ES

Ernst C. Schellhase

BT Bell Helicopter Textron: 9 patents #45 of 718Top 7%
TI Textron Innovations: 2 patents #387 of 1,177Top 35%
UF US Air Force: 1 patents #6,190 of 16,312Top 40%
Overall (All Time): #421,950 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8857581 Dual spring rate damper Frank B. Stamps, Michael R. Smith, Christopher M. Bothwell, Lawrence M. Corso, James L. Braswell, Jr. +6 more 2014-10-14
8181755 Dual spring rate damper Frank B. Stamps, David A. Popelka, Michael R. Smith, Christopher M. Bothwell, Lawrence M. Corso +6 more 2012-05-22
7828525 Soft in-plane tiltrotor hub Frank B. Stamps, Michael R. Smith, Christopher M. Bothwell, Lawrence M. Corso, James L. Braswell, Jr. +6 more 2010-11-09
6921249 Main rotor shear restraint David A. Haynie, James L. Braswell, Jr., Joseph John Zierer 2005-07-26
6296444 Prop rotor hub Willem Broekhuizen 2001-10-02
6227492 Redundant ice management system for aircraft Mark P. Eisenhauer, Richard D. Miller, John Peter Pappas, Gary S. Froman, Roger Aubert 2001-05-08
6220803 Self-locking and self-retained structural fastener 2001-04-24
5215502 Constant velocity elastomeric joint William D. Neathery, Willem Broekhuizen 1993-06-01
5074753 Rotor blade Cecil E. Covington, Madison K. Robinson 1991-12-24
5031858 Apparatus and method for folding and locking rotor blades Dan Anastas, deceased, by Peggy Anastas, executrix, Paul E. Keefer, Cecil E. Covington, Joseph John Zierer +1 more 1991-07-16
4734081 Constant velocity elastomeric bearing joint William D. Neathery, Willem Broekhuizen 1988-03-29
4729753 Constant velocity elastomeric bearing joint William D. Neathery, Willem Broekhuizen 1988-03-08