Inventor
BOYER DAVID C
US23 patents
⚠️ This page may combine multiple inventors who share the name “BOYER DAVID C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ILLINOIS TOOL WORKS
5 patentsUS4171555AOct 23, 1979
Buckle
ILLINOIS TOOL WORKS147 citations95
US4193310AMar 18, 1980
Idler pulley
ILLINOIS TOOL WORKS38 citations91
US4365582ADec 28, 1982
Differential pressure signal device
ILLINOIS TOOL WORKS9 citations73
USD262864SFeb 2, 1982
Screw anchor
ILLINOIS TOOL WORKS6 citations72
USD256911SSep 16, 1980
Electric light socket
ILLINOIS TOOL WORKS3 citations62
MARATHON ASHLAND PETROLEUM LLC
4 patentsUS6827841B2Dec 7, 2004
Low viscosity, high carbon yield pitch product
MARATHON ASHLAND PETROLEUM LLC54 citations95
US7625479B1Dec 1, 2009
Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content
MARATHON ASHLAND PETROLEUM LLC2 citations61
US7393449B1Jul 1, 2008
Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content
MARATHON ASHLAND PETROLEUM LLC1 citations61
US7067050B2Jun 27, 2006
Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content
MARATHON ASHLAND PETROLEUM LLC2 citations61
MARATHON ASHLAND PETROLEUM CO
3 patentsUS7252755B2Aug 7, 2007
Viscosity modification of heavy hydrocarbons
MARATHON ASHLAND PETROLEUM CO42 citations91
US7097703B2Aug 29, 2006
Use of anti-strip agents to improve wear characteristics of pavement sealer
MARATHON ASHLAND PETROLEUM CO4 citations61
US7282135B1Oct 16, 2007
Low viscosity, high carbon yield pitch product
MARATHON ASHLAND PETROLEUM CO0 citations50