| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Sweden | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Italy | 2 | |
| #5 | Norway | 2 | |
| #6 | Canada | 1 | |
| #7 | Denmark | 1 | |
| #8 | Finland | 1 | |
| #9 | Japan | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Sawing | |
| #3 | Venting or aerating devices | |
| #4 | Pipes | |
| #5 | Woodworking tools | |
| #6 | Grinding tools | |
| #7 | Grinding or polishing devices | |
| #8 | Casting metal | |
| #9 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hofer Leo | 4 |
| #2 | Hofer L | 2 |
| #3 | Hofer Leopold | 2 |
| #4 | Siden Jan Erik | 1 |
| #5 | Oesfrand Lars-Goeran | 1 |
| #6 | Freese Lennart Werner | 1 |
| #7 | Freese Lennart W | 1 |
| #8 | Reo Hofueru | 1 |
| #9 | Wiklund T | 1 |
| #10 | Freese L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB2053066A | Shears for sheet metal cutting | |
| CA1031653A | Conduit arrangement with protection against rupture and leakage |