| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 20 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Accessories for machine tools | |
| #2 | Unspecified technologies | |
| #3 | Vehicle wheels | |
| #4 | Milling | |
| #5 | Turning | |
| #6 | Shafts | |
| #7 | Lubricating | |
| #8 | Gearing | |
| #9 | Thread cutting | |
| #10 | Sawing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kopp Fritz | 5 |
| #2 | Bregenzer Kurt | 3 |
| #3 | Fritz Kopp | 2 |
| #4 | Kurt Bregenzer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB790532A | Carriage mounting in machine tools, especially milling or planing machines | |
| US2897651A | Hydraulic feed control for profiling machines and the like | |
| GB794283A | Improvements in or relating to copy milling machines | |
| GB450016A | Improvements in milling, grinding, or like machines for cutting profiled forms | |
| GB329895A | Improvements in vehicle wheels | |
| US1750407A | Wheel |