Inventor · disambiguated record
James E. Stangroom
Also filed as: STANGROOM JAMES E · STANGROOM JAMES EDWARD
17 granted patents·382 citations·filing 1975–1997
95Inventor score
Top patents by PatentIndex Score
17 records- 0197US4444298AViscous shear clutchSECR DEFENCE BRIT·Filed 1981·Granted Apr 24, 1984·69 cites·9 claims
- 0289US4033892AElectric field responsive fluidsSECR DEFENCE BRIT·Filed 1975·Granted Jul 5, 1977·32 cites·21 claims
- 0387US5626768ASterilization of opaque liquids with ultraviolet radiationTRITON THALASSIC TECHNOLOGIES·Filed 1995·Granted May 6, 1997·67 cites·7 claims
- 0487US4129513AElectric field responsive fluidsSECR DEFENCE BRIT·Filed 1977·Granted Dec 12, 1978·41 cites·12 claims
- 0584US5516235AMethod and apparatus of raising objects from the sea bedCONTROLLED LIFTING INT·Filed 1995·Granted May 14, 1996·41 cites·24 claims
- 0681US4502973AElectroviscous fluidsNAT RES DEV·Filed 1982·Granted Mar 5, 1985·15 cites·14 claims
- 0775US4664236AElectrically controlled, progressive, frictional, torque transmitting deviceER FLUID DEV·Filed 1985·Granted May 12, 1987·21 cites·12 claims
- 0872US4812251AElectro-rheological fluids/electric field responsive fluidsER FLUID DEV·Filed 1988·Granted Mar 14, 1989·21 cites·19 claims
- 0972US4532853AFluid-powered actuatorsSECR DEFENCE BRIT·Filed 1980·Granted Aug 6, 1985·18 cites·9 claims
- 1053US5409354AVariable displacement pumpER FLUID DEV·Filed 1994·Granted Apr 25, 1995·15 cites·8 claims
- 1150US4342334AHydraulic servo valveSECR DEFENCE BRIT·Filed 1980·Granted Aug 3, 1982·11 cites·5 claims
- 1248US4483788AElectric field responsive fluidsNAT RES DEV·Filed 1983·Granted Nov 20, 1984·11 cites·10 claims
- 1342US4493615AElectro-rheological transducerNAT RES DEV·Filed 1983·Granted Jan 15, 1985·7 cites·5 claims
- 1436US6272852B1High speed actuators and vibrators based on electro-rheological fluidsER FLUID DEV·Filed 1997·Granted Aug 14, 2001·4 cites·6 claims
- 1532US5356269AVariable displacement pumpER FLUID DEV·Filed 1993·Granted Oct 18, 1994·4 cites·4 claims
- 1624US5106522AFluid compositionsNAT RES DEV·Filed 1990·Granted Apr 21, 1992·0 cites·42 claims
- 1723US5826533ATwin-hulled boatSILKY LTD·Filed 1995·Granted Oct 27, 1998·5 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →