Inventor · disambiguated record
Andrew J. Langley
Also filed as: LANGLEY ANDREW · LANGLEY ANDREW J · LANGLEY ANDREW JOHN
9 granted patents·469 citations·filing 1991–2004
91Inventor score
Top patents by PatentIndex Score
9 records- 0197US5481615AAudio reproduction systemNOISE CANCELLATION TECH·Filed 1993·Granted Jan 2, 1996·196 cites·20 claims
- 0290US5600106AActively sound reduced muffler having a venturi effect configurationNOISE CANCELLATION TECH·Filed 1996·Granted Feb 4, 1997·69 cites·5 claims
- 0378US5550334AActively sound reduced muffler having a venturi effect configurationNOISE CANCELLATION TECH·Filed 1991·Granted Aug 27, 1996·42 cites·4 claims
- 0475US5621656AAdaptive resonator vibration control systemNOISE CANCELLATION TECH·Filed 1992·Granted Apr 15, 1997·46 cites·14 claims
- 0575US5568557AActive vibration control system for aircraftNOISE CANCELLATION TECH·Filed 1994·Granted Oct 22, 1996·46 cites·13 claims
- 0671US5652799ANoise reducing systemNOISE CANCELLATION TECH·Filed 1996·Granted Jul 29, 1997·40 cites·21 claims
- 0755US5431008AActive control of machine performanceNOISE CANCELLATION TECH·Filed 1991·Granted Jul 11, 1995·22 cites·14 claims
- 0851US7548819B2Signal measurement and processing method and apparatusULTRA ELECTRONICS LTD·Filed 2004·Granted Jun 16, 2009·7 cites·75 claims
- 0923US6568800B1Ink reservoir for ink-jet printerLANGLEY ANDREW·Filed 1997·Granted May 27, 2003·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →