Filings by year

F01B 3/0044: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
1977120
197850
197900
198000
198110
198200
198320
198430
198500
198620
198730
198830
198920
199030
199110
199220
199300
199400
199520
199610
199720
199830
199920
200030
200110
200211
200321
200444
200507
200622
200734
200843
200910
201042
201112
201221
201315
201434
2015314
201639
201795
2018125
2019116
202067
20211210
202278
202383
202456
202577
202632

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

Subgroups

Granted patents