David A. Popelka

Person

Colleyville, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Rotor hub vibration attenuator
- Patent number 10,526,076
- Issue date Jan 7, 2020
- Textron Innovations Inc.
- David Heverly
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Hub assembly with grease lubricated roller bearing and tension-tors...
- Patent number 10,059,438
- Issue date Aug 28, 2018
- Textron Innovations Inc.
- Richard Rauber
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Variable hub-to-hub phasing rotor system
- Patent number 9,889,927
- Issue date Feb 13, 2018
- Bell Helicopter Textron Inc.
- Brian Modrzejewski
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Dual series damper system
- Patent number 9,481,455
- Issue date Nov 1, 2016
- Textron Innovations Inc.
- Mithat Yuce
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor hub vibration attenuator
- Patent number 9,452,828
- Issue date Sep 27, 2016
- Textron Innovations Inc.
- David Heverly
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Aircraft rotor with discrete flap hinge
- Patent number 9,352,830
- Issue date May 31, 2016
- Textron Innovations Inc.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
System and method of harvesting power with a rotor hub damper
- Patent number 9,260,185
- Issue date Feb 16, 2016
- Textron Innovations Inc.
- Charles Eric Covington
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor hub vibration attenuator
- Patent number 9,139,296
- Issue date Sep 22, 2015
- Textron Innovations Inc.
- David A. Popelka
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Multiple-yoke main rotor assembly
- Patent number 8,985,951
- Issue date Mar 24, 2015
- Textron Innovations Inc.
- Richard E. Rauber
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Compact rotorcraft dual-element spherical elastomeric centrifugal-f...
- Patent number 8,926,281
- Issue date Jan 6, 2015
- Textron Innovations Inc.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Dual spring rate damper
- Patent number 8,857,581
- Issue date Oct 14, 2014
- Textron Innovations Inc.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Active prop rotor stability system
- Patent number 8,662,442
- Issue date Mar 4, 2014
- Textron Innovations Inc.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Method and apparatus for actively manipulating aerodynamic surfaces
- Patent number 8,657,228
- Issue date Feb 25, 2014
- Textron Innovations Inc.
- Troy C. Schank
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor hub vibration attenuator
- Patent number 8,474,745
- Issue date Jul 2, 2013
- Textron Innovations Inc.
- David A. Popelka
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor hub vibration attenuator
- Patent number 8,424,799
- Issue date Apr 23, 2013
- Textron Innovations Inc.
- David A. Popelka
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Step-over blade-pitch control system
- Patent number 8,287,237
- Issue date Oct 16, 2012
- Textron Innovations Inc.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Dual spring rate damper
- Patent number 8,181,755
- Issue date May 22, 2012
- Textron Innovations Inc.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotary-wing aircraft torque coupling with pad bearings
- Patent number 8,029,371
- Issue date Oct 4, 2011
- Textron Innovations Inc.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Assembly for providing flexure to blade system
- Patent number 7,845,909
- Issue date Dec 7, 2010
- Textron Innovations Inc.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Soft in-plane tiltrotor hub
- Patent number 7,828,525
- Issue date Nov 9, 2010
- Bell Helicopter Textron Inc.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Coupled aircraft rotor system
- Patent number 6,616,095
- Issue date Sep 9, 2003
- Bell Helicopter Textron Inc.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Compact vibration cancellation device
- Patent number 6,443,273
- Issue date Sep 3, 2002
- Bell Helicopter Textron, Inc.
- Timothy K. Ledbetter
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Nodalized rotor
- Patent number 4,601,639
- Issue date Jul 22, 1986
- Bell Helicopter Textron Inc.
- Jing G. Yen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Fixed leading edge slat spoiler for a horizontal stabilizer
- Patent number 4,227,665
- Issue date Oct 14, 1980
- Textron, Inc.
- Floyd W. Carlson
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
Variable Hub-to-Hub Phasing Rotor System
- Publication number 20200023951
- Publication date Jan 23, 2020
- BELL HELICOPTER TEXTRON INC.
- Brian Modrzejewski
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Rotor Hub Vibration Attenuator
- Publication number 20170297685
- Publication date Oct 19, 2017
- TEXTRON INNOVATIONS INC.
- David Heverly
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
VARIABLE HUB-TO-HUB PHASING ROTOR SYSTEM
- Publication number 20150217863
- Publication date Aug 6, 2015
- BELL HELICOPTER TEXTRON INC.
- Brian Modrzejewski
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ROTOR HUB VIBRATION ATTENUATOR
- Publication number 20140360830
- Publication date Dec 11, 2014
- TEXTRON INNOVATIONS INC.
- David Heverly
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ROTOR HUB VIBRATION ATTENUATOR
- Publication number 20140286772
- Publication date Sep 25, 2014
- Textron Innovations Inc.
- David A. Popelka
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Aircraft Rotor with Discrete Flap Hinge
- Publication number 20130287576
- Publication date Oct 31, 2013
- BELL HELICOPTER TEXTRON INC.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Compact Rotorcraft Dual-Element Spherical Elastomeric Centrifugal-F...
- Publication number 20130216384
- Publication date Aug 22, 2013
- BELL HELICOPTER TEXTRON INC.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
System and Method of Harvesting Power with a Rotor Hub Damper
- Publication number 20130189098
- Publication date Jul 25, 2013
- BELL HELICOPTER TEXTRON INC.
- Charles Eric Covington
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Hub Assembly with Grease Lubricated Roller Bearing and Tension-Tors...
- Publication number 20130164129
- Publication date Jun 27, 2013
- BELL HELICOPTER TEXTRON INC.
- Richard Rauber
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Multiple-Yoke Main Rotor Assembly
- Publication number 20130149151
- Publication date Jun 13, 2013
- BELL HELICOPTER TEXTRON INC.
- Richard E. Rauber
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Active Prop Rotor Stability System
- Publication number 20130105637
- Publication date May 2, 2013
- BELL HELICOPTER TEXTRON INC.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
DUAL SERIES DAMPER SYSTEM
- Publication number 20130084183
- Publication date Apr 4, 2013
- BELL HELICOPTER TEXTRON INC.
- Mithat Yuce
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Method and Apparatus for Actively Manipulating Aerodynamic Surfaces
- Publication number 20120305698
- Publication date Dec 6, 2012
- BELL HELICOPTER TEXTRON INC.
- Troy C. Schank
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Dual Spring Rate Damper
- Publication number 20120230823
- Publication date Sep 13, 2012
- BELL HELICOPTER TEXTRON INC.
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Rotor Hub Vibration Attenuator
- Publication number 20110194934
- Publication date Aug 11, 2011
- David A. Popelka
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Rotor Hub Vibration Attenuator
- Publication number 20100209242
- Publication date Aug 19, 2010
- BELL HELICOPTER TEXTRON INC.
- David A. Popelka
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
Step-Over Blade-Pitch Control System
- Publication number 20100021301
- Publication date Jan 28, 2010
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Rotary-Wing Aircraft Torque Coupling with Pad Bearings
- Publication number 20100009764
- Publication date Jan 14, 2010
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Soft In-Plane Tiltrotor Hub
- Publication number 20080247876
- Publication date Oct 9, 2008
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Assembly for Providing Flexure to Blade System
- Publication number 20080101934
- Publication date May 1, 2008
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Dual spring rate damper
- Publication number 20070137956
- Publication date Jun 21, 2007
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Coupled aircraft rotor system
- Publication number 20020134883
- Publication date Sep 26, 2002
- Frank B. Stamps
- B64 - AIRCRAFT AVIATION COSMONAUTICS

David A. Popelka

Person

Patents Grantslast 30 patents

Rotor hub vibration attenuator

Hub assembly with grease lubricated roller bearing and tension-tors...

Variable hub-to-hub phasing rotor system

Dual series damper system

Rotor hub vibration attenuator

Aircraft rotor with discrete flap hinge

System and method of harvesting power with a rotor hub damper

Rotor hub vibration attenuator

Multiple-yoke main rotor assembly

Compact rotorcraft dual-element spherical elastomeric centrifugal-f...

Dual spring rate damper

Active prop rotor stability system

Method and apparatus for actively manipulating aerodynamic surfaces

Rotor hub vibration attenuator

Rotor hub vibration attenuator

Step-over blade-pitch control system

Dual spring rate damper

Rotary-wing aircraft torque coupling with pad bearings

Assembly for providing flexure to blade system

Soft in-plane tiltrotor hub

Coupled aircraft rotor system

Compact vibration cancellation device

Nodalized rotor

Fixed leading edge slat spoiler for a horizontal stabilizer

Patents Applicationslast 30 patents

Variable Hub-to-Hub Phasing Rotor System

Rotor Hub Vibration Attenuator

VARIABLE HUB-TO-HUB PHASING ROTOR SYSTEM

ROTOR HUB VIBRATION ATTENUATOR

ROTOR HUB VIBRATION ATTENUATOR

Aircraft Rotor with Discrete Flap Hinge

Compact Rotorcraft Dual-Element Spherical Elastomeric Centrifugal-F...

System and Method of Harvesting Power with a Rotor Hub Damper

Hub Assembly with Grease Lubricated Roller Bearing and Tension-Tors...

Multiple-Yoke Main Rotor Assembly

Active Prop Rotor Stability System

DUAL SERIES DAMPER SYSTEM

Method and Apparatus for Actively Manipulating Aerodynamic Surfaces

Dual Spring Rate Damper

Rotor Hub Vibration Attenuator

Rotor Hub Vibration Attenuator

Step-Over Blade-Pitch Control System

Rotary-Wing Aircraft Torque Coupling with Pad Bearings

Soft In-Plane Tiltrotor Hub

Assembly for Providing Flexure to Blade System

Dual spring rate damper

Coupled aircraft rotor system