Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7226011 | Stacker reclaimer method and apparatus | Helmut Wolf | 2007-06-05 |
| 7000757 | Stacker reclaimer apparatus | Helmut Wolf | 2006-02-21 |
| 5883216 | Blocked polyisocyanates containing amide/imide groups and their use in stoving lacquers | Reinhard Halpaap, Jan Mazanek, Hans-Ulrich Meier-Westhues | 1999-03-16 |
| 5126422 | Coating compositions and coated heat-resistant substrates prepared therefrom | Reinhard Halpaap, Willi Dunwald, Holger Casselmann | 1992-06-30 |
| 5071938 | Polyisocyanates, a process for their preparation and their use in stoving lacquers | Reinhard Halpaap, Wilhelm Dunwald, Holger Casselmann | 1991-12-10 |
| 5061515 | Lacquer binders, a process for coating heat resistant substrates and the coated substrates | Willi Dunwald | 1991-10-29 |
| 4954577 | Lacquer binders, coating compositions and wire enamels based on polyamideimides and isocyanates carrying carbodiimide and/or uretone imine groups | Willi Dunwald, Reinhard Halpaap, Josef Pedain | 1990-09-04 |
| 4863466 | Intra-ocular implant lens | — | 1989-09-05 |
| 4853261 | Process for the preparation of coatings with hydantoin structures by the reaction of compounds containing carbodiimide groups with unsaturated carboxylic acids | Willi Dunwald, Reinhard Halpaap, Josef Pedain | 1989-08-01 |
| 4706669 | Device for perforating the lens capsule front wall in the eye of living beings | — | 1987-11-17 |
| 4673406 | One-piece implantation lens | — | 1987-06-16 |
| 4629060 | Apparatus for handling bulk material | Helmut Wolf | 1986-12-16 |
| 4424597 | Posterior chamber implant lens | — | 1984-01-10 |
| 4407875 | Tableware and decorative articles with a surface of silver | Theodor Nowotny, Rolf Mayer | 1983-10-04 |
| 4363396 | Device for building-up and discharging an annular dump of bulk material | Helmut Wolf | 1982-12-14 |
| 4333561 | Elevator head material guide means | — | 1982-06-08 |
| 4297175 | Process for partially electroplating flat silver | Theodor Nowotny | 1981-10-27 |