G02B 6/4447

With divided shells

Official title: {with divided shells (G02B6/4448 takes precedence)}

G02B6/4447 (With divided shells) appears on 173 US grants and 130 published applications in this corpus.

Search patents in G02B
Granted patents
173
Published applications
130
Assignees
92
Inventors
349
Latest grant
26 May 2026

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G02B 6/4447: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197910
198020
198100
198200
198310
198430
198520
198630
198740
198830
198920
199030
199120
199250
199330
199440
199530
199610
199760
1998120
199970
200020
200190
200224
200312
200451
200500
200612
200701
200801
200914
201023
201133
201224
201306
201467
201543
201667
201775
201867
20191011
202056
202156
2022813
202338
202468
2025108
2026110

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

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