F21S 43/33

Characterised by their material, surface treatment or coatings

Official title: characterised by their material, surface treatment or coatings

F21S43/33 (Characterised by their material, surface treatment or coatings) appears on 202 US grants and 249 published applications in this corpus.

Search patents in F21S
Granted patents
202
Published applications
249
Assignees
96
Inventors
531
Latest grant
18 Aug 2026

Filings by year

F21S 43/33: granted patents and published applications per publication year
YearGranted patentsPublished applications
198810
198900
199000
199110
199200
199300
199410
199500
199600
199700
199810
199900
200000
200122
200211
200322
200402
200522
200631
200701
200801
200903
201011
201102
201236
201317
2014413
2015816
2016914
20171542
20182014
20193116
20201816
2021117
20221217
2023814
20241818
20252017
2026914

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

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