Filings by year

Y10S 451/00: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976160
1977100
197880
197970
198030
198180
198230
198320
198430
198510
198640
198710
198830
198970
199080
1991110
1992140
199350
199450
199580
1996100
1997170
1998140
1999210
2000160
20012510
20022414
20031519
20042919
20052618
20061712
20071416
20081210
2009117
201093
201164
201261
201301
201431
201520
201600
201700
201800
201900
202000
202100
202201
202310

By publication year. Applications have been published since 2001.

Subgroups

Granted patents
All 22 subgroups