Filings by year

F16K 1/226: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976120
1977160
1978130
1979140
1980240
1981340
1982160
1983170
198490
1985170
1986130
1987140
198870
198980
1990100
1991100
199270
199390
199490
199570
199690
1997110
199860
1999120
2000110
200173
200267
200337
200486
2005616
2006712
20071115
2008710
20091014
2010315
2011718
20121018
20131031
20141922
20152228
20162128
20172133
20182035
20193930
20202430
20212828
20222324
20232318
20241725
2025187
202689

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

Subgroups

Granted patents