Filings by year

C04B 2237/366: granted patents and published applications per publication year
YearGranted patentsPublished applications
197920
198000
198100
198200
198300
198400
198520
198610
198730
198830
198980
199020
1991110
1992120
199330
199440
199590
1996100
199750
199890
1999190
2000150
2001225
20021924
20031514
20041018
200579
200668
2007810
2008516
2009414
20101220
2011710
20121018
20131427
20141430
20152231
20162730
20172239
20182023
20192535
20202742
20212240
20222542
20233146
20244130
20253230
20262018

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

Recent patents

Most cited

By later US patents