| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 22 | |
| #2 | France | 13 | |
| #3 | Switzerland | 12 | |
| #4 | United States | 8 | |
| #5 | Austria | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Macromolecular chemistry and polymers | |
| #5 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Grinding tools | |
| #2 | Shaping of plastics | |
| #3 | Grinding or polishing devices | |
| #4 | Special macromolecular compounds | |
| #5 | Presses | |
| #6 | Nails | |
| #7 | Gearing | |
| #8 | Electrically-conductive connections | |
| #9 | Metal-working | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Werner Osenberg | 8 |
| #2 | Bisterfeld Ernst | 5 |
| #3 | Dr Osenberg Werner Ing | 5 |
| #4 | Dr Osenberg Werner Prof Ing | 3 |
| #5 | Tscherning Kurt Dr | 2 |
| #6 | Dannenbaum Hans Dr | 2 |
| #7 | Glassmann Walter | 2 |
| #8 | Osenberg Werner Dr Ing | 2 |
| #9 | Krahl Martin | 1 |
| #10 | Erlemann Bernhard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2952103A | Grinding wheels with abrasive elements of rectangular shape | |
| US3026655A | Face grinding wheel | |
| US3023551A | Grinding wheel | |
| US2882655A | Grinding wheels with inserted tubular abrasive elements | |
| US2940226A | Fusion abrading process for surfaceworking flat and curved surfaces of metal bodies and apparatus for carrying out said process | |
| US2909417A | Manufacture of single or multi-stage grinding rings or the like | |
| US2826015A | Rotary grinding wheels | |
| US2812626A | Grinding tools for working materials of great strength and hardness | |
| GB372902A | A machine for producing moulded articles from artificial resins and the like |