Filings by year

C02F 1/46109: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976220
1977240
1978280
1979160
1980210
1981230
1982170
1983110
1984100
1985120
1986100
1987120
1988110
1989160
199080
1991240
199270
1993150
1994160
1995290
1996180
1997270
1998340
1999450
2000380
2001497
20023137
20034274
20043762
20053352
20061850
20072956
20082971
20091982
20103877
201139124
20126283
20136588
20145587
201558114
20164299
20175290
201869111
201988111
202084156
202180143
202299150
2023101135
2024100122
202594125
20264992

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