Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10549392 | Hammering device for influencing workpieces | Stefan Zenk | 2020-02-04 |
| 9616546 | Rolling tool | Wolfgang Römpp, Siegfried Gruhler | 2017-04-11 |
| 9321135 | Fluidostatic rolling device for surface processing and method for shaping the edge layer | — | 2016-04-26 |
| 9308586 | Paring tool, method for producing a cylinder unit and lathe | — | 2016-04-12 |
| 9120198 | Rolling body guide with a separately exchangeable rolling body as well as a receiving section and a rolling tool with an associated exchange method | — | 2015-09-01 |
| 6755065 | Method of and tool for rolling a workpiece, and arrangement of a rolling tool and a workpiece | — | 2004-06-29 |
| 6711976 | Skiving head and process for skiving cylinders and cylinder tubes | — | 2004-03-30 |
| 4947668 | Rolling milling tool | — | 1990-08-14 |
| 4922739 | Roller milling tool unit for a milling machine tool | — | 1990-05-08 |
| 4878548 | Nozzle retention system for a drill bit | Robert Iversen, Craig R. Hyland, Kenneth D. Enever, Steven R. Radford | 1989-11-07 |
| 4875531 | Core drilling tool with direct drive | Johann Biehl | 1989-10-24 |
| 4854403 | Stabilizer for deep well drilling tools | Hans Schillinger | 1989-08-08 |
| 4497383 | Undercutting device for anchor holes | — | 1985-02-05 |
| 4194582 | Double acting shock absorbers for drill strings | — | 1980-03-25 |