Filings by year

B27N 3/146: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197910
198000
198110
198200
198300
198400
198520
198600
198720
198800
198900
199040
199110
199200
199310
199400
199510
199600
199700
199820
199910
200000
200101
200211
200301
200431
200510
200600
200710
200800
200900
201000
201100
201200
201300
201401
201500
201610
201700
201801
201900
202012
202101
202200
202300
202400
202501

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents