A61F 2002/30922

Hardened surfaces

Official title: {Hardened surfaces}

A61F2002/30922 (Hardened surfaces) appears on 173 US grants and 164 published applications in this corpus.

Search patents in A61F
Granted patents
173
Published applications
164
Assignees
69
Inventors
283
Latest grant
25 Aug 2026

Filings by year

A61F 2002/30922: granted patents and published applications per publication year
YearGranted patentsPublished applications
198810
198900
199010
199100
199220
199320
199450
199550
199680
199770
199860
199950
200030
200140
200283
200377
2004514
2005114
200636
200737
2008415
200938
201068
2011108
20121316
201365
201478
201586
201676
201762
201823
201941
202046
202120
202257
202303
202433
202525
202653

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