Y10T 137/7854

In couplings for coaxial conduits

Official title: In couplings for coaxial conduits, e.g., drill pipe check valves

Y10T137/7854 (In couplings for coaxial conduits) appears on 314 US grants and 141 published applications in this corpus.

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Granted patents
314
Published applications
141
Assignees
183
Inventors
422
Latest grant
14 Jul 2026

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Y10T 137/7854: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
197740
197850
197930
198030
198190
198220
198350
198470
198560
198690
1987100
198860
1989190
199070
199190
1992100
199370
199490
199570
199660
1997100
199850
199960
200090
200140
200253
200339
200429
2005911
2006611
200792
200847
200968
2010610
2011610
2012510
201352
20141110
2015109
2016116
201754
201861
201933
202022
202134
202283
202322
202411
202522
202612

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

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