DD

Douglas D. Dierksmeier

RA Rolls-Royce North America: 48 patents #5 of 447Top 2%
Rolls-Royce Plc: 15 patents #47 of 1,164Top 5%
RC Rolls-Royce High Temperature Composites: 7 patents #15 of 83Top 20%
AD Allison Advanced Development: 3 patents #6 of 41Top 15%
AC Allison Engine Company: 3 patents #9 of 57Top 20%
RT Rolls-Royce American Technologies: 1 patents #6 of 13Top 50%
UF US Air Force: 1 patents #6,190 of 16,312Top 40%
📍 Indianapolis, IN: #33 of 5,011 inventorsTop 1%
🗺 Indiana: #223 of 33,936 inventorsTop 1%
Overall (All Time): #43,826 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 51–56 of 56 patents

Patent #TitleCo-InventorsDate
6896483 Blade track assembly Tab M. Heffernan, James C. Muskat 2005-05-24
6557621 Casting core and method of casting a gas turbine engine component Jeffrey A. Ruppel 2003-05-06
5863183 High temperature rotor blade attachment Tab M. Heffernan 1999-01-26
5836742 High temperature rotor blade attachment Tab M. Heffernan 1998-11-17
5688108 High temperature rotor blade attachment Tab M. Heffernan 1997-11-18
4838584 Quick disconnect duct coupler 1989-06-13