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Herbert W. Doty
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Fenton, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Cylinder head valve seat with high thermal conductivity and multipl...
Patent number
11,473,456
Issue date
Oct 18, 2022
GM Global Technology Operations LLC
Qigui Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Aluminum alloy casting and method of manufacture
Patent number
10,604,825
Issue date
Mar 31, 2020
GM Global Technology Operations LLC
Herbert W. Doty
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cast aluminum alloy components
Patent number
9,834,828
Issue date
Dec 5, 2017
GM Global Technology Operations LLC
Herbert W. Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Metal treatment to eliminate hot tear defects in low silicon alumin...
Patent number
8,980,021
Issue date
Mar 17, 2015
GM Global Technology Operations LLC
Herbert W. Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sequential aging of aluminum silicon casting alloys
Patent number
8,728,258
Issue date
May 20, 2014
GM Global Technology Operations LLC
Herbert W. Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Direct quench heat treatment for aluminum alloy castings
Patent number
8,168,015
Issue date
May 1, 2012
GM Global Technology Operations LLC
Herbert W. Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Ladle for molten metal
Patent number
7,025,115
Issue date
Apr 11, 2006
General Motors Corporation
Herbert W. Doty
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Mold fill method and system
Patent number
6,929,053
Issue date
Aug 16, 2005
General Motors Corporation
Herbert W. Doty
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Aluminum alloy for engine blocks
Patent number
6,921,512
Issue date
Jul 26, 2005
General Motors Corporation
Herbert William Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Differential pressure, countergravity casting with alloyant reactio...
Patent number
5,038,846
Issue date
Aug 13, 1991
General Motors Corporation
Herbert W. Doty
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
CYLINDER HEAD VALVE SEAT WITH HIGH THERMAL CONDUCTIVITY AND MULTIPL...
Publication number
20220082035
Publication date
Mar 17, 2022
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Qigui Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Application
TOOL AND METHOD FOR DIRECT SQUEEZE CASTING
Publication number
20180345362
Publication date
Dec 6, 2018
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Richard Osborne
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SYSTEM AND METHOD TO STABILIZE TRANSITION METAL PRECIPITATES IN CAS...
Publication number
20180347011
Publication date
Dec 6, 2018
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Herbert W. Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DISPLACEMENT-PRESSURE REGULATOR FOR A CASTING SYSTEM
Publication number
20180056384
Publication date
Mar 1, 2018
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Richard J. Osborne
B22 - CASTING POWDER METALLURGY
Information
Patent Application
ALUMINUM ALLOY CASTING AND METHOD OF MANUFACTURE
Publication number
20170327929
Publication date
Nov 16, 2017
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Herbert W. Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CAST ALUMINUM ALLOY COMPONENTS
Publication number
20150315688
Publication date
Nov 5, 2015
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Herbert W. Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PRODUCT DESIGN RELIABILITY WITH CONSIDERATION OF MATERIAL PROPERTY...
Publication number
20150213164
Publication date
Jul 30, 2015
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Qigui Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
LINERLESS ENGINE
Publication number
20120227699
Publication date
Sep 13, 2012
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Thomas A. Perry
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DIRECT QUENCH HEAT TREATMENT FOR ALUMINUM ALLOY CASTINGS
Publication number
20100101691
Publication date
Apr 29, 2010
GM Global Technology Operations, Inc.
Herbert W. Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SEQUENTIAL AGING OF ALUMINUM SILICON CASTING ALLOYS
Publication number
20090301617
Publication date
Dec 10, 2009
GM Global Technology Operations, Inc.
Herbert W. Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METAL TREATMENT TO ELIMINATE HOT TEAR DEFECTS IN LOW SILICON ALUMIN...
Publication number
20090252643
Publication date
Oct 8, 2009
Herbert W. Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Aluminum alloy for engine components
Publication number
20080060723
Publication date
Mar 13, 2008
GM Global Technology Operations, Inc.
Herbert W. Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LADLE FOR MOLTEN METAL
Publication number
20060032603
Publication date
Feb 16, 2006
Herbert W. Doty
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Castable aluminum alloy
Publication number
20050199318
Publication date
Sep 15, 2005
Herbert William Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Aluminum alloy for engine blocks
Publication number
20040265163
Publication date
Dec 30, 2004
Herbert William Doty
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...