DN

David P. Nagle

RTX (Raytheon): 8 patents #1,453 of 15,912Top 10%
Hamilton Sundstrand: 7 patents #337 of 2,079Top 20%
RS Ratier-Figeac Sas: 2 patents #23 of 58Top 40%
CC Cleveland Clinic: 1 patents #483 of 972Top 50%
Overall (All Time): #296,614 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9920629 Propeller blade and method 2018-03-20
9849969 Lightweight propeller blade with improved retention capacity Stephen L. Smith 2017-12-26
9505486 Propeller blade having compliant adhesive at spar interface Ludovic Prunet, Patrice Brion 2016-11-29
9488056 Propeller blade with modified spar layup Patrice Brion, Ludovic Prunet 2016-11-08
9429024 Propeller blade with lightweight insert Paul A. Carvalho, Bruno Seminal, Stephane Grimal 2016-08-30
9168999 Propeller blade with internal stiffener Paul A. Carvalho 2015-10-27
9139287 Propeller blade with carbon foam spar core Michael E. Folsom, Blair A. Smith 2015-09-22
D552178 Heart brace Daniel J. Boffa, Eric E. Roselli, Douglas R. Johnston, John Robert Mehall, David Mason +1 more 2007-10-02
6305905 Bolted-on propeller blade John A. Violette 2001-10-23
6213719 Bar wedge preload apparatus for a propeller blade John A. Violette, Coleman D. Shattuck 2001-04-10
5439353 Composite blade with reinforced leading edge James A. Cook 1995-08-08
5392514 Method of manufacturing a composite blade with a reinforced leading edge James A. Cook 1995-02-28
5102300 Pinned airfoil propeller assembly John A. Violette, Sean Auyeung 1992-04-07
5022825 Pitch retention member John A. Violette 1991-06-11
4841628 Filter replacement mechanism 1989-06-27
4789304 Insulated propeller blade Robert Eric Gustafson 1988-12-06