G02B 27/0081

Optical systems or apparatus not provided for by any of the groups

Official title: {with means for altering, e.g. enlarging, the entrance or exit pupil}

G02B27/0081 (Optical systems or apparatus not provided for by any of the groups) appears on 1,495 US grants and 2,001 published applications in this corpus.

Search patents in G02B
Granted patents
1,495
Published applications
2,001
Assignees
380
Inventors
2,082
Latest grant
6 Oct 2026

Filings by year

G02B 27/0081: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198100
198200
198310
198400
198500
198600
198710
198810
198900
199020
199120
199200
199300
199420
199500
199600
199720
199830
199930
200030
200103
200211
200357
2004811
2005710
2006812
2007711
2008713
20091222
20101931
20111212
20121510
20131614
20141717
20151119
20162153
20174791
201877105
201992130
2020134193
2021142196
2022161192
2023187279
2024166220
2025192221
2026110128

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