| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | South Africa | 5 | |
| #3 | Canada | 4 | |
| #4 | Germany | 4 | |
| #5 | Japan | 3 | |
| #6 | United States | 3 | |
| #7 | Brazil | 2 | |
| #8 | EPO (European Patent Office) | 2 | |
| #9 | United Kingdom | 2 | |
| #10 | Austria | 1 | |
| #11 | Belgium | 1 | |
| #12 | Spain | 1 | |
| #13 | Indonesia | 1 | |
| #14 | Italy | 1 | |
| #15 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Grinding tools | |
| #2 | Sawing | |
| #3 | Skates | |
| #4 | Making screws | |
| #5 | Unspecified technologies | |
| #6 | Working stone | |
| #7 | Forging | |
| #8 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Suhrheinrich Rolf | 7 |
| #2 | Klein Norbert | 7 |
| #3 | Hardenbicker Hermann | 7 |
| #4 | Sinram Diethard Dr | 6 |
| #5 | Alfer Peter Dipl Ing | 6 |
| #6 | Schneider Theodor Dipl Ing | 6 |
| #7 | Strojny Werner | 4 |
| #8 | Becker Bruno | 3 |
| #9 | Emden Heinz | 3 |
| #10 | Rueggeberg Tom | 3 |
| Publication | Filing date | Title |
|---|---|---|
| JPH10249736A | Polishing wheel | |
| BR9701124A | Grinding wheel with an abrasive ring attached to a disc holder | |
| DE19541536A1 | Disc with stiffened support plate and abrasive ring for use in grinding | |
| DE4432168A1 | Flap grinding wheel | |
| DE4338492A1 | Cutting-off wheel for stationary grinding machines and their use | |
| DE4311529A1 | Grinding wheel for hand-held grinding machines, in particular cutting wheel | |
| GB1263889A | Abrasive sheet material |