Filings by year

F16K 3/205: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197910
198000
198100
198200
198300
198400
198510
198610
198700
198800
198910
199010
199100
199200
199300
199420
199510
199620
199700
199800
199900
200000
200100
200202
200320
200402
200512
200610
200701
200800
200910
201000
201100
201200
201311
201410
201510
201603
201731
201800
201913
202032
202120
202210
202300
202401
202510

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents