Inventor · disambiguated record
Trevor J. Holroyd
Also filed as: HOLROYD TREVOR J · HOLROYD TREVOR JAMES
15 granted patents·1 pending application·295 citations·filing 1984–2014
94Inventor score
Top patents by PatentIndex Score
16 records- 0191US5015995AFluid level monitorSTRESSWAVE TECH·Filed 1989·Granted May 14, 1991·67 cites·18 claims
- 0285US5115778AApparatus for controlling an internal combustion engineSTRESSWAVE TECH·Filed 1991·Granted May 26, 1992·28 cites·14 claims
- 0378US5452264AResonant acoustic emission transducerHOLROYD INSTR LTD·Filed 1994·Granted Sep 19, 1995·50 cites·9 claims
- 0470US5014547AApparatus for determining the surface roughness of a materialSTRESSWAVE TECH·Filed 1989·Granted May 14, 1991·29 cites·15 claims
- 0564US5176032AMethod and apparatus for processing electrical signals and a stress wave sensorSTRESSWAVE TECH·Filed 1992·Granted Jan 5, 1993·25 cites·37 claims
- 0657US5473315AEnhanced means of processing signals used to interpret the condition of machineryHOLROYD INSTR LTD·Filed 1994·Granted Dec 5, 1995·21 cites·19 claims
- 0756US4688429ADetermination of the spectral content of transient stress wave eventsROLLS ROYCE PLC·Filed 1986·Granted Aug 25, 1987·15 cites·6 claims
- 0854US5005415AMethod and apparatus for detecting variations in a process by processing emitted acoustic signalsSTRESSWAVE TECH·Filed 1989·Granted Apr 9, 1991·13 cites·19 claims
- 0954US4584879AComponent inspection by self generated transient stress wave detectionROLLS ROYCE·Filed 1984·Granted Apr 29, 1986·13 cites·6 claims
- 1047US10216691B2Sensor based means of monitoring the mechanical condition of rotating machinery that operates intermittentlyKITTIWAKE HOLROYD LTD·Filed 2014·Granted Feb 26, 2019·0 cites·17 claims
- 1147US9020778B2Sensor based means of monitoring the mechanical condition of rotating machinery that operates intermittentlyHOLROYD TREVOR JAMES·Filed 2011·Granted Apr 28, 2015·0 cites·14 claims
- 1242US5004985AMethod and apparatus for testing the response of a stress wave sensorSTRESSWAVE TECH·Filed 1990·Granted Apr 2, 1991·12 cites·14 claims
- 1340US2002140566A1Monitoring the condition or mechanical health of machinery.Filed 2002·Application pending·0 cites
- 1439US4819994AAnti lock braking system for vehicleROLLS ROYCE·Filed 1987·Granted Apr 11, 1989·7 cites·12 claims
- 1534US5261505ACollision detector for a vehicleROLLS ROYCE DSV LTD·Filed 1992·Granted Nov 16, 1993·12 cites·12 claims
- 1631US5016480AStress wave load cellSTRESSWAVE TECH·Filed 1990·Granted May 21, 1991·3 cites·13 claims
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