F21S 41/63

By acting on refractors, filters or transparent cover plates

Official title: by acting on refractors, filters or transparent cover plates

F21S41/63 (By acting on refractors, filters or transparent cover plates) appears on 527 US grants and 557 published applications in this corpus.

Search patents in F21S
Granted patents
527
Published applications
557
Assignees
179
Inventors
941
Latest grant
6 Oct 2026

Filings by year

F21S 41/63: granted patents and published applications per publication year
YearGranted patentsPublished applications
198210
198320
198410
198500
198600
198710
198820
198950
199000
199140
199240
199340
199410
199520
199620
199720
199820
199910
200020
200122
200246
2003511
200445
200543
200636
200736
200827
200945
201024
2011414
2012611
2013612
20141322
20151330
20162231
20172336
20184052
20195569
20208054
20214630
20223335
20233531
20243636
20252230
2026249

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

Subgroups

Granted patents