Filings by year

F04B 43/06: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976180
1977130
197880
197920
198060
198150
198260
1983190
1984140
1985140
1986130
1987120
198870
198990
199030
1991130
1992140
1993190
1994150
199590
1996220
1997150
1998170
1999160
2000270
2001236
20022919
20032420
20041424
20052131
20061022
2007822
20081532
20091330
20101227
20111734
20122723
20132332
20142542
20152850
20162232
20173737
20183025
20193250
20203537
20212046
20223739
20234247
20244445
20253436
20262928

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

Subgroups

Granted patents