| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | China | 4 | |
| #4 | Germany | 4 | |
| #5 | Canada | 3 | |
| #6 | India | 3 | |
| #7 | Brazil | 2 | |
| #8 | Poland | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Surface technology and coating | |
| #3 | Consumer goods | |
| #4 | Measurement | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices | |
| #2 | Grinding tools | |
| #3 | Coating metallic material | |
| #4 | Personal adornments | |
| #5 | Mechanically-driven clocks | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Winter Ernst Michael | 17 |
| #2 | Wiemann Hans-Joachim | 11 |
| #3 | Winter Ernst-Michael | 9 |
| #4 | Matthee Thorsten | 8 |
| #5 | Schaefer Lothar | 5 |
| #6 | Schafer Lothar | 3 |
| #7 | Wiemann Hans-Joachim Dr | 2 |
| #8 | Matthee Thorsten Dr | 1 |
| #9 | Matthee T | 1 |
| #10 | Wiemann Hans Joachim | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6447561B1 | Abrasive body | |
| WO9955188A1 | Ornamental stones | |
| CN1241120A | Decorative stone | |
| EP0897328A1 | Abrasive body | |
| DE19800250A1 | Grinding disc for optical lenses, fine stones, marble, wood, metal, plastics etc. | |
| DE19716560A1 | Grinding body especially for glass grinding disc | |
| DE4402287A1 | Gear-shaped diamond dressing roller | |
| DE4339326A1 | Dressing roller for grinding discs |