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Erich Steingroever
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Bonn, DT
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last 30 patents
Information
Patent Grant
Method of making permanent magnets
Patent number
4,063,970
Issue date
Dec 20, 1977
Magnetfabrik Bonn G.m.b.H. vormals Gewerkschaft Windhorst
Erich A. Steingroever
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for automatically magnetizing permanent magnet bodies, me...
Patent number
4,058,763
Issue date
Nov 15, 1977
Elektro-Physik Hans Nix & Dr. -Ing. Erich Steingroever KG
Erich Steingroever
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and process for multipolar magnetization of magnetic info...
Patent number
4,021,763
Issue date
May 3, 1977
Elektro-Physik, Hans Nix & Dr.-Ing. E. Steingroever KG
Erich Steingroever
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing crystal-oriented permanent magnets
Patent number
3,985,596
Issue date
Oct 12, 1976
Magnetfabrik Bonn GmbH vorm. Gewerkschaft Windhorst
Erich Steingroever
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dual purpose electromagnetic thickness gauge
Patent number
3,986,105
Issue date
Oct 12, 1976
Elektro-Physik, Hans Nix & Dr.-Ing. E. Steingroever KG
Hans F. Nix
G01 - MEASURING TESTING
Information
Patent Grant
Process for molding ring magnets for radially oriented particles
Patent number
3,985,843
Issue date
Oct 12, 1976
Magnetfabrik Bonn GmbH vorm. Gewerkschaft Windhorst
Erich Steingroever
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus for measuring the internal field intensity of magnet bodies
Patent number
3,976,935
Issue date
Aug 24, 1976
Elektro-Physik, Hans Nix & Dr.-Ing. E. Steingroever KG
Erich Steingroever
G01 - MEASURING TESTING