F21S 41/19

Attachment of light sources or lamp holders

Official title: Attachment of light sources or lamp holders (achieving variable light distribution by movable light sources F21S41/657)

F21S41/19 (Attachment of light sources or lamp holders) appears on 1,448 US grants and 1,358 published applications in this corpus.

Search patents in F21S
Granted patents
1,448
Published applications
1,358
Assignees
344
Inventors
2,491
Latest grant
6 Oct 2026

Filings by year

F21S 41/19: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197720
197810
197900
198020
198150
198290
198350
198490
1985100
1986110
1987110
1988130
1989190
1990110
1991100
1992170
199370
199430
1995100
199680
1997180
1998130
1999120
2000150
2001116
20021522
20032116
20041518
20051220
20061523
20071518
2008920
20091915
20101830
20111227
20121843
20132351
20144066
20155571
20164578
201776109
2018104139
2019153119
202011479
20218474
20227678
20238478
20247980
20257942
20263436

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents