Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538434 | Magnetically responsive device for measuring the thickness of magnetic films | Thomas Rohde | 2003-03-25 |
| 6065317 | Apparatus and procedure for manufacturing metallic hollow bodies with structural bulges | — | 2000-05-23 |
| 5964127 | Process and apparatus for manufacturing metallic hollow bodies with structural bulges | — | 1999-10-12 |
| 5953805 | Magnet field concentrator for shaping metal parts | — | 1999-09-21 |
| 5864274 | Magneto-mechanical power system | Dietrich Steingroever | 1999-01-26 |
| 5813264 | Method for forming a workpiece by a magnetic field generated by a current impulse | — | 1998-09-29 |
| 5684341 | Electromagnetic generator for fast current and magnetic field pulses, for example, for use in magnetic metal working | — | 1997-11-04 |
| 5586460 | Device with peak current loop and process for the magnetic shaping of metal parts | — | 1996-12-24 |
| 5452506 | Process for removing container seals | Udo Biedermann | 1995-09-26 |
| 5444963 | Process and equipment for shaping container seals | Udo Biedermann | 1995-08-29 |
| 5374915 | Magnetizing device for permanent magnet rings that are bipolar on the end faces or multipolar on the lateral faces | Dietrich Steingroever | 1994-12-20 |
| 5079534 | Electromagnet with press die and adjustable air gap | Dietrich Steingroever | 1992-01-07 |
| 4818305 | Process for the production of elongated articles, especially magnets, from hard powdered materials | — | 1989-04-04 |
| 4794358 | Magnetic field coil with disc-shaped conductor | Dietrich Steingroever | 1988-12-27 |
| 4782293 | Process for adjusting the magnetic field strength of permanent magnets | Dietrich Steingroever | 1988-11-01 |
| 4638280 | Multipolar magnetizing device provided with cooling means | Dietrich Steingroever | 1987-01-20 |
| 4625166 | Method for measuring magnetic potentials using hall probes | Dietrich Steingroever | 1986-11-25 |
| 4529954 | Magnetizing apparatus for anisotropic permanent magnets | Dietrich Steingroever | 1985-07-16 |
| 4470031 | Multipolar magnetizing device for permanent magnets | Dietrich Steingroever | 1984-09-04 |
| 4463313 | Field coil for use with potential coil for measuring inner field intensity of magnetic material | Dietrich Steingroever | 1984-07-31 |
| 4449095 | Process and apparatus for recording hysteresis curves of magnetic materials | Dietrich Steingroever | 1984-05-15 |
| 4384313 | Process for demagnetizing components by alternating magnetic fields of varying intensity | Dietrich Steingroever | 1983-05-17 |
| 4381492 | Apparatus for magnetizing multipolar permanent magnets | Dietrich Steingroever | 1983-04-26 |
| 4354218 | Process and apparatus for multi-polar magnetization of annular permanent magnets | Dietrich Steingroever | 1982-10-12 |
| 4331101 | Electrographic copying device with magnetic cylinder | Werner Muller | 1982-05-25 |