Filings by year

B07B 4/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198000
198110
198200
198310
198400
198500
198610
198700
198800
198920
199010
199110
199200
199330
199400
199510
199610
199710
199800
199900
200000
200120
200221
200321
200404
200534
200621
200730
200812
200911
201010
201125
201220
201311
201404
201552
201610
201712
201811
201912
202013
202111
202222
202314
202430
202501

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents