Filings by year

F04B 1/295: granted patents and published applications per publication year
YearGranted patentsPublished applications
197920
198000
198100
198200
198300
198410
198500
198600
198700
198810
198910
199000
199110
199200
199300
199400
199500
199600
199700
199820
199910
200010
200140
200221
200313
200420
200535
200622
200721
200810
200900
201004
201103
201211
201323
201405
2015615
2016511
2017911
201878
201976
2020515
20211014
20221511
2023156
20241214
20251111
202676

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

Recent patents

Most cited

By later US patents