Filings by year

C09B 29/0809: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976100
1977200
1978100
197930
1980100
198180
198290
1983130
1984120
198560
198650
198700
198860
198950
199090
199150
199270
1993100
199470
199580
1996100
199750
199870
199950
200050
200140
200243
200364
200449
200523
200656
200735
200816
200934
2010610
2011810
201263
201375
201436
2015818
2016715
201784
201873
201942
202002
202111
202222
202312
202421
202520

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents