D04C 3/16

For horizontal spools

Official title: for horizontal spools

D04C3/16 (For horizontal spools) appears on 27 US grants and 13 published applications in this corpus.

Search patents in D04C
Granted patents
27
Published applications
13
Assignees
16
Inventors
49
Latest grant
31 Mar 2026

Filings by year

D04C 3/16: granted patents and published applications per publication year
YearGranted patentsPublished applications
198210
198300
198400
198500
198610
198710
198810
198900
199020
199100
199220
199300
199420
199500
199600
199700
199800
199900
200000
200100
200210
200300
200400
200501
200610
200700
200810
200900
201001
201110
201200
201311
201400
201510
201600
201700
201811
201911
202000
202112
202212
202321
202422
202521
202610

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.