D21F 1/009

Fibre-rearranging devices

Official title: {Fibre-rearranging devices}

D21F1/009 (Fibre-rearranging devices) appears on 50 US grants and 45 published applications in this corpus.

Search patents in D21F
Granted patents
50
Published applications
45
Assignees
18
Inventors
51
Latest grant
23 Dec 2025

Filings by year

D21F 1/009: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198100
198200
198310
198400
198500
198600
198720
198800
198920
199010
199110
199220
199300
199410
199500
199610
199700
199800
199900
200000
200100
200200
200302
200411
200501
200601
200700
200801
200900
201000
201101
201210
201300
201401
201510
201625
201713
201836
201965
202044
202152
202221
202366
202422
202543

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents