Filings by year

C11D 17/044: granted patents and published applications per publication year
YearGranted patentsPublished applications
197830
197920
198000
198100
198200
198310
198400
198520
198600
198700
198800
198950
199000
199120
199250
199330
199440
199510
199610
199700
199810
199920
200020
200181
2002511
200346
200488
200518
200655
200732
200839
200956
201026
201102
201225
201338
201426
2015519
2016821
2017923
2018524
20191116
20201625
20211423
20221218
20231824
20241725
20252235
20261317

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

Recent patents

Most cited

By later US patents