Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841073 | Radical anion salts of derivatives of 1,4,5,8-naphthalenetetracarboxylic acid and their use | Tillmann Hassel, Jurgen Hocker, Gerhard Heywang, Hans Muller | 1989-06-20 |
| 4780255 | Synthetic resin parts with quasi dielectric isotropic structure | Hans-Werner Depcik, Helmut Schmid, Ulrich Schutz | 1988-10-25 |
| 4572960 | Use of metallized knitted net fabrics for protection against microwave radiation | Harold Ebneth, Gerhard D. Wolf, Henning Giesecke | 1986-02-25 |
| 4471015 | Composite material for shielding against electromagnetic radiation | Harold Ebneth, Wolfgang Oberkirch | 1984-09-11 |
| 4439292 | Treatment of perfluorinated polymer membranes containing carboxyl groups | Helmut Klotz | 1984-03-27 |
| 4439768 | Metallized sheet form textile microwave screening material, and the method of use | Harold Ebneth | 1984-03-27 |
| 4435465 | Composite material for shielding against electromagnetic radiation | Harold Ebneth, Wolfgang Oberkirch | 1984-03-06 |
| 4420757 | Metallized sheet form textile material and method of making same | Harold Ebneth | 1983-12-13 |
| 4385102 | Large-area photovoltaic cell | Harold Ebneth | 1983-05-24 |
| 4368319 | Electrically conductive cyclic polyimides | Jurgen Hocker, Rudolf Merten | 1983-01-11 |
| 4320403 | Use of metallized sheet-form textile materials as reflection and polarization control media for microwaves | Harold Ebneth | 1982-03-16 |
| 4270083 | Microwave moisture measuring instrument with switchable measuring regions | Jorg M. Soder, Franz Schmitt, Norbert Bollongino, Helmut Rehrmann | 1981-05-26 |
| 4211970 | Apparatus for determining the water content of isotropic materials | Franz Schmitt, Norbert Bollongino, Helmut Rehrmann | 1980-07-08 |
| 4206399 | Apparatus for determining the water content of isotropic materials by means of microwave absorption | Franz Schmitt, Norbert Bollongino, Helmut Rehrmann | 1980-06-03 |
| 4203067 | Apparatus for determining the water content of isotropic materials by means of microwave absorption | Franz Schmitt, Norbert Bollongino, Helmut Rehrmann | 1980-05-13 |