Inventor
KELLER DOUGLAS A
US20 patents
⚠️ This page may combine multiple inventors who share the name “KELLER DOUGLAS A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS ENERGY INC
8 patentsUS7726936B2Jun 1, 2010
Turbine engine ring seal
SIEMENS ENERGY INC98 citations98
US7563071B2Jul 21, 2009
Pin-loaded mounting apparatus for a refractory component in a combustion turbine engine
SIEMENS ENERGY INC55 citations97
US7494317B2Feb 24, 2009
Ring seal attachment system
SIEMENS ENERGY INC75 citations97
US7908867B2Mar 22, 2011
Wavy CMC wall hybrid ceramic apparatus
SIEMENS ENERGY INC40 citations92
US7871244B2Jan 18, 2011
Ring seal for a turbine engine
SIEMENS ENERGY INC36 citations92
US7722317B2May 25, 2010
CMC to metal attachment mechanism
SIEMENS ENERGY INC38 citations92
US7534086B2May 19, 2009
Multi-layer ring seal
SIEMENS ENERGY INC44 citations92
US7798769B2Sep 21, 2010
Flexible, high-temperature ceramic seal element
SIEMENS ENERGY INC13 citations84
STEVENS KENNETH A
4 patentsUS6978991B2Dec 27, 2005
Streak free apparatus for processing and stacking printed forms
STEVENS KENNETH A12 citations92
US6592114B2Jul 15, 2003
Streak free apparatus for processing and stacking printed forms
STEVENS KENNETH A10 citations73
US7036812B2May 2, 2006
Streak free apparatus for processing and stacking printed forms
STEVENS KENNETH A1 citations62
US7063312B2Jun 20, 2006
Streak free apparatus for processing and stacking printed forms
STEVENS KENNETH A0 citations51
SIEMENS POWER GENERATION INC
3 patentsUS7278820B2Oct 9, 2007
Ring seal system with reduced cooling requirements
SIEMENS POWER GENERATION INC81 citations98
US7393183B2Jul 1, 2008
Trailing edge attachment for composite airfoil
SIEMENS POWER GENERATION INC27 citations92
US7371043B2May 13, 2008
CMC turbine shroud ring segment and fabrication method
SIEMENS POWER GENERATION INC29 citations92