Inventor · disambiguated record
Christopher Freeman
Also filed as: FREEMAN CHRISTOPHER · FREEMAN CHRISTOPHER D
21 granted patents·4 pending applications·860 citations·filing 1976–2023
97Inventor score
Files withROLLS ROYCE PLC14FREEMAN CHRISTOPHER4BAKER HUGHES HOLDINGS LLC2ROLLS ROYCE2FREEMAN CHRISTOPHER D1
Top patents by PatentIndex Score
25 records- 0196US7165744B2Turbine engine arrangementsROLLS ROYCE PLC·Filed 2005·Granted Jan 23, 2007·53 cites·11 claims
- 0296US4086022AGas turbine engine with improved compressor casing for permitting higher air flow and pressure ratios before surgeROLLS ROYCE·Filed 1976·Granted Apr 25, 1978·109 cites·2 claims
- 0395US6009701ADucted fan gas turbine engine having a frangible connectionROLLS ROYCE PLC·Filed 1997·Granted Jan 4, 2000·73 cites·9 claims
- 0494US6701717B2Cycle gas turbine engineROLLS ROYCE PLC·Filed 2002·Granted Mar 9, 2004·74 cites·9 claims
- 0593US5340271AFlow control method and meansROLLS ROYCE PLC·Filed 1991·Granted Aug 23, 1994·82 cites·33 claims
- 0689US6959550B2Combustion chamberROLLS ROYCE PLC·Filed 2003·Granted Nov 1, 2005·64 cites·32 claims
- 0789US4531362AAerodynamic damping of vibrations in rotor bladesROLLS ROYCE·Filed 1985·Granted Jul 30, 1985·67 cites·11 claims
- 0888US6722847B2Fan for a turbofan gas turbine engineROLLS ROYCE PLC·Filed 2002·Granted Apr 20, 2004·40 cites·16 claims
- 0986US8596955B2Impulse turbine for use in bi-directional flowsFREEMAN CHRISTOPHER·Filed 2007·Granted Dec 3, 2013·29 cites·25 claims
- 1085US7200999B2Arrangement for bleeding the boundary layer from an aircraft engineROLLS ROYCE PLC·Filed 2004·Granted Apr 10, 2007·41 cites·18 claims
- 1185US6532742B2Combustion chamberROLLS ROYCE PLC·Filed 2001·Granted Mar 18, 2003·47 cites·14 claims
- 1282US5275528AFlow control method and meansROLLS ROYCE PLC·Filed 1990·Granted Jan 4, 1994·50 cites·18 claims
- 1379US9765753B2Impulse turbine for use in bi-directional flowsFREEMAN CHRISTOPHER·Filed 2013·Granted Sep 19, 2017·6 cites·3 claims
- 1479US8282341B2Rotor arrangementFREEMAN CHRISTOPHER·Filed 2010·Granted Oct 9, 2012·7 cites·14 claims
- 1578US6698206B2Combustion chamberROLLS ROYCE PLC·Filed 2002·Granted Mar 2, 2004·36 cites·10 claims
- 1675US6524074B2Gas turbine engine bladeROLLS ROYCE PLC·Filed 2001·Granted Feb 25, 2003·32 cites·17 claims
- 1771US6732527B2Combustion chamberROLLS ROYCE PLC·Filed 2002·Granted May 11, 2004·32 cites·20 claims
- 1868US11604293B2Boron trifluoride as a quench gas for neutron proportional countersBAKER HUGHES HOLDINGS LLC·Filed 2021·Granted Mar 14, 2023·0 cites·18 claims
- 1962US2009100725A1Cover for Temporary License Plate and System for Printing Temporary License PlatesFREEMAN CHRISTOPHER D·Filed 2008·Application pending·0 cites
- 2056US11201041B2Gas electron multiplier board photomultiplierBAKER HUGHES HOLDINGS LLC·Filed 2021·Granted Dec 14, 2021·0 cites·20 claims
- 2153US2011254271A1Tidal Turbine SystemFREEMAN CHRISTOPHER·Filed 2009·Application pending·0 cites
- 2251US2024117690A1Drilling return flowline continuous agitation flocculant metering dispenserFREEMAN PUMP SOLUTIONS INC·Filed 2023·Application pending·0 cites
- 2347US4671738ARotor or stator blades for an axial flow compressorROLLS ROYCE PLC·Filed 1985·Granted Jun 9, 1987·13 cites·4 claims
- 2445US7364118B2Propulsion arrangementROLLS ROYCE PLC·Filed 2004·Granted Apr 29, 2008·5 cites·27 claims
- 2538US2001004515A1Combustion chamberFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →