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James E. Kowalczyk
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Saginaw, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Vent scraping apparatus for a carbonizing machine
Patent number
8,323,455
Issue date
Dec 4, 2012
Fred L. Jones
B08 - CLEANING
Information
Patent Grant
Methods of making tooling to be used in high temperature casting an...
Patent number
6,470,550
Issue date
Oct 29, 2002
Shear Tool, Inc.
James E. Kowalczyk
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Methods of constructing drive elements including paddle and shaft a...
Patent number
5,439,286
Issue date
Aug 8, 1995
APV Chemical Machinery Inc.
James E. Kowalczyk
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
High horsepower hydraulically driven continuous mixing and processi...
Patent number
5,344,230
Issue date
Sep 6, 1994
APV Chemical Machinery Inc.
James E. Kowalczyk
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Methods of constructing paddle and shaft assemblies for twin screw...
Patent number
5,304,000
Issue date
Apr 19, 1994
APV Chemical Machinery Inc.
James E. Kowalczyk
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for processing potentially explosive and sensi...
Patent number
5,129,304
Issue date
Jul 14, 1992
APV Chemical Machinery Inc.
Bernard A. Loomans
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of continuously carbonizing primarily organic waste material
Patent number
5,017,269
Issue date
May 21, 1991
APV Chemical Machinery Inc.
Bernard A. Loomans
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method and apparatus for processing potentially explosive and sensi...
Patent number
4,945,807
Issue date
Aug 7, 1990
APV Chemical Machinery, Inc.
Bernard A. Loomans
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of continuously carbonizing a mixture of primarily organic w...
Patent number
4,908,104
Issue date
Mar 13, 1990
APV Chemical Machinery Inc.
Bernard A. Loomans
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Self-wiping continuous mixer with enlarged bore section
Patent number
4,826,323
Issue date
May 2, 1989
APV Chemical Machinery Inc.
Bernard A. Loomans
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Mixing and extruding apparatus and methods
Patent number
4,744,669
Issue date
May 17, 1988
Baker Perkins, Inc.
James E. Kowalczyk
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Remotely transmitting batch mixer
Patent number
4,704,035
Issue date
Nov 3, 1987
Baker Perkins, Inc.
James E. Kowalczyk
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Methods of making wear resistant tooling systems to be used in high...
Publication number
20030106198
Publication date
Jun 12, 2003
Shear Tool, Inc.
James E. Kowalczyk
B22 - CASTING POWDER METALLURGY