Filings by year

F04B 7/0015: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198010
198110
198200
198300
198400
198500
198600
198700
198800
198900
199000
199110
199200
199300
199400
199500
199620
199750
199830
199960
200010
200110
200201
200300
200410
200501
200600
200701
200800
200910
201000
201102
201202
201303
201401
201532
201611
201712
201831
201903
202021
202123
202231
202301
202410
202510
202610

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

Recent patents

Most cited

By later US patents