Inventor
PIETRUSKA NORMAN
US15 patents
⚠️ This page may combine multiple inventors who share the name “PIETRUSKA NORMAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
14 patentsUS5549767AAug 27, 1996
Heat treatment and repair of cobalt base superalloy articles
UNITED TECHNOLOGIES CORP58 citations93
US7966707B2Jun 28, 2011
Method for repairing superalloy components using inserts
UNITED TECHNOLOGIES CORP35 citations92
US6742698B2Jun 1, 2004
Refractory metal backing material for weld repair
UNITED TECHNOLOGIES CORP47 citations92
US5437737AAug 1, 1995
Repair coating for superalloy articles, such as gas turbine engine components
UNITED TECHNOLOGIES CORP88 citations92
US6503349B2Jan 7, 2003
Repair of single crystal nickel based superalloy article
UNITED TECHNOLOGIES CORP60 citations91
US6045863AApr 4, 2000
Low activity localized aluminide coating
UNITED TECHNOLOGIES CORP34 citations91
US6022632AFeb 8, 2000
Low activity localized aluminide coating
UNITED TECHNOLOGIES CORP19 citations91
US5522134AJun 4, 1996
Turbine vane flow area restoration method
UNITED TECHNOLOGIES CORP54 citations91
US7360678B2Apr 22, 2008
Repair and reclassification of superalloy components
UNITED TECHNOLOGIES CORP19 citations90
US5735448AApr 7, 1998
Method of repairing surface and near surface defects in superalloy articles such as gas turbine engine components
UNITED TECHNOLOGIES CORP44 citations90
US6725540B2Apr 27, 2004
Method for repairing turbine engine components
UNITED TECHNOLOGIES CORP17 citations84
US5922150AJul 13, 1999
Method of heat treating a cobalt-base alloy
UNITED TECHNOLOGIES CORP16 citations79
US5741378AApr 21, 1998
Method of rejuvenating cobalt-base superalloy articles
UNITED TECHNOLOGIES CORP12 citations71
US8353444B2Jan 15, 2013
Low temperature diffusion braze repair of single crystal components
UNITED TECHNOLOGIES CORP0 citations44