Filings by year

C02F 1/042: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976100
197730
197810
197910
198010
198150
198220
198300
198430
198530
198620
198710
198810
198920
199030
199110
199220
199320
199410
199540
199600
199700
199830
199910
200020
200100
200201
200301
200411
200525
200632
200705
200813
200913
201013
201120
201215
201321
2014611
2015313
2016613
201775
2018710
2019148
2020123
202199
2022511
202347
202465
202562
202625

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

Recent patents

Most cited

By later US patents