Filings by year

F02P 3/0838: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197720
197860
197920
198000
198110
198210
198320
198420
198500
198610
198730
198830
198910
199020
199120
199240
199340
199410
199540
199600
199710
199810
199910
200020
200110
200243
200344
200432
200511
200622
200711
200814
200932
201022
201100
201221
201314
201410
201534
201612
201735
201821
201943
202040
202113
202210
202310
202421

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents