H01Q 25/02

Providing sum and difference patterns

Official title: providing sum and difference patterns (H01Q25/04 takes precedence)

H01Q25/02 (Providing sum and difference patterns) appears on 304 US grants and 154 published applications in this corpus.

Search patents in H01Q
Granted patents
304
Published applications
154
Assignees
163
Inventors
610
Latest grant
11 Nov 2025

Filings by year

H01Q 25/02: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976110
197710
1978100
197940
198020
198140
198290
198350
198460
1985100
198660
198740
198840
198950
199070
199160
199220
199390
199450
199530
199650
199750
199860
199960
200030
200181
2002111
200326
200486
200556
200694
200715
200856
200956
201067
201168
201226
201387
201457
201594
201685
2017411
2018410
20191211
20201211
2021115
202278
202375
202451
202566
202601

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

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