Inventor · disambiguated record
John Hoptroff
Also filed as: HOPTROFF JOHN
3 granted patents·25 citations·filing 1997–2006
68Inventor score
Files withROLLS ROYCE PLC3
Top patents by PatentIndex Score
3 records- 0159US7625171B2Cooling system for a gas turbine engineROLLS ROYCE PLC·Filed 2006·Granted Dec 1, 2009·7 cites·21 claims
- 0238US7287961B2Retaining arrangementROLLS ROYCE PLC·Filed 2004·Granted Oct 30, 2007·5 cites·13 claims
- 0333US5888049AGas turbine engine rotor disc with cooling fluid passageROLLS ROYCE PLC·Filed 1997·Granted Mar 30, 1999·13 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →