Filings by year

C23C 22/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198100
198210
198310
198400
198500
198610
198720
198840
198900
199010
199120
199210
199370
199430
199510
199630
199750
199830
199930
200030
200170
200255
20031110
200458
200514
200603
200732
200817
200904
201032
201138
201213
201332
201425
201524
201632
201734
2018310
201948
202023
2021410
2022712
202334
202499
202568
202674

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