G21B 1/21

Electric power supply systems

Official title: Electric power supply systems, e.g. for magnet systems, switching devices, storage devices, circuit arrangements {(methods or means for discharging superconducting storage windings H01F6/003)}

G21B1/21 (Electric power supply systems) appears on 37 US grants and 96 published applications in this corpus.

Search patents in G21B
Granted patents
37
Published applications
96
Assignees
35
Inventors
170
Latest grant
6 Oct 2026

Filings by year

G21B 1/21: granted patents and published applications per publication year
YearGranted patentsPublished applications
199110
199210
199300
199400
199500
199600
199710
199800
199900
200010
200100
200200
200301
200401
200500
200610
200701
200801
200900
201010
201100
201200
201301
201400
201500
201601
201706
201828
201937
202059
202124
202228
202333
202437
202548
2026730

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

Recent patents

Most cited

By later US patents