G01R 31/66

Testing of connections

Official title: Testing of connections, e.g. of plugs or non-disconnectable joints (testing for incorrect line connections G01R31/55)

G01R31/66 (Testing of connections) appears on 1,607 US grants and 1,588 published applications in this corpus.

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Granted patents
1,607
Published applications
1,588
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876
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3,730
Latest grant
29 Sep 2026

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G01R 31/66: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
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197840
197970
198060
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198340
198460
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198670
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1989120
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20012612
20023327
20032626
20043036
20052836
20063139
20073632
20082438
20092540
20103235
20112737
20122764
20133879
20145082
201559100
20166990
20179668
20188173
20197396
2020100100
20218495
20229380
20236880
20246966
202572107
20264250

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