| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 4 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Turning | |
| #4 | Springs | |
| #5 | Metal-working | |
| #6 | Accessories for machine tools | |
| #7 | Working stone | |
| #8 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kleine Werner | 4 |
| #2 | Kleine Werner Dipl Ing | 3 |
| #3 | Mim Franz | 2 |
| #4 | Dellenberg Hugo | 1 |
| #5 | Mim F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2852520A1 | VIBRATION DAMPER FOR ROTATING DRILL TUBES ON DEEP DRILLING MACHINES | |
| DE2807197A1 | DRILL HEAD OF A ROTARY IMPACT DRILL | |
| DE2807198A1 | Cup-shaped boring tool mfr. - in which cutters are welded onto rim of cup and end of central drill | |
| DE2807156A1 | ROCK DRILLS | |
| GB1427895A | Combined rough machining and smoothing roller boring tool |