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Robert R. McDonald
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Holland, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Manifold 3-stage water filtration system with heavy metals removal
Patent number
10,829,400
Issue date
Nov 10, 2020
Aqua Clara International Incorporated
Robert Ramsey McDonald
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Chemical/biochemical water purification reactor and method of imple...
Patent number
9,120,684
Issue date
Sep 1, 2015
Robert R. McDonald
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of manufacturing molds, dies or forming tools having a porou...
Patent number
6,613,266
Issue date
Sep 2, 2003
Metallamics
Robert R. McDonald
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of preparing intermetallic alloys
Patent number
5,983,675
Issue date
Nov 16, 1999
Metallamics
Robert R. McDonald
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Construction and method of making heat-exchanging cast metal formin...
Patent number
5,832,981
Issue date
Nov 10, 1998
Metallamics, Inc.
Robert R. McDonald
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Intermetallic alloys for use in the processing of steel
Patent number
5,824,166
Issue date
Oct 20, 1998
Metallamics
Robert R. McDonald
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing molds, dies or forming tools having a cavit...
Patent number
5,783,259
Issue date
Jul 21, 1998
Metallamics, Inc.
Robert R. McDonald
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Molds, dies or forming tools having a cavity formed by thermal spra...
Patent number
5,746,966
Issue date
May 5, 1998
Metallamics, Inc.
Robert R. McDonald
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing molds, dies or forming tools having a cavit...
Patent number
5,609,922
Issue date
Mar 11, 1997
Robert R. McDonald
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Densification of ceramic-metal composites
Patent number
5,143,540
Issue date
Sep 1, 1992
The Dow Chemical Company
Aleksander J. Pyzik
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ductile Ni.sub.3 Al alloys as bonding agents for ceramic materials...
Patent number
5,015,290
Issue date
May 14, 1991
The Dow Chemical Company
Terry N. Tiegs
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Densification of ceramic-metal composites
Patent number
4,961,778
Issue date
Oct 9, 1990
The Dow Chemical Company
Aleksander J. Pyzik
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ductile Ni.sub.3 Al alloys as bonding agents for ceramic materials
Patent number
4,919,718
Issue date
Apr 24, 1990
The Dow Chemical Company
Terry N. Tiegs
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
MANIFOLD 3-STAGE WATER FILTRATION SYSTEM WITH HEAVY METALS REMOVAL
Publication number
20180050945
Publication date
Feb 22, 2018
Aqua Clara International Incorporated
Robert Ramsey McDonald
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CHEMICAL/BIOCHEMICAL WATER PURIFICATION REACTOR AND METHOD OF IMPLE...
Publication number
20120175310
Publication date
Jul 12, 2012
AQUA CLARA FOUNDATION INCORPORATED
Robert R. McDonald
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD OF MANUFACTURING MOLDS, DIES OR FORMING TOOLS HAVING A POROU...
Publication number
20030127775
Publication date
Jul 10, 2003
ROBERT R. MCDONALD
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Injection molding cooling core and method of use
Publication number
20020187217
Publication date
Dec 12, 2002
Robert R. McDonald
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Heat-exchanging forming tool and method of making
Publication number
20020025270
Publication date
Feb 28, 2002
Robert R. McDonald
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL