Stephen D. Dunmead

Person

Midland, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Rapid conversion of metal-containing compounds to form metals or me...
- Patent number 6,689,191
- Issue date Feb 10, 2004
- OMG Americas, Inc.
- Stephen Dunmead
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method to produce a transition metal carbide from a partially reduc...
- Patent number 6,495,115
- Issue date Dec 17, 2002
- OMG Americas, Inc.
- Stephen D. Dunmead
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Metallic-carbide-group VIII metal powder and preparation methods th...
- Patent number 6,007,598
- Issue date Dec 28, 1999
- OMG Americas, Inc.
- Stephen D. Dunmead
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method to produce a transition metal carbide from a partially reduc...
- Patent number 5,942,204
- Issue date Aug 24, 1999
- OMG Americas, Inc.
- Stephen D. Dunmead
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for making submicrometer transition metal carbonitrides
- Patent number 5,756,410
- Issue date May 26, 1998
- The Dow Chemical Company
- Stephen D. Dunmead
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Metallic-carbide group VIII metal powder and preparation methods th...
- Patent number 5,746,803
- Issue date May 5, 1998
- The Dow Chemical Company
- Stephen D. Dunmead
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum nitride, aluminum nitride containing solid solutions and a...
- Patent number 5,710,382
- Issue date Jan 20, 1998
- The Dow Chemical Company
- Stephen D. Dunmead
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Single step synthesis and densification of ceramic-ceramic and cera...
- Patent number 5,708,956
- Issue date Jan 13, 1998
- The Dow Chemical Company
- Stephen D. Dunmead
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered WC-containing materials
- Patent number 5,681,783
- Issue date Oct 28, 1997
- The Dow Chemical Company
- Robert T. Nilsson
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Aluminum nitride, aluminum nitride containing solid solutions and a...
- Patent number 5,649,278
- Issue date Jul 15, 1997
- The Dow Chemical Company
- Stephen D. Dunmead
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicon nitride/silicon carbide composite densified materials prepa...
- Patent number 5,643,843
- Issue date Jul 1, 1997
- The Dow Chemical Company
- Stephen D. Dunmead
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Methods for making WC-containing bodies
- Patent number 5,612,264
- Issue date Mar 18, 1997
- The Dow Chemical Company
- Robert T. Nilsson
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cemented ceramic article made from ultrafine solid solution powders...
- Patent number 5,580,666
- Issue date Dec 3, 1996
- The Dow Chemical Company
- Ellen M. Dubensky
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of making metallic carbide powders
- Patent number 5,567,662
- Issue date Oct 22, 1996
- The Dow Chemical Company
- Stephen D. Dunmead
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Densified micrograin refractory metal or solid solution solution (m...
- Patent number 5,563,107
- Issue date Oct 8, 1996
- The Dow Chemical Company
- Ellen M. Dubensky
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for producing silicon nitride/silicon carbide composite
- Patent number 5,538,675
- Issue date Jul 23, 1996
- The Dow Chemical Company
- Stephen D. Dunmead
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicon nitride/silicon carbide composite powders
- Patent number 5,525,556
- Issue date Jun 11, 1996
- The Dow Chemical Company
- Stephen D. Dunmead
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Light weight boron carbide/aluminum cermets
- Patent number 5,521,016
- Issue date May 28, 1996
- The Dow Chemical Company
- Aleksander J. Pyzik
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for forming beta-silicon carbide whiskers, singly or in a ma...
- Patent number 5,383,421
- Issue date Jan 24, 1995
- The Dow Chemical Company
- Stephen D. Dunmead
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for making submicrometer carbides, submicrometer solid solut...
- Patent number 5,380,688
- Issue date Jan 10, 1995
- The Dow Chemical Company
- Stephen D. Dunmead
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Low temperature method for synthesizing micrograin tungsten carbide
- Patent number 5,372,797
- Issue date Dec 13, 1994
- The Dow Chemical Company
- Stephen D. Dunmead
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
Rapid conversion of metal-containing compounds to form metal oxides
- Publication number 20030230169
- Publication date Dec 18, 2003
- Stephen Dunmead
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Rapid conversion of metal-containing compounds to form metals or me...
- Publication number 20030019328
- Publication date Jan 30, 2003
- Stephen Dunmead
- B82 - NANO-TECHNOLOGY

Stephen D. Dunmead

Person

Patents Grantslast 30 patents

Rapid conversion of metal-containing compounds to form metals or me...

Method to produce a transition metal carbide from a partially reduc...

Metallic-carbide-group VIII metal powder and preparation methods th...

Method to produce a transition metal carbide from a partially reduc...

Method for making submicrometer transition metal carbonitrides

Metallic-carbide group VIII metal powder and preparation methods th...

Aluminum nitride, aluminum nitride containing solid solutions and a...

Single step synthesis and densification of ceramic-ceramic and cera...

Sintered WC-containing materials

Aluminum nitride, aluminum nitride containing solid solutions and a...

Silicon nitride/silicon carbide composite densified materials prepa...

Methods for making WC-containing bodies

Cemented ceramic article made from ultrafine solid solution powders...

Method of making metallic carbide powders

Densified micrograin refractory metal or solid solution solution (m...

Method for producing silicon nitride/silicon carbide composite

Silicon nitride/silicon carbide composite powders

Light weight boron carbide/aluminum cermets

Method for forming beta-silicon carbide whiskers, singly or in a ma...

Method for making submicrometer carbides, submicrometer solid solut...

Low temperature method for synthesizing micrograin tungsten carbide

Patents Applicationslast 30 patents

Rapid conversion of metal-containing compounds to form metal oxides

Rapid conversion of metal-containing compounds to form metals or me...