DH

David G. Halsey

Hamilton Sundstrand: 8 patents #309 of 2,079Top 15%
SU Sundstrand: 4 patents #130 of 697Top 20%
FM Fmr: 1 patents #233 of 903Top 30%
RTX (Raytheon): 1 patents #8,248 of 15,912Top 55%
📍 Rockford, IL: #80 of 1,291 inventorsTop 7%
🗺 Illinois: #6,059 of 84,256 inventorsTop 8%
Overall (All Time): #345,156 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10963731 Automatic classification of error conditions in automated user interface testing Nirupam Sarkar, Kanwar Gaurav Paul, Jensen Joy, Robert Coords 2021-03-30
7884491 Power turbine speed control using electrical load following Charles J. Romenesko 2011-02-08
7782007 Electrodynamic machine control 2010-08-24
7777358 Power turbine speed control using electrical load following Charles J. Romenesko 2010-08-17
7615881 Power turbine speed control using electrical load following Charles J. Romenesko 2009-11-10
7567418 Thermal isolating torque tube 2009-07-28
7385332 Permanent magnet dynamoelectric machine with axially displaceable permanent magnet rotor assembly Richard A. Himmelmann, Mohammad Shahamat 2008-06-10
6329733 Radial magnetic bearing Shin Katsumata 2001-12-11
6215212 Shaftless rotor construction Robert Grennan, William Greenlee, W. G. Neil Smith 2001-04-10
6091168 Rotor for a dynamoelectric machine Hassan Mansir, Robert Grennan, William Greenlee, Dam C. Nguyen 2000-07-18
6008558 L-shaped magnetic thrust bearing Shin Katsumata, Michael G. Schneider 1999-12-28
5994804 Air cooled dynamoelectric machine Robert Grennan, William Greenlee, W. G. Neil Smith 1999-11-30
5969452 Magnetic bearing construction David W. Okey 1999-10-19
5543673 High performance magnetic bearing Shin Katsumata, Martha L. Fisher-Votava 1996-08-06