G01R 1/20

Modifications of basic electric elements for use in electric measuring instruments

Official title: Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments

G01R1/20 (Modifications of basic electric elements for use in electric measuring instruments) appears on 1,331 US grants and 1,323 published applications in this corpus.

Search patents in G01R
Granted patents
1,331
Published applications
1,323
Assignees
668
Inventors
2,654
Latest grant
29 Sep 2026

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G01R 1/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197750
197860
197930
198030
198160
198260
198370
198470
198550
198650
198780
1988110
1989170
199090
1991120
199270
199360
199460
1995200
1996180
199760
1998160
1999120
2000110
200182
200266
20031317
2004149
20051518
20061618
20071523
20081724
20091635
20101832
20112343
20123951
20133056
20144282
20156299
20168766
20177861
20185678
20198490
20208480
20218181
20228270
20237086
20245776
20256758
20263762

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