Membership
Tour
Register
Log in
Siegfried Frei
Follow
Person
Gallen, CH
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for applying a strip-shaped powder layer onto a weld seam...
Patent number
4,696,253
Issue date
Sep 29, 1987
Siegfried Frei
Siegfried Frei
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method and apparatus for applying strip-shaped powder layer to a ca...
Patent number
4,661,379
Issue date
Apr 28, 1987
Frei; Siegfried
Siegfried Frei
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method for bringing together the edges of a blank of sheet metal ro...
Patent number
4,635,841
Issue date
Jan 13, 1987
Cantec, Inc.
Siegfried Frei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of and arrangement for applying a strip-shaped powder layer...
Patent number
4,588,605
Issue date
May 13, 1986
Siegfried Frei
Siegfried Frei
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Cans formed of thin-walled material and apparatus for forming preci...
Patent number
4,538,439
Issue date
Sep 3, 1985
Cantec, Incorporated
Siegfried Frei
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Strengthened can bodies of thin-walled metal
Patent number
4,512,490
Issue date
Apr 23, 1985
Cantec, Inc.
Siegfried Frei
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for beading the bodies of sheet metal cans
Patent number
4,487,048
Issue date
Dec 11, 1984
Cantec Inc.
Siegfried Frei
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for applying a protective coating to the seam of welded c...
Patent number
4,389,964
Issue date
Jun 28, 1983
Frei AG Maschinenbau
Siegfried Frei
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Apparatus for applying a protective coating to the welded seam of a...
Patent number
4,249,476
Issue date
Feb 10, 1981
Paul Opprecht
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...