Inventor · disambiguated record
George G. Zipfel, Jr.
Also filed as: ZIPFEL GEORGE · ZIPFEL GEORGE G · ZIPFEL GEORGE GUSTAVE · ZIPFEL JR GEORGE G
16 granted patents·2 pending applications·487 citations·filing 1975–2021
94Inventor score
Files withGEN DYNAMICS ADVANCED TECHNOLO3AT & T CORP2BELL TELEPHONE LABOR INC2GEN DYNAMICS ADVANCED INF SYS2US NAVY2
Top patents by PatentIndex Score
18 records- 0195US10998487B1Linear magnetostrictive actuatorUS NAVY·Filed 2018·Granted May 4, 2021·13 cites·14 claims
- 0294US5596413ASub-micron through-the-lens positioning utilizing out of phase segmented gratingsLUCENT TECHNOLOGIES INC·Filed 1995·Granted Jan 21, 1997·142 cites·34 claims
- 0388US6644590B2Active system and method for vibration and noise reductionGEN DYNAMICS ADVANCED INF SYS·Filed 2001·Granted Nov 11, 2003·64 cites·31 claims
- 0485US6476534B1Permanent magnet phase-control motorGEN DYNAMICS ADVANCED TECHNOLO·Filed 2000·Granted Nov 5, 2002·42 cites·10 claims
- 0584US6354536B1Rotor hub mounted actuator for controlling a blade on a rotorcraftSIKORSKY AIRCRAFT CORP·Filed 2000·Granted Mar 12, 2002·53 cites·17 claims
- 0680US4407054AMethod of making electromechanical transducers using improved flexible composite piezoelectric materialBELL TELEPHONE LABOR INC·Filed 1980·Granted Oct 4, 1983·28 cites·12 claims
- 0777US5654540AHigh resolution remote position detection using segmented gratingsFiled 1995·Granted Aug 5, 1997·40 cites·29 claims
- 0874US5816122AApparatus and method for adaptive suppression of vibrations in mechanical systemsGEN DYNAMICS ADVANCED TECHNOLO·Filed 1996·Granted Oct 6, 1998·34 cites·36 claims
- 0969US7932777B1Switching amplifier for driving reactive loadsZIPFEL JR GEORGE GUSTAVE·Filed 2004·Granted Apr 26, 2011·22 cites·40 claims
- 1064US11430939B1Linear magnetostrictive actuatorUS NAVY·Filed 2021·Granted Aug 30, 2022·0 cites·18 claims
- 1157US4015159ASemiconductor integrated circuit transistor detector array for channel electron multiplierBELL TELEPHONE LABOR INC·Filed 1975·Granted Mar 29, 1977·10 cites·10 claims
- 1248US6651988B2Compact actuator with hydraulic sealGEN DYNAMICS ADVANCED INF SYS·Filed 2000·Granted Nov 25, 2003·11 cites·46 claims
- 1347US6409465B1Blade vibration control in turbo-machineryHOOD TECHNOLOGY CORP·Filed 2000·Granted Jun 25, 2002·9 cites·13 claims
- 1444US5949162AUnbalanced force generation in motorsGEN DYNAMICS ADVANCED TECHNOLO·Filed 1996·Granted Sep 7, 1999·13 cites·19 claims
- 1540US5493165AForce generator for electrostrictive actuatorsAT & T CORP·Filed 1994·Granted Feb 20, 1996·6 cites·4 claims
- 1638US2004140149A1Passive device for noise reductionFiled 2004·Application pending·0 cites
- 1736US2002094274A1Passive device for noise reductionFiled 2001·Application pending·0 cites
- 1827US5438627AReactance-mass actuatorAT & T CORP·Filed 1992·Granted Aug 1, 1995·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →