Inventor · disambiguated record
Lemuel T. York
Also filed as: YORK LEMUEL T
4 granted patents·321 citations·filing 2001–2013
81Inventor score
Files withCANRIG DRILLING TECH LTD3
Top patents by PatentIndex Score
4 records- 0196US6679333B2Top drive well casing system and methodCANRIG DRILLING TECH LTD·Filed 2001·Granted Jan 20, 2004·240 cites·20 claims
- 0286US6840493B2Valve actuatorFiled 2002·Granted Jan 11, 2005·35 cites·3 claims
- 0375US9500045B2Reciprocating and rotating section and methods in a drilling systemCANRIG DRILLING TECH LTD·Filed 2013·Granted Nov 22, 2016·6 cites·23 claims
- 0475US6920926B2Top drive well casing systemCANRIG DRILLING TECH LTD·Filed 2004·Granted Jul 26, 2005·40 cites·2 claims
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