G03B 27/52

Details

G03B27/52 (Details) appears on 3,390 US grants and 1,131 published applications in this corpus.

Search patents in G03B
Granted patents
3,390
Published applications
1,131
Assignees
552
Inventors
4,556
Latest grant
2 Sep 2025

Filings by year

G03B 27/52: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976780
19771030
19781180
1979760
19801020
1981890
19821010
19831050
19841400
1985850
19861050
19871260
19881030
19891120
19901500
19911390
1992870
1993730
1994680
1995500
1996600
1997700
1998780
1999810
2000700
20015420
20025257
20034142
20045168
20055198
20066368
20075576
200851103
200946123
201048143
20116187
20128136
20138439
20147432
20155221
20163615
20172219
20182528
20192217
20201815
20211210
202242
202365
202464
202563

By publication year. Applications have been published since 2001.

Subgroups

Granted patents
All 10 subgroups