Filings by year

Y10S 435/921: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976230
1977230
197860
1979110
198040
1981100
198250
1983100
198470
198540
198620
198740
198840
198980
1990100
199170
1992150
1993150
199490
1995170
199680
1997110
1998160
1999130
200050
200180
200258
200341
200411
200531
200632
200700
200810
200920

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents