Inventor · disambiguated record
Ronald D. Ormsby
Also filed as: ORMSBY RONALD D
4 granted patents·224 citations·filing 1979–1994
82Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0181US4296822AMultipurpose fluid flow assisted downhole toolOMEGA TOOLS INTERNATIONAL·Filed 1979·Granted Oct 27, 1981·63 cites·21 claims
- 0280US5330016ADrill bit and other downhole tools having electro-negative surfaces and sacrificial anodes to reduce mud ballingBAROLD TECHNOLOGY INC·Filed 1993·Granted Jul 19, 1994·85 cites·59 claims
- 0371US5351765ACoring assembly and methodBAROID TECHNOLOGY INC·Filed 1993·Granted Oct 4, 1994·59 cites·22 claims
- 0443US5509490AEMF sacrificial anode sub and method to deter bit ballingBAROID TECHNOLOGY INC·Filed 1994·Granted Apr 23, 1996·17 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →