Filings by year

C11D 3/3917: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976150
197750
197890
197940
198090
198120
198200
198340
198430
198530
198600
198730
198820
198930
199080
199160
1992110
199330
199470
1995130
1996190
1997150
1998200
1999290
2000240
2001216
2002199
2003109
2004815
2005414
200689
200768
2008610
200979
201028
2011517
201257
201357
201486
201548
2016510
2017520
201849
2019614
2020610
2021713
2022811
202389
20241010
2025511
202667

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