B23B 39/20

Setting work or tool carrier along a circular index line

Official title: Setting work or tool carrier along a circular index line; Turret head drilling machines

B23B39/20 (Setting work or tool carrier along a circular index line) appears on 43 US grants and 16 published applications in this corpus.

Search patents in B23B
Granted patents
43
Published applications
16
Assignees
29
Inventors
82
Latest grant
18 Oct 2022

Filings by year

B23B 39/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197720
197810
197930
198030
198100
198210
198310
198400
198510
198620
198750
198810
198920
199010
199100
199220
199300
199400
199500
199600
199700
199800
199900
200000
200110
200211
200320
200400
200500
200600
200700
200800
200902
201011
201110
201201
201300
201400
201513
201611
201700
201833
201912
202011
202120
202210
202301

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents