Inventor · disambiguated record
Darrell P. Salisbury
Also filed as: SALISBURY DARRELL P
8 granted patents·254 citations·filing 1984–1997
90Inventor score
Top patents by PatentIndex Score
8 records- 0184US4575428AInvert emulsion drilling fluid comprising oligamide compositionMILCHEM INC·Filed 1984·Granted Mar 11, 1986·47 cites·16 claims
- 0272US5676763AProcess for cleaning pipe dope and other solids from well systemsWELL FLOW TECHN INC·Filed 1995·Granted Oct 14, 1997·66 cites·9 claims
- 0371US5678631AProcess for removing solids from a well drilling systemWELL FLOW TECHN INC·Filed 1995·Granted Oct 21, 1997·31 cites·51 claims
- 0471US4663076AInvert emulsion drilling fluid comprising oligamide compositionMILCHEM INC·Filed 1985·Granted May 5, 1987·24 cites·8 claims
- 0567US5570742ATubular cleaning toolWELL FLOW TECHN INC·Filed 1995·Granted Nov 5, 1996·48 cites·41 claims
- 0657US4735732AFiltration control additive for invert emulsion drilling fluids and method of preparationMILCHEM INC·Filed 1985·Granted Apr 5, 1988·14 cites·1 claims
- 0748US4728444AFiltration control additive for invert emulsion drilling fluids and method of preparationMILCHEM INC·Filed 1986·Granted Mar 1, 1988·12 cites·1 claims
- 0845US5773390AChemical additive for removing solids from a well drilling systemWELL FLOW TECHN INC·Filed 1997·Granted Jun 30, 1998·12 cites·20 claims
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