Inventor · disambiguated record
David R. Arrowsmith
Also filed as: ARROWSMITH DAVID R
9 granted patents·96 citations·filing 1977–2011
87Inventor score
Top patents by PatentIndex Score
9 records- 0189US4561531AHydraulic slave cylinder with latch means for use with clutch release bearingAUTOMOTIVE PRODUCTS PLC·Filed 1982·Granted Dec 31, 1985·34 cites·5 claims
- 0283US8080592B2Extruded polymer foams containing brominated fatty acid-based flame retardant additivesKRUPER JR WILLIAM J·Filed 2008·Granted Dec 20, 2011·4 cites·17 claims
- 0375US8324288B2Extruded polymer foams containing brominated fatty acid-based flame retardant additivesKRUPER JR WILLIAM J·Filed 2011·Granted Dec 4, 2012·1 cites·7 claims
- 0474US4177888AFriction clutch plate with two concentric hubs for dampingAUTOMOTIVE PROD CO LTD·Filed 1977·Granted Dec 11, 1979·19 cites·18 claims
- 0568US4229058AClutch release bearing assemblyAUTOMOTIVE PROD CO LTD·Filed 1978·Granted Oct 21, 1980·17 cites·9 claims
- 0649US5188204APre-filled power hydraulic systemAUTOMOTIVE PRODUCTS PLC·Filed 1989·Granted Feb 23, 1993·9 cites·9 claims
- 0740US4327951AClutch release bearing assemblyAUTOMOTIVE PROD CO LTD·Filed 1980·Granted May 4, 1982·7 cites·2 claims
- 0838US9493624B2Polymer foam with low bromine contentGORDON-DUFFY JOHN·Filed 2010·Granted Nov 15, 2016·0 cites·15 claims
- 0938US4378676ABooster for a hydraulic clutch systemAUTOMOTIVE PROD CO LTD·Filed 1980·Granted Apr 5, 1983·5 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →