Inventor · disambiguated record
David A. Popelka
Also filed as: POPELKA DAVID · POPELKA DAVID A
25 granted patents·352 citations·filing 1978–2018
96Inventor score
Files withBELL HELICOPTER TEXTRON INC6STAMPS FRANK B6TEXTRON INNOVATIONS INC5POPELKA DAVID A2COVINGTON CHARLES ERIC1
Top patents by PatentIndex Score
25 records- 0192US8857581B2Dual spring rate damperSTAMPS FRANK B·Filed 2012·Granted Oct 14, 2014·10 cites·14 claims
- 0292US6443273B1Compact vibration cancellation deviceBELL HELICOPTER TEXTRON INC·Filed 2001·Granted Sep 3, 2002·56 cites·16 claims
- 0388US9452828B2Rotor hub vibration attenuatorTEXTRON INNOVATIONS INC·Filed 2014·Granted Sep 27, 2016·13 cites·19 claims
- 0488US7845909B2Assembly for providing flexure to blade systemTEXTRON INNOVATIONS INC·Filed 2006·Granted Dec 7, 2010·19 cites·40 claims
- 0587US8926281B2Compact rotorcraft dual-element spherical elastomeric centrifugal-force bearing assemblySTAMPS FRANK B·Filed 2012·Granted Jan 6, 2015·16 cites·18 claims
- 0686US6616095B2Coupled aircraft rotor systemBELL HELICOPTER TEXTRON INC·Filed 2002·Granted Sep 9, 2003·56 cites·31 claims
- 0785US9260185B2System and method of harvesting power with a rotor hub damperCOVINGTON CHARLES ERIC·Filed 2012·Granted Feb 16, 2016·15 cites·18 claims
- 0884US8474745B2Rotor hub vibration attenuatorPOPELKA DAVID A·Filed 2011·Granted Jul 2, 2013·10 cites·17 claims
- 0981US9889927B2Variable hub-to-hub phasing rotor systemBELL HELICOPTER TEXTRON INC·Filed 2014·Granted Feb 13, 2018·7 cites·8 claims
- 1081US8985951B2Multiple-yoke main rotor assemblyRAUBER RICHARD E·Filed 2011·Granted Mar 24, 2015·11 cites·12 claims
- 1181US8424799B2Rotor hub vibration attenuatorPOPELKA DAVID A·Filed 2007·Granted Apr 23, 2013·10 cites·17 claims
- 1279US9139296B2Rotor hub vibration attenuatorTEXTRON INNOVATIONS INC·Filed 2013·Granted Sep 22, 2015·6 cites·16 claims
- 1375US7828525B2Soft in-plane tiltrotor hubBELL HELICOPTER TEXTRON INC·Filed 2004·Granted Nov 9, 2010·13 cites·1 claims
- 1474US10526076B2Rotor hub vibration attenuatorTEXTRON INNOVATIONS INC·Filed 2016·Granted Jan 7, 2020·2 cites·14 claims
- 1574US8181755B2Dual spring rate damperSTAMPS FRANK B·Filed 2004·Granted May 22, 2012·13 cites·3 claims
- 1673US8657228B2Method and apparatus for actively manipulating aerodynamic surfacesSCHANK TROY C·Filed 2010·Granted Feb 25, 2014·7 cites·17 claims
- 1770US8662442B2Active prop rotor stability systemSTAMPS FRANK B·Filed 2011·Granted Mar 4, 2014·5 cites·8 claims
- 1870US4601639ANodalized rotorBELL HELICOPTER TEXTRON INC·Filed 1984·Granted Jul 22, 1986·34 cites·10 claims
- 1969US8029371B2Rotary-wing aircraft torque coupling with pad bearingsTEXTRON INNOVATIONS INC·Filed 2006·Granted Oct 4, 2011·10 cites·3 claims
- 2068US4227665AFixed leading edge slat spoiler for a horizontal stabilizerTEXTRON INC·Filed 1978·Granted Oct 14, 1980·24 cites·11 claims
- 2167US8287237B2Step-over blade-pitch control systemSTAMPS FRANK B·Filed 2006·Granted Oct 16, 2012·9 cites·9 claims
- 2256US9352830B2Aircraft rotor with discrete flap hingeSTAMPS FRANK B·Filed 2012·Granted May 31, 2016·2 cites·18 claims
- 2353US10549849B1Variable hub-to-hub phasing rotor systemBELL HELICOPTER TEXTRON INC·Filed 2018·Granted Feb 4, 2020·0 cites·3 claims
- 2453US10059438B2Hub assembly with grease lubricated roller bearing and tension-torsion strapRAUBER RICHARD·Filed 2011·Granted Aug 28, 2018·2 cites·16 claims
- 2551US9481455B2Dual series damper systemYUCE MITHAT·Filed 2011·Granted Nov 1, 2016·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →