Filings by year

B31F 1/0061: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198000
198110
198210
198300
198420
198510
198610
198710
198800
198930
199000
199120
199200
199310
199400
199500
199600
199700
199820
199900
200000
200100
200200
200300
200400
200500
200600
200700
200800
200900
201000
201100
201201
201300
201400
201511
201602
201700
201801

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents