Inventor
SPROUL WILLIAM D
US12 patents
⚠️ This page may combine multiple inventors who share the name “SPROUL WILLIAM D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV NORTHWESTERN
5 patentsUS5776615AJul 7, 1998
Superhard composite materials including compounds of carbon and nitrogen deposited on metal and metal nitride, carbide and carbonitride
UNIV NORTHWESTERN150 citations98
US5942089AAug 24, 1999
Method for sputtering compounds on a substrate
UNIV NORTHWESTERN140 citations97
US5783295AJul 21, 1998
Polycrystalline supperlattice coated substrate and method/apparatus for making same
UNIV NORTHWESTERN36 citations92
US5789071AAug 4, 1998
Multilayer oxide coatings
UNIV NORTHWESTERN52 citations91
US5725913AMar 10, 1998
Superhard composite materials including compounds of carbon and nitrogen deposited on metal and metal nitride carbide and carbonitride
UNIV NORTHWESTERN32 citations90
BORG WARNER
5 patentsUS4428811AJan 31, 1984
Rapid rate reactive sputtering of a group IVb metal
BORG WARNER57 citations95
US4428812AJan 31, 1984
Rapid rate reactive sputtering of metallic compounds
BORG WARNER29 citations92
US4388159AJun 14, 1983
Surface preparation of aluminum articles
BORG WARNER46 citations92
US4670172AJun 2, 1987
Process and kit for working metals
BORG WARNER23 citations81
US4608243AAug 26, 1986
High hardness hafnium nitride
BORG WARNER8 citations73