Inventor
LINGERTAT HELMUT
US13 patents
⚠️ This page may combine multiple inventors who share the name “LINGERTAT HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GTE LABORATORIES INC
10 patentsUS5041261AAug 20, 1991
Method for manufacturing ceramic-metal articles
GTE LABORATORIES INC68 citations94
US4698266AOct 6, 1987
Coated cemented carbide tool for steel roughing applications and methods for machining
GTE LABORATORIES INC53 citations94
US5089047AFeb 18, 1992
Ceramic-metal articles and methods of manufacture
GTE LABORATORIES INC35 citations91
US5053074AOct 1, 1991
Ceramic-metal articles
GTE LABORATORIES INC30 citations91
US4708037ANov 24, 1987
Coated cemented carbide tool for steel roughing applications and methods for machining
GTE LABORATORIES INC41 citations90
US3931390AJan 6, 1976
Catalytic process for removing sulfur dioxide from gas streams
GTE LABORATORIES INC21 citations80
US4603116AJul 29, 1986
Silicon nitride based ceramics and method
GTE LABORATORIES INC20 citations78
US4400427AAug 23, 1983
Sintered silicon nitride ceramic articles having surface layers of controlled composition
GTE LABORATORIES INC10 citations71
US4383958AMay 17, 1983
Method of producing dense silicon nitride ceramic articles having controlled surface layer composition
GTE LABORATORIES INC16 citations71
US4022870AMay 10, 1977
Catalytic process for removing sulfur dioxide from gas streams
GTE LABORATORIES INC8 citations71