DH

Douglas Howard Hamelwright

TI Textron Innovations: 2 patents #387 of 1,177Top 35%
BT Bell Helicopter Textron: 1 patents #349 of 718Top 50%
Overall (All Time): #1,350,866 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11873111 Fuel cell protection system Timothy Brian Carr, Joshua Andrew Emrich 2024-01-16
10196151 Rotorcraft fuel system having enhanced crash resistance Martin Peryea, Michael R. Smith, Albert G. Brand, Nicholas Plagianos, Joshua Andrew Emrich +1 more 2019-02-05
8919694 Skid landing gear system William Anthony Amante, Franklin J. Holik, Dale W. Springer, William D. Dennison 2014-12-30