Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719500 | Process for detecting metallic items including a search path defined by a linear movement with a superimposed rotational movement along a curved closed path | Ralph Koch, Jürgen Krämer, Bernhard Neumeyer, Rainer Ulbrich, Hanns-Peter Trinkaus +1 more | 1998-02-17 |
| 5469056 | Planar gradiometers arranged on non-parallel surfaces for determination of a gradient tensor of a magnetic field | Wolfgang Ludwig | 1995-11-21 |
| 5311129 | Local magnetic field measurement apparatus having gradiometers arranged on non-parallel, non-orthogonal surfaces | Wolfgang Ludwig | 1994-05-10 |
| 5005979 | Optical position detection | Heinz Sontag, Hartmut Elias, Wolfgang Ludwig, Walter Fritzsch, Rainer Hundhausen +1 more | 1991-04-09 |