Inventor · disambiguated record
Barry D. Calnan
Also filed as: CALNAN BARRY · CALNAN BARRY D
4 granted patents·1 pending application·93 citations·filing 2007–2020
78Inventor score
Top patents by PatentIndex Score
5 records- 0193US7832457B2Molds, downhole tools and methods of formingHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Nov 16, 2010·49 cites·46 claims
- 0292US7832456B2Molds and methods of forming molds associated with manufacture of rotary drill bits and other downhole toolsHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Nov 16, 2010·37 cites·46 claims
- 0357USD960215SShear pickWEAVER GARY E·Filed 2020·Granted Aug 9, 2022·2 cites·1 claims
- 0448US8393417B2Apparatus and methods to optimize fluid flow and performance of downhole drilling equipmentEARLES RONALD G·Filed 2008·Granted Mar 12, 2013·5 cites·18 claims
- 0533US2011203852A1Segmented Downhole ToolCALNAN BARRY D·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →