H01Q 19/18

Having two or more spaced reflecting surfaces

Official title: having two or more spaced reflecting surfaces (H01Q19/20 takes precedence)

H01Q19/18 (Having two or more spaced reflecting surfaces) appears on 862 US grants and 689 published applications in this corpus.

Search patents in H01Q
Granted patents
862
Published applications
689
Assignees
398
Inventors
1,590
Latest grant
25 Aug 2026

Filings by year

H01Q 19/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
197760
197830
197920
198090
1981120
198280
198320
1984110
1985110
198690
198760
198870
198950
199050
199130
199250
199330
199420
199540
199640
199730
199870
199990
2000160
2001342
20022011
20031723
20041914
20052018
20062017
2007117
20081312
2009712
2010715
2011713
20121017
20131116
20141930
20151644
20163742
20174836
20184051
20195956
20205852
20215035
20224556
20234837
20244231
20253324
20261318

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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By later US patents