Filings by year

C04B 2235/3291: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198100
198210
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199410
199500
199600
199700
199820
199910
200000
200110
200212
200338
200427
200535
2006710
2007613
2008711
20091211
201058
201186
201284
201347
201413
2015510
201648
2017109
201845
201943
2020512
202166
202266
2023610
202465
202557
202615

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

Recent patents

Most cited

By later US patents