Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723337 | Method for measuring and controlling the oxygen concentration in silicon melts and apparatus therefor | Rainer Marten, Albrecht Seidl | 1998-03-03 |
| 5582361 | Support roller for paper-winding machine | Reinhard Hehner | 1996-12-10 |
| 5499778 | Sound-dampened paper-winding machine | Reinhard Hehner | 1996-03-19 |
| 5328136 | Method and device for positioning the beginning of a web of material, especially a web of paper, against the roll of a winder from below | Heinz Hofferberth | 1994-07-12 |
| 5322233 | Guide head for heavy winding rolls | Reinhard Hehner, Ewald G. Welp | 1994-06-21 |
| 5129829 | Socket for a miniature incandescent lamp | Werner Arnold | 1992-07-14 |
| 5074243 | Method and device for coating webs of material, especially webs of paper or cardboard | Reinhard Knop, Herbert Sommer | 1991-12-24 |
| 5000395 | Apparatus for inserting a winding sleeve or core into a winding machine | Ewald G. Welp, Waldemar Neumann, Reinhold Hehner, Hartmut Dropczynski, Luzian Kies | 1991-03-19 |
| 4920913 | Device for coating a web of material | Reinhard Knop, Herbert Sommer | 1990-05-01 |
| 4909454 | Apparatus for inserting a winding sleeve or core into a winding machine | Ewald G. Welp, Waldemar Neumann, Reinhald Hehner, Hartmut Dropczynski, Luzian Kies | 1990-03-20 |
| 4846417 | Method of and apparatus for the feeding of a paper web to a roll-making machine | Gerhard Buschmann, Peter Hoffmann | 1989-07-11 |
| 4824039 | Apparatus for applying a paper web to the underside of a roll-making drum | Gerhard Buschmann, Peter Hoffmann | 1989-04-25 |
| 4638657 | Device for measuring the winding hardness of a strip, especially a strip of paper, wound into a reel | Gerhard Buschmann | 1987-01-27 |
| 4406930 | Trolley wire section insulator with two parallel insulating sliding strips | Hermann Menhorn, Christoph Nitschke, Helmut Wehrberger, Klaus Kaesewinkel | 1983-09-27 |