Patents-Review.com
ClassID:

213985 ⎘

H01P1/2082 - CPC Classification

Classification description:

Auxiliary devices; Frequency-selective devices, e.g. filters; Hollow waveguide filters; Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with multimode resonators

Recent Application in this class:
#1
20240275013
2024-08-15

MULTI-MODE WAVEGUIDE AND WAVEGUIDE DEVICE

 #2
20240213641
2024-06-27

MULTI-MODE CAVITY FILTER AND CAVITY FILTERING DEVICE

 #3
20220271407
2022-08-25

DUAL-MODE FILTER WITH ADJUSTABLE CROSS IRIS

 #4
20220223990
2022-07-14

Substrate-integrated waveguide filtering crossover having a dual mode rectangular cavity coupled to eight single mode square cavities

 #5
20220045412
2022-02-10

Polarized waveguide filter and antenna feeding circuit

 #6
20200373644
2020-11-26

Waveguide band-pass filter

 #7
20200194865
2020-06-18

Multi-mode resonator

 #8
20200194864
2020-06-18

Multimode resonator

 #9
20190280362
2019-09-12

Multi-mode resonator

 #10
20190252748
2019-08-15

Multimode microwave filter

 #11
20190058235
2019-02-21

Multimode resonator

 #12
20190051965
2019-02-14

Multi-mode resonator

 #13
20190013558
2019-01-10

Polarization standing wave cavity assisted by anisotropic structures

 #14
20180269555
2018-09-20

Waveguide filter including coupling window for generating negative coupling

 #15
20180233795
2018-08-16

Millimeter wave filter fine-tuning structure

 #16
20180212295
2018-07-26

Hybrid TM-TE-TM triple-mode ceramic air cavity filter

 #17
20180151932
2018-05-31

Triple mode sphere radio frequency filters

 #18
20180149683
2018-05-31

Measurement structures for measurements such as frequency and quality factors of resonators and other devices, and apparatus comprising the same

 #19
20180145386
2018-05-24

Dual mode cavity filter and system comprising such filter

 #20
20180138571
2018-05-17

Tunable low-pass filter using dual mode

 #21
20180131063
2018-05-10

Multi-band bandpass filter

 #22
20170279180
2017-09-28

Multimode resonator

 #23
20170279179
2017-09-28

Multi-mode resonator

 #24
20170113259
2017-04-27

Method of manufacturing pure niobium plate end-group components for superconducting high frequency accelerator cavity

 #25
20160006105
2016-01-07

Multi-mode cavity filter and excitation device therefor

 #26
20150042419
2015-02-12

Multi-band pass filter

 #27
20140232487
2014-08-21

Multi-mode resonator/filter comprised of first and second columnar central conductors disposed within a cylindrical exterior conductor

 #28
20140118095
2014-05-01

Multi-mode filter

 #29
20140111289
2014-04-24

Microwave filter having an adjustable bandwidth

 #30
20140015626
2014-01-16

Millimeter waveband filter and method of increasing rejection band attenuation

 #31
20130049902
2013-02-28

Multi-mode filter

 #32
20120068792
2012-03-22

Dual mode cavity filter assembly operating in a TE22N mode

 #33
20100156568
2010-06-24

Microwave filter based on a novel combination of single-mode and dual-mode cavities

 #34
20090256651
2009-10-15

Triple-mode cavity filter having a metallic resonator

 #35
20090002100
2009-01-01

System and method for tuning multicavity filters

 #36
20070005308
2007-01-04

Realization method of self-equalized multiple passband filter

 #37
20050128031
2005-06-16

Hybrid triple-mode ceramic/metallic coaxial filter assembly