G09B 23/22

For optics

Official title: for optics

G09B23/22 (For optics) appears on 46 US grants and 43 published applications in this corpus.

Search patents in G09B
Granted patents
46
Published applications
43
Assignees
45
Inventors
111
Latest grant
23 Dec 2025

Filings by year

G09B 23/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197800
197900
198010
198100
198200
198300
198410
198500
198600
198710
198800
198900
199010
199130
199220
199300
199420
199500
199600
199700
199800
199910
200000
200100
200223
200300
200421
200521
200601
200701
200802
200910
201010
201121
201211
201303
201420
201503
201602
201721
201812
201946
202041
202111
202203
202312
202423
202541
202604

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

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By later US patents