Inventor · disambiguated record
James Graham Campbell
Also filed as: CAMPBELL JAMES G · CAMPBELL JAMES GRAHAM
2 granted patents·2 pending applications·75 citations·filing 1981–2015
67Inventor score
Top patents by PatentIndex Score
4 records- 0180US4320568AMethod of expanding tubular membersNORTHERN ENG IND·Filed 1981·Granted Mar 23, 1982·49 cites·7 claims
- 0264US6964081B1Soft floor scrubberCLEMENT DAVID E·Filed 2003·Granted Nov 15, 2005·26 cites·1 claims
- 0326US2014299344A1Ripper shoe for a plough vehicleMurphy Pipe & Civil IP Pty Ltd·Filed 2013·Application pending·0 cites
- 0418US2016288217A1Pipe boring apparatus and associated methodMurphy Pipe & Civil IP Pty Ltd·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →