Inventor · disambiguated record
Terry D. Timmerman
Also filed as: TIMMERMAN TERRY · TIMMERMAN TERRY D
3 granted patents·79 citations·filing 1981–1988
72Inventor score
Top patents by PatentIndex Score
3 records- 0174US4842062AHydraulic lock alleviation device, well cementing stage tool, and related methodsWEATHERFORD US INC·Filed 1988·Granted Jun 27, 1989·52 cites·28 claims
- 0255US4442736APower pipe tong rotary plunger inserterWEATHERFORD LAMB·Filed 1982·Granted Apr 17, 1984·23 cites·9 claims
- 0325US4437646ADischarge valve for concrete pumping apparatusFORMS CONST·Filed 1981·Granted Mar 20, 1984·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →