Inventor · disambiguated record
Douglas W. J. Nayler
Also filed as: NAYLER DOUGLAS W J
9 granted patents·252 citations·filing 1980–1986
90Inventor score
Files withNL INDUSTRIES INC9
Top patents by PatentIndex Score
9 records- 0180US4688764ACrown block compensatorNL INDUSTRIES INC·Filed 1985·Granted Aug 25, 1987·34 cites·26 claims
- 0279US4620692ACrown block compensatorNL INDUSTRIES INC·Filed 1984·Granted Nov 4, 1986·42 cites·22 claims
- 0372US4449854AMotion compensator systemNL INDUSTRIES INC·Filed 1981·Granted May 22, 1984·41 cites·9 claims
- 0470US4421173AMotion compensator with improved position indicatorNL INDUSTRIES INC·Filed 1981·Granted Dec 20, 1983·39 cites·13 claims
- 0566US4759256ATensioner recoil control apparatusNL INDUSTRIES INC·Filed 1986·Granted Jul 26, 1988·44 cites·31 claims
- 0658US4724866ASpeed control valveNL INDUSTRIES INC·Filed 1986·Granted Feb 16, 1988·19 cites·12 claims
- 0755US4411454AUnderwater wellhead connectorNL INDUSTRIES INC·Filed 1980·Granted Oct 25, 1983·21 cites·29 claims
- 0829US4466488APosition indicator for drill string compensatorNL INDUSTRIES INC·Filed 1981·Granted Aug 21, 1984·9 cites·22 claims
- 0921US4244628AGuide roller assemblyNL INDUSTRIES INC·Filed 1980·Granted Jan 13, 1981·3 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →