HD

Herbert W. Doty

General Motors: 10 patents #1,545 of 18,328Top 9%
Overall (All Time): #451,794 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11473456 Cylinder head valve seat with high thermal conductivity and multiple material cross-section Qigui Wang, Devin R. Hess, Jeffrey B. Harris, Dale A. Gerard 2022-10-18
10604825 Aluminum alloy casting and method of manufacture 2020-03-31
9834828 Cast aluminum alloy components 2017-12-05
8980021 Metal treatment to eliminate hot tear defects in low silicon aluminum alloys Fawzy H Samuel, Ahmed Mohammed Nabawy Nabawy 2015-03-17
8728258 Sequential aging of aluminum silicon casting alloys 2014-05-20
8168015 Direct quench heat treatment for aluminum alloy castings 2012-05-01
7025115 Ladle for molten metal 2006-04-11
6929053 Mold fill method and system 2005-08-16
6921512 Aluminum alloy for engine blocks 2005-07-26
5705280 Composite materials and methods of manufacture and use 1998-01-06
5038846 Differential pressure, countergravity casting with alloyant reaction chamber 1991-08-13