Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11333220 | Ratcheting chain/cable tightener | — | 2022-05-17 |
| 10710846 | Stop ring having a support eye lug used to suspend a stopping means or lashing means | — | 2020-07-14 |
| 4735304 | Scraper-chain conveyor channel section | Gunther-Dietmar Schoop, Franz Roling, Bernd Steinkuhl | 1988-04-05 |
| 4733771 | Connection devices for interconnecting the pans of scraper-chain conveyors | Dieter Grundken | 1988-03-29 |
| 4718542 | Fixing of attachments to the side walls of the pans of scraper-chain conveyors | Helmut Temme | 1988-01-12 |
| 4705160 | Scraper-chain conveyors for mineral mining | Dieter Grundken, Hartmut Schewinski | 1987-11-10 |
| 4667811 | Channel sections of scraper-chain conveyors | Gunther-Dietmar Schoop, Franz Roling, Dieter Grundken, Hartmut Schewinski, Helmut Temme | 1987-05-26 |
| 4658952 | Scraper-chain conveyor channel section | Dieter Grundken, Franz Roling, Michael Sauer, Gunther-Dietmar Schoop | 1987-04-21 |
| 4646905 | Retaining element | Dieter Grundken | 1987-03-03 |
| 4632239 | Scraper-chain conveyor channel section | Gunther-Dietmar Schoop, Franz Roling, Dieter Grundken, Hartmut Schewinski, Michael Sauer | 1986-12-30 |
| 4479575 | Retaining device | Dieter Gr/u/ ndken, Reinhold Br/u/ ggemann, Horst Linke | 1984-10-30 |
| 4444304 | Scraper chain conveyor channel section | Dieter Grundken, Volker Behm | 1984-04-24 |
| 4437564 | Conveyor drive frame | Horst Linke, Dieter Grundken, Helmut Temme | 1984-03-20 |
| 4346801 | Lubricating sprocket drum mounting | Dieter Grundken | 1982-08-31 |