Inventor · disambiguated record
James A. Mactavish
Also filed as: MACTAVISH JAMES · MACTAVISH JAMES A · MACTAVISH JAMES A C
4 granted patents·64 citations·filing 1976–2015
75Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0193USD262856SInsulated jugIGLOO CORP·Filed 1979·Granted Feb 2, 1982·53 cites·1 claims
- 0276US9909390B2Stage tool with lower tubing isolationWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Mar 6, 2018·4 cites·15 claims
- 0364US9874070B2Tension-set tieback packerWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Jan 23, 2018·2 cites·40 claims
- 0452USD249465SPlastic drumIGLOO CORP·Filed 1976·Granted Sep 19, 1978·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →