RP

Robert H. Perkinson

Hamilton Sundstrand: 32 patents #47 of 2,079Top 3%
RTX (Raytheon): 10 patents #1,117 of 15,912Top 8%
CE Centocor: 1 patents #75 of 165Top 50%
📍 Stonington, CT: #4 of 119 inventorsTop 4%
🗺 Connecticut: #694 of 34,797 inventorsTop 2%
Overall (All Time): #79,366 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
8182222 Thermal protection of rotor blades 2012-05-22
8172530 Pitch change actuation system for a counter-rotating propeller 2012-05-08
8167501 Separator for bearing assemblies with cyclic loads Matthew Soule, Herbert J. Holl 2012-05-01
8167553 Electrical system for driving a propeller pitch change mechanism David R. Danielson 2012-05-01
8162611 Controllable pitch propeller with electrical power generation David V. Arel 2012-04-24
7341426 Gas turbine engine blade tip clearance apparatus and method Frederick M. Schwarz, Jesse Smith 2008-03-11
6981844 Cyclic actuation system for a controllable pitch propeller and a method of providing aircraft control therewith Paul A. Carvalho, David V. Arel 2006-01-03
6900056 Chemically defined medium for cultured mammalian cells ChiChang Lee, Celia Ly, Gordon Moore 2005-05-31
6811376 Actuation system for a controllable pitch propeller David V. Arel, David R. Danielson 2004-11-02
6511292 Backup governing system for a variable pitch propeller Charles F. Stearns 2003-01-28
5897293 Counterweighted propeller control system David V. Arel, Charles L. DeGeorge 1999-04-27
4898324 Metering valve temperature compensation Charles F. Stearns, Rene F. Belanger 1990-02-06
4805658 Variable pressure regulating valve Charles E. Reuter 1989-02-21
4760662 Hybrid fuel metering system Gerald P. Dyer, Gerald J. Gorneault, Charles F. Stearns 1988-08-02
4501157 Vortex shedding flow measuring transducer Brian G. Donnelly, Carl S. Dudash 1985-02-26