Filings by year

G03B 7/09971: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197770
1978110
1979130
198030
198170
198290
198380
1984270
198580
198650
198760
198880
198970
1990140
199180
199240
199390
199480
199560
1996110
199750
199840
199930
200050
200123
200221
200331
200410
200500
200600
200701
200801
200901
201010
201120
201201
201300
201401
201501
201621
201700
201810
201901
202000
202111
202210

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents