Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5032453 | Insulating tape for making an impregnated insulating sleeve for electric conductors | Walter Ihlein, Guenter Suchardt | 1991-07-16 |
| 4969711 | Optical glass fiber with a primary coating of acrylic acid ester groups-containing organo-polysiloxanes | Helmut Markert, Christian Weitemeyer, Dietmar Wewers, Goetz Koerner | 1990-11-13 |
| 4929051 | Optical glass fiber with a primary coating of organo-polysiloxanes containing acrylic acid ester groups | Christian Weitemeyer, Dietmar Wewers, Frederic Zapf, Bernhard Stapp | 1990-05-29 |
| 4636556 | Heat-hardening reaction resin mixture for impregnating insulation of electrical equipment and for the manufacture of molding materials with and without inserts | Walter Ihlein | 1987-01-13 |
| 4631306 | Method for the manufacture of molded materials | Helmut Markert, Klaus-Robert Hauschildt, Klaus Kretzschmar | 1986-12-23 |
| 4582723 | Heat-hardenable reaction resin mixtures for impregnating and embedding | Helmut Markert, Klaus Kretzschmar, Wolfgang Bendel | 1986-04-15 |
| 4576768 | Method for impregnating and embedding electrical windings | Helmut Markert, Wolfgang Bendel, Friedrich Alber | 1986-03-18 |
| 4564651 | Method for the manufacture of reaction resin molding materials | Helmut Markert, Klaus Kretzschman, Klaus-Robert Hauschildt | 1986-01-14 |
| 4562227 | Heat-hardenable reaction resin mixtures comprising polyfunctional epoxide, polyisocyanate prepolymer and a reaction accelerator which is either a tertiary amine or an imidazole | Helmut Markert, Klaus Kretzschmar, Gerhard Piecha | 1985-12-31 |
| 4283505 | Method for cross-linking and stabilizing polymers which can be cross-linked radically | Wolfgang Kleeberg, Wolfgang V. Gentzkow, Roland Rubner | 1981-08-11 |