Inventor · disambiguated record
Patrick R. Tisdale
Also filed as: TISDALE PATRICK · TISDALE PATRICK R · TISDALE PATRICK RYAN
28 granted patents·362 citations·filing 1982–2018
96Inventor score
Files withBELL HELICOPTER TEXTRON INC14STAMPS FRANK B7TEXTRON INNOVATIONS INC4RAUBER RICHARD1RAUBER RICHARD E1
Top patents by PatentIndex Score
28 records- 0194US4427340ASoft inplane bearingless helicopter rotorBELL HELICOPTER TEXTRON INC·Filed 1982·Granted Jan 24, 1984·99 cites·13 claims
- 0291US8038539B2Constant-velocity joint with torque-combining differentialBELL HELICOPTER TEXTRON INC·Filed 2008·Granted Oct 18, 2011·23 cites·9 claims
- 0390US8444382B2Rotor hub for use with high-inertia bladesSTAMPS FRANK B·Filed 2011·Granted May 21, 2013·17 cites·16 claims
- 0490US7665969B2Assembly for providing flexure to blade systemBELL HELICOPTER TEXTRON INC·Filed 2005·Granted Feb 23, 2010·26 cites·41 claims
- 0588US7845909B2Assembly for providing flexure to blade systemTEXTRON INNOVATIONS INC·Filed 2006·Granted Dec 7, 2010·19 cites·40 claims
- 0687US9126680B2Dual mode rotor hub assemblySTAMPS FRANK B·Filed 2011·Granted Sep 8, 2015·13 cites·10 claims
- 0787US8926281B2Compact rotorcraft dual-element spherical elastomeric centrifugal-force bearing assemblySTAMPS FRANK B·Filed 2012·Granted Jan 6, 2015·16 cites·18 claims
- 0884US9505489B2Flexing clevis arrangement bolted joint attachment for flexible rotor hub with high offset and high flappingBELL HELICOPTER TEXTRON INC·Filed 2013·Granted Nov 29, 2016·10 cites·16 claims
- 0981US8985951B2Multiple-yoke main rotor assemblyRAUBER RICHARD E·Filed 2011·Granted Mar 24, 2015·11 cites·12 claims
- 1078US8956117B2Stiff-in-plane rotor configurationSTAMPS FRANK B·Filed 2009·Granted Feb 17, 2015·12 cites·3 claims
- 1174US8360727B2Yoke and bearing fitting assembly for rotorsTEXTRON INNOVATIONS INC·Filed 2009·Granted Jan 29, 2013·11 cites·15 claims
- 1271US9156237B2Attachable elastomeric padSOTTIAUX DANIEL P·Filed 2012·Granted Oct 13, 2015·1 cites·11 claims
- 1371US7867096B2Joint for tiltrotor hubsTEXTRON INNOVATIONS INC·Filed 2005·Granted Jan 11, 2011·4 cites·17 claims
- 1471US5358381AYoke for helicopter rotor systemsBELL HELICOPTER TEXTRON INC·Filed 1993·Granted Oct 25, 1994·45 cites·3 claims
- 1570US10569867B2Composite rotor system using two race track style cantilevered yokesBELL HELICOPTER TEXTRON INC·Filed 2018·Granted Feb 25, 2020·1 cites·4 claims
- 1670US6708921B2Composite flapping flexureBELL HELICOPTER TEXTRON INC·Filed 2002·Granted Mar 23, 2004·21 cites·17 claims
- 1768US9505490B2Composite rotor system using two race track style cantilevered yokesBELL HELICOPTER TEXTRON INC·Filed 2013·Granted Nov 29, 2016·3 cites·14 claims
- 1867US8287237B2Step-over blade-pitch control systemSTAMPS FRANK B·Filed 2006·Granted Oct 16, 2012·9 cites·9 claims
- 1966US10086934B2Composite rotor system using two race track style cantilevered yokesBELL HELICOPTER TEXTRON INC·Filed 2016·Granted Oct 2, 2018·1 cites·9 claims
- 2063US10059064B2Fiber orientation to allow for automated ply placement with composite rotor yokesBELL HELICOPTER TEXTRON INC·Filed 2017·Granted Aug 28, 2018·0 cites·10 claims
- 2163US9714086B2Fiber orientation to allow for automated ply placement with composite rotor yokesBELL HELICOPTER TEXTRON INC·Filed 2013·Granted Jul 25, 2017·0 cites·16 claims
- 2256US9352830B2Aircraft rotor with discrete flap hingeSTAMPS FRANK B·Filed 2012·Granted May 31, 2016·2 cites·18 claims
- 2353US10059438B2Hub assembly with grease lubricated roller bearing and tension-torsion strapRAUBER RICHARD·Filed 2011·Granted Aug 28, 2018·2 cites·16 claims
- 2452US8047466B2Yoke with notched arm rootsBELL HELICOPTER TEXTRON INC·Filed 2007·Granted Nov 1, 2011·3 cites·12 claims
- 2548US9878782B2Stiff-in-plane rotor configurationTEXTRON INNOVATIONS INC·Filed 2015·Granted Jan 30, 2018·0 cites·10 claims
- 2643US8430757B2Constant-velocity joint with torque-combining differentialSTAMPS FRANK B·Filed 2011·Granted Apr 30, 2013·0 cites·5 claims
- 2741US10669021B2Method of optimizing and customizing rotor blade structural properties by tailoring large cell composite core and a rotor blade incorporating the sameBELL HELICOPTER TEXTRON INC·Filed 2013·Granted Jun 2, 2020·0 cites·19 claims
- 2836US6375426B1Protective edge members for composite flexuresBELL HELICOPTER TEXTRON INC·Filed 1999·Granted Apr 23, 2002·13 cites·29 claims
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