Filings by year

F04B 1/26: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197760
197870
197980
198030
198150
198220
198350
1984100
198580
198640
198780
198840
198980
1990100
199190
199270
199380
199420
199510
199630
199720
199840
199990
2000120
2001152
20021813
20032013
20041614
20051722
20062019
20071212
2008179
2009812
2010927
2011712
20121212
20131422
20141134
20152742
20162429
20172734
20182833
20193125
20203247
20214028
20223131
20233022
20243333
20252727
20262112

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents