Filings by year

C21D 8/0263: granted patents and published applications per publication year
YearGranted patentsPublished applications
197740
197830
197910
198000
198110
198210
198330
198420
198530
198620
198700
198830
198910
199020
199120
199200
199300
199420
199540
199600
199720
199850
199950
200010
200122
2002616
20031310
2004813
200548
200646
200704
200828
2009520
2010627
20111919
20121123
2013659
201416114
201534115
201632119
201791123
201884115
2019105142
202089123
202197118
2022120189
202388215
2024102228
2025166180
2026134174

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

Recent patents

Most cited

By later US patents