogenic microwave filter with reduced Kapitza resistance

 #17
20200303797
2020-09-24

Cavity filter

 #18
20200303796
2020-09-24

Tunable bandpass filter

 #19
20200243939
2020-07-30

In-line filter having mutually compensating inductive and capacitive coupling

 #20
20200194857
2020-06-18

Filters having resonators with negative coupling

 #21
20200099116
2020-03-26

DC-capable cryogenic microwave filter with reduced Kapitza resistance

 #22
20200083590
2020-03-12

Resonator

 #23
20200028065
2020-01-23

Architecture for coupling quantum bits using localized resonators

 #24
20190165440
2019-05-30

In-line filter having mutually compensating inductive and capacitive coupling

 #25
20190157731
2019-05-23

Band-pass filter and control method thereof

 #26
20190067771
2019-02-28

Coaxial filter

 #27
20180367121
2018-12-20

Band elimination filter and composite filter

 #28
20180226707
2018-08-09

Cavity filter

 #29
20180198185
2018-07-12

NONUNIFORM CORRUGATED DIAPHRAGM FOR MEMS TUNERS AND ACTUATORS

 #30
20180175471
2018-06-21

Filter structure improvement

 #31
20180152191
2018-05-31

Filters including loop circuits for phase cancellation

 #32
20180131064
2018-05-10

Tuning and measurement fixtures for ceramic filters

 #33
20180115033
2018-04-26

Filter circuit and frequency switching method

 #34
20180102752
2018-04-12

High-frequency filter and high-frequency module

 #35
20170272047
2017-09-21

Electronic component

 #36
20170263992
2017-09-14

Coaxial filter having a frame construction and a conductive separating web, where internal resonators can be galvanically connected to either the frame construction or the separating web

 #37
20170237142
2017-08-17

Rod-switched tunable filter

 #38
20170207509
2017-07-20

Cavity filter including ceramic resonator

 #39
20170141755
2017-05-18

MEMS device with large out-of-plane actuation and low-resistance interconnect and methods of use

 #40
20170141754
2017-05-18

Widely tunable cavity filter using low voltage, large out-of-plane actuation MEMS

 #41
20170062692
2017-03-02

Architecture for coupling quantum bits using localized resonators

 #42
20160336922
2016-11-17

Nonuniform corrugated diaphragm for MEMS tuners and actuators

 #43
20160315368
2016-10-27

Resonator, filter, duplexer, multiplexer, and communications device

 #44
20160301122
2016-10-13

Cavity filter using cross-coupling

 #45
20160294029
2016-10-06

Narrow-band filter having first and second resonators of different orders with resonant frequencies equal to a center frequency

 #46
20160247604
2016-08-25

Cable structure

 #47
20160233566
2016-08-11

Multi-layer digital elliptic filter and method

 #48
20160190669
2016-06-30

Intermodulation distortion reduction system using insulated tuning elements

 #49
20160036115
2016-02-04

Resonator structure for a cavity filter arrangement

 #50
20150288043
2015-10-08

Tunable high frequency filter

 #51
20150280298
2015-10-01

Tunable band-pass filter

 #52
20150180450
2015-06-25

Antenna duplexer

 #53
20150061793
2015-03-05

Filtering apparatus

 #54
20150035623
2015-02-05

Variable high frequency filter device and assembly

 #55
20140375399
2014-12-25

Narrow band-pass filter with primary and secondary sets of resonators having out-of-band resonant frequencies that are different from each other

 #56
20140347148
2014-11-27

Method of operation and construction of filters and multiplexers using multi-conductor multi-dielectric combline resonators

 #57
20140327500
2014-11-06

Filter and resonator

 #58
20140327499
2014-11-06

Radio frequency filter having a hollow box with a wrinkle structure and including a resonance element disposed therein which is short-circuited to the box by a pin

 #59
20140285288
2014-09-25

Filter

 #60
20140210572
2014-07-31

Multi-layer digital elliptic filter and method

 #61
20140104016
2014-04-17

Bracket for RF monoblock filter and filter-PCB assembly incorporating the same

 #62
20140104015
2014-04-17

Spherical filter

 #63
20140077899
2014-03-20

BAND-PASS FILTER

 #64
20130229244
2013-09-05

System and method for providing an interchangeable dielectric filter within a waveguide

 #65
20130162374
2013-06-27

Tunable bandpass filter

 #66
20120313732
2012-12-13

Cavity filter with high flatness feedback

 #67
20120200374
2012-08-09

High-order harmonic device of cavity filter

 #68
20120188026
2012-07-26

Antenna duplexer

 #69
20110281733
2011-11-17

Narrow band-pass filter having resonators grouped into primary and secondary sets of different order

 #70
20110121919
2011-05-26

FILTER DEVICE AND METHOD FOR MANUFACTURING THE SAME

 #71
20110121918
2011-05-26

FILTER DEVICE AND METHOD FOR MANUFACTURING THE SAME

 #72
20110119902
2011-05-26

FILTER DEVICE AND METHOD FOR MANUFACTURING THE SAME

 #73
20110025433
2011-02-03

Inline cross-coupled coaxial cavity filter

 #74
20100271153
2010-10-28

Fixation arrangement for resonator of cavity filter

 #75
20100188171
2010-07-29

Inductive coupling in transverse electromagnetic mode

 #76
20100097162
2010-04-22

Angled metallic ridge for coupling combline and ceramic resonators

 #77
20100060387
2010-03-11

Resonator system for an RF power amplifier output circuit

 #78
20100045406
2010-02-25

RF FILTER MODULE

 #79
20100007446
2010-01-14

Filter device and method for manufacturing the same

 #80
20090315461
2009-12-24

Lamp

 #81
20090295504
2009-12-03

Antenna-filter module

 #82
20090153271
2009-06-18

Variable radio frequency band filter

 #83
20090085693
2009-04-02

Filter

 #84
20080309434
2008-12-18

Ceramic monoblock filter with metallization pattern providing increased power load handling

 #85
20080204165
2008-08-28

Delay filter module

 #86
20080007371
2008-01-10

High frequency filter

 #87
20070279145
2007-12-06

Passive part

 #88
20070247262
2007-10-25

Variable radio frequency band filter

 #89
20070024398
2007-02-01

Electronic device and filter

 #90
20060176130
2006-08-10

High Q cavity resonators for microelectronics

 #91
20060103494
2006-05-18

Electronically tunable comb-ring type RF filter

 #92
20050164888
2005-07-28

Systems and methods for signal filtering

 #93
20050116795
2005-06-02

Microwave ceramic filter with improved coupling and method for the production

 #94
20050113258
2005-05-26

Superconductive filter module, superconductive filter assembly and heat insulating type coaxial cable

 #95
20050040916
2005-02-24

Variable radio frequency band filter

 #96
13553952
2015-09-01

Tunable bandpass filter integrated circuit