Filings by year

C01B 2203/1217: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198020
198100
198200
198300
198400
198520
198610
198720
198850
198920
199000
199120
199200
199310
199420
199500
199660
199770
199870
199960
2000110
20011614
20021640
20033053
20042845
20052144
20063051
20073060
20081962
20093457
20105568
20114941
20125229
20133527
20142620
20152421
20161626
20172123
20182016
20192321
20201117
20211613
2022921
20231624
20241418
20251417
2026515

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents