Steingroever; Erich

Patent Applications and Registrations

Patent applications and USPTO patent grants for Steingroever; Erich.The latest application filed is for "process and apparatus for manufacturing metallic hollow bodies with structural bulges".

Company Profile

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Steingroever; Erich - Bonn DE
Steingroever; Erich - 5300 Bonn 1 DE
Steingroever; Erich - 53 Bonn DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Process and apparatus for manufacturing metallic hollow bodies with structural bulges Grant 5,964,127 - Steingroever October 12, 1	1999-10-12
Electromagnetic generator for fast current and magnetic field pulses, for example, for use in magnetic metal working Grant 5,684,341 - Steingroever November 4, 1	1997-11-04
Process and equipment for shaping container seals Grant 5,444,963 - Steingroever , et al. August 29, 1	1995-08-29
Electromagnet with press die and adjustable air gap Grant 5,079,534 - Steingroever , et al. January 7, 1	1992-01-07
Process for the production of elongated articles, especially magnets, from hard powdered materials Grant 4,818,305 - Steingroever April 4, 1	1989-04-04
Magnetic field coil with disc-shaped conductor Grant 4,794,358 - Steingroever , et al. December 27, 1	1988-12-27
Method for measuring magnetic potentials using hall probes Grant 4,625,166 - Steingroever , et al. November 25, 1	1986-11-25
Multipolar magnetizing device for permanent magnets Grant 4,470,031 - Steingroever , et al. September 4, 1	1984-09-04
Process for demagnetizing components by alternating magnetic fields of varying intensity Grant 4,384,313 - Steingroever , et al. May 17, 1	1983-05-17
Dual purpose electromagnetic thickness gauge Grant 3,986,105 - Nix , et al. October 12, 1	1976-10-12
Apparatus for measuring the hysteresis curve of magnetic bodies using a magnetic potential coil Grant 3,925,724 - Steingroever December 9, 1	1975-12-09
A.C. electromagnetic thickness gauge utilizing premagnetization of the gauge core to render sensitivity independent of thickness Grant 3,922,599 - Steingroever , et al. November 25, 1	1975-11-25
Method Of Ornamenting Articles By Means Of Magnetically Oriented Particles Grant 3,791,864 - Steingroever February 12, 1	1974-02-12
Low Saturation Pole Piece For A Magnetic Thickness Gauge Grant 3,761,804 - Steingroever September 25, 1	1973-09-25
Process For The Production Of Permanent Magnets From Anisotropic Permanent Magnet Powder Grant 3,596,350 - Steingroever August 3, 1	1971-08-03

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