Filings by year

B21D 28/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197900
198000
198100
198200
198300
198410
198500
198600
198700
198810
198920
199000
199110
199210
199300
199400
199500
199600
199700
199800
199900
200000
200120
200200
200300
200400
200502
200620
200700
200811
200900
201000
201100
201200
201300
201400
201500
201601
201700
201800
201910
202000
202102
202200
202310
202400
202521

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents