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Richard P. Stoynoff
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Woodhaven, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for making a tube for a heat exchanger having a fin insert w...
Patent number
6,470,570
Issue date
Oct 29, 2002
Livernois Engineering Co.
Larry P. Prater
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for fin replacement in a heat exchanger tube
Patent number
6,286,201
Issue date
Sep 11, 2001
Livernois Research & Development Co.
Larry P. Prater
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Heat exchanger with turbulated louvered fin, manufacturing apparatu...
Patent number
5,738,169
Issue date
Apr 14, 1998
Livernois Research & Development Co.
Richard P. Stoynoff
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for roll forming convoluted springs
Patent number
5,732,584
Issue date
Mar 31, 1998
Livernois Research & Development Company
Larry Paul Prater
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Roll forming tool for manufacturing louvered serpentine fins
Patent number
5,682,784
Issue date
Nov 4, 1997
Livernois Research & Development Company
Richard P. Stoynoff
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Self-dispersing facilitating fluid forming roll
Patent number
5,664,450
Issue date
Sep 9, 1997
Livernois Research & Development Company
Richard P. Stoynoff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for making heat exchanger fins
Patent number
5,588,319
Issue date
Dec 31, 1996
Livernois Research & Development Company
Sabatino A. Bianchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
Serpentine fin with extended louvers for heat exchanger and roll fo...
Publication number
20040251004
Publication date
Dec 16, 2004
Livernois Engineering Company
Richard P. Stoynoff
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Exchanger of thermal energy with multiple cores and a thermal barrier
Publication number
20030075307
Publication date
Apr 24, 2003
Heatcraft, Inc.
Richard P. Stoynoff
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Method for making a heat exchanger with flattened tubes, the heat e...
Publication number
20010037559
Publication date
Nov 8, 2001
Larry P. Prater
F28 - HEAT EXCHANGE IN GENERAL