Filings by year

F17C 2227/041: granted patents and published applications per publication year
YearGranted patentsPublished applications
198020
198100
198210
198300
198410
198500
198600
198700
198810
198920
199000
199130
199200
199310
199410
199510
199600
199700
199820
199920
200000
200121
200233
200342
200431
200512
200654
200712
200814
200907
201034
201111
201205
201323
201423
201518
201657
2017610
201829
2019105
2020105
202168
202244
2023611
202467
202536
202672

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