Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5377457 | Method for generating of gear-shaped precision-working tools, in particular for regrinding shaving gears, and a gear-shaped tool, in particular a shaving gear, to which the method can be applied | Manfred Erhardt | 1995-01-03 |
| 5343656 | Grinding tool and the like made of a ceramic material coated with extremely hard abrasive granules | Manfred Erhardt, Gerhard Reichert | 1994-09-06 |
| 5129185 | Method for the precision working of the tooth flanks of particularly hardened gears | Manfred Erhardt, Gerhard Reichert, Josef Lohrer | 1992-07-14 |
| 5074080 | Tool for the precision working of tooth flanks of hardened gears | Manfred Erhardt, Gerhard Reichert, Josef Lohrer | 1991-12-24 |
| 4976044 | Scanner head for a tooth-flank scanning device | Manfred Erhardt | 1990-12-11 |
| 4799473 | Gearlike dressing tool | Manfred Erhardt | 1989-01-24 |
| 4776137 | Method for manufacturing and working of gears | Manfred Erhardt | 1988-10-11 |
| 4757644 | Method and apparatus for manufacturing and machining gears | Manfred Erhardt | 1988-07-19 |
| 4748772 | Apparatus for the precision working of the tooth system of bevel gears | Manfred Erhardt | 1988-06-07 |
| 4694617 | Method for the precision working of the tooth system of bevel gears | Manfred Erhardt | 1987-09-22 |
| 4689918 | Apparatus for manufacturing and working of gears | Manfred Erhardt | 1987-09-01 |
| 4677962 | Gearlike tool for dressing abrasive, gearlike, precision machining tools | Manfred Erhardt | 1987-07-07 |
| 4649671 | Method for the precision working of the flanks of gears with a gear-shaped tool coated with hard-material granules and a method for dressing such a tool | Manfred Erhardt, Gerhard Reichert | 1987-03-17 |
| 4633619 | Apparatus for the manufacture or machining of gears by rolling on a tool having abrasive working surfaces | Manfred Erhardt, Gerhard Reichert | 1987-01-06 |
| 4630402 | Apparatus for the manufacture or machining of straight or helically toothed workpieces | Manfred Erhardt, Josef Lohrer, Udo Schapp, Karl Schaeferling, Walter Freundl | 1986-12-23 |
| 4630404 | Apparatus for manufacturing and machining gears | Manfred Erhardt | 1986-12-23 |
| 4602458 | Apparatus for the manufacture or working of gears | Manfred Erhardt | 1986-07-29 |
| 4334810 | Gear deburring apparatus and method | Horst Behnke, Udo Luhmer, Manfred Heckmaier, Rudolf Kerschl | 1982-06-15 |
| 4190387 | Apparatus and tool for precision working, particularly shaving, of gears | Manfred Heckmaier, Gerhard Reichert | 1980-02-26 |