G02B 23/04

For the purpose of beam splitting or combining

Official title: for the purpose of beam splitting or combining, e.g. fitted with eyepieces for more than one observer (G02B23/10 takes precedence)

G02B23/04 (For the purpose of beam splitting or combining) appears on 204 US grants and 229 published applications in this corpus.

Search patents in G02B
Granted patents
204
Published applications
229
Assignees
136
Inventors
405
Latest grant
1 Sep 2026

Filings by year

G02B 23/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197700
197810
197910
198020
198130
198210
198310
198410
198500
198600
198720
198800
198910
199010
199100
199210
199320
199400
199510
199620
199700
199810
199910
200010
200102
200212
200343
200432
2005613
200643
200702
200812
200934
201032
201107
201223
201376
201457
201554
2016410
2017612
20181116
20191819
20201714
20211513
20221013
20231017
20241630
20251713
20261110

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

Recent patents

Most cited

By later US patents