Filings by year

B01J 2219/32203: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
197720
197830
197930
198060
1981100
198260
198340
198460
1985120
198680
1987120
198890
198950
1990100
1991100
1992170
1993150
1994110
1995210
1996150
1997170
1998130
1999180
2000100
2001259
20021823
20032219
20041119
2005915
20061018
2007813
20081220
2009177
2010712
2011916
20121212
2013619
20141629
20151420
20161715
2017209
20181411
2019925
20201417
20211818
20221614
20231418
20241011
20251014
202687

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

Subgroups

Granted patents
All 9 subgroups

Recent patents

Most cited

By later US patents