Filings by year

C04B 2235/5436: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197720
197870
197980
198050
198180
198210
198360
198410
198540
198680
198730
198860
198990
1990150
1991120
1992140
1993220
1994200
1995170
1996220
1997260
1998150
1999340
2000220
2001328
20022540
20034483
200449110
200553129
200668144
200778139
200874156
200991229
2010119232
2011145193
2012130224
2013169199
2014174185
2015152176
2016150168
2017149163
2018151198
2019149212
2020136195
2021143214
2022137195
2023140216
2024128214
2025154145
2026110102

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

Recent patents

Most cited

By later US patents