Filings by year

C11D 3/162: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
1977110
197800
197920
198020
198110
198210
198340
198470
198570
198640
198740
198830
198920
199030
199190
199240
199320
199420
1995110
199650
199730
1998210
1999110
200060
200193
2002818
20031317
20041119
20051320
2006159
200749
200856
2009411
201059
2011514
201245
2013123
2014217
2015921
2016712
20171110
20181314
2019712
2020129
202175
2022212
202333
202429
202543
202624

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

Recent patents

Most cited

By later US patents