Filings by year

Y10S 131/00: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
1977110
197890
197960
198090
1981120
198290
1983130
198480
1985150
1986200
1987140
198890
1989130
1990190
1991130
1992130
1993100
1994130
199540
199690
199740
199820
199910
2000130
200162
200285
200326
200455
200523
200664
200712
200823
200911
201040
201150
201211
201300
201410

By publication year. Applications have been published since 2001.

Subgroups

Granted patents
All 12 subgroups

Recent patents

Most cited

By later US patents