Inventor · disambiguated record
Randolph L. Stuart
Also filed as: STUART RANDOLPH · STUART RANDOLPH L · STUART RANDOLPH LEWIS
8 granted patents·1 pending application·252 citations·filing 1994–2018
87Inventor score
Technology areasE21B
Files withECKEL MFG CO8
Top patents by PatentIndex Score
9 records- 0184US5746276AMethod of rotating a tubular memberECKEL MFG CO·Filed 1996·Granted May 5, 1998·106 cites·17 claims
- 0268US5778742AHydraulic backup tongECKEL MFG CO·Filed 1997·Granted Jul 14, 1998·58 cites·20 claims
- 0365US6966385B2Tong positioning system and methodECKEL MFG CO·Filed 2003·Granted Nov 22, 2005·38 cites·39 claims
- 0451US5566769ATubular rotation tool for snubbing operationsECKEL MFG CO·Filed 1994·Granted Oct 22, 1996·22 cites·19 claims
- 0546US6058811APower tong with improved door mechanismECKEL MFG CO·Filed 1999·Granted May 9, 2000·24 cites·20 claims
- 0639US6938520B1Backup tong with swing armsECKEL MFG CO·Filed 2004·Granted Sep 6, 2005·4 cites·20 claims
- 0736US11448018B2Power tong frame stiffnerECKEL MFG CO·Filed 2018·Granted Sep 20, 2022·0 cites·10 claims
- 0836US11255141B2Power tong with vertically pivoting doorECKEL MFG CO·Filed 2016·Granted Feb 22, 2022·0 cites·6 claims
- 0931US2003177870A1High torque power tongFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →