H01M 4/0442

Anodisation, oxidation

Official title: {Anodisation, Oxidation (electrolytic coating by anodisation C25D9/00)}

H01M4/0442 (Anodisation, oxidation) appears on 67 US grants and 75 published applications in this corpus.

Search patents in H01M
Granted patents
67
Published applications
75
Assignees
68
Inventors
223
Latest grant
12 Aug 2025

Filings by year

H01M 4/0442: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197800
197900
198000
198100
198200
198300
198400
198500
198600
198720
198800
198900
199020
199100
199200
199300
199400
199500
199600
199700
199810
199900
200050
200130
200201
200303
200441
200503
200600
200701
200800
200911
201002
201101
201201
201334
201415
201531
201637
201722
201823
201956
2020610
202148
202254
202365
202413
202562
202601

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

Recent patents

Most cited

By later US patents