Filings by year

B07B 1/56: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198100
198200
198300
198400
198500
198600
198700
198800
198900
199000
199110
199200
199310
199400
199500
199600
199700
199800
199900
200010
200110
200211
200311
200410
200500
200600
200701
200801
200910
201002
201100
201220
201302
201400
201501
201622
201720
201801
201910

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents