DP

Daniel R. Petrak

Dow Corning: 3 patents #504 of 1,768Top 30%
TW The Babcock & Wilcox: 3 patents #173 of 920Top 20%
DI Dresser Industries: 2 patents #157 of 787Top 20%
NG Northrop Grumman: 2 patents #475 of 2,250Top 25%
CC Coi Ceramics: 1 patents #5 of 9Top 60%
Overall (All Time): #471,375 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6743393 Method for producing ceramic matrix composites 2004-06-01
6350713 Ceramic matrix composites 2002-02-26
6294125 Method for changing the dielectric properties of a ceramic matrix composite Todd Bridgewater, Andrew Szweda 2001-09-25
5935679 High temperature electromagnetic radiation absorbent material and method for manufacturing the same Robert A. Petrisko, Gary Lee Stark, Richard E. Jones 1999-08-10
5851403 Ceramic honeycomb and method Robert A. Petrisko, Gary Lee Stark, Richard E. Jones 1998-12-22
5707471 Method for making ceramic matrix composites Gary Lee Stark, Gregg A. Zank 1998-01-13
5324694 Silicon nitride/boron nitride composite with enhanced fracture toughness Jae Do Lee 1994-06-28
4907455 Ceramic delay lines for hot ultrasonic examination William E. Lawrie 1990-03-13
4768586 Ceramic heat exchangers Philip L. Berneburg, Jamal N. Duqum, Kathryn W. Grant 1988-09-06
4557884 Refractory Howard M. Winkelbauer, Thomas R. Kleeb, Ke-Chin Wang 1985-12-10
4460528 Refractory Howard M. Winkelbauer, Thomas R. Kleeb, Ke-Chin Wang 1984-07-17