Filings by year

F01C 1/44: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976120
197720
197830
197920
198020
198110
198210
198320
198410
198530
198600
198710
198800
198920
199000
199100
199210
199310
199420
199500
199620
199720
199830
199900
200040
200131
200224
200354
200451
200510
200612
200712
200802
200913
201023
201127
201223
201332
201454
201524
201654
201721
201830
201923
202014
202123
202244
202322
202420
202512
202601

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