G01R 31/27

Testing of devices without physical removal from the circuit of which they

Official title: Testing of devices without physical removal from the circuit of which they form part, e.g. compensating for effects surrounding elements {(testing printed circuit boards G01R31/2801)}

G01R31/27 (Testing of devices without physical removal from the circuit of which they) appears on 407 US grants and 392 published applications in this corpus.

Search patents in G01R
Granted patents
407
Published applications
392
Assignees
214
Inventors
839
Latest grant
15 Sep 2026

Filings by year

G01R 31/27: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198110
198200
198300
198400
198510
198600
198700
198800
198930
199030
199120
199220
199300
199420
199540
199630
199770
199830
199950
200020
2001132
20021311
2003613
2004149
20051515
20061512
20071013
20081413
2009117
201067
2011109
201254
2013615
2014912
2015129
2016125
20171018
2018911
20191820
20201525
20212321
20221321
20231921
20242556
20254223
20262320

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents