Filings by year

F04B 27/0865: granted patents and published applications per publication year
YearGranted patentsPublished applications
198710
198810
198900
199000
199110
199200
199300
199400
199510
199600
199700
199800
199910
200000
200100
200200
200300
200400
200500
200600
200700
200800
200900
201001
201100
201200
201300
201401
201502
201600
201731
201800
201900
202012
202110
202201
202310
202410
202501
202610

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

Recent patents

Most cited

By later US patents