| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | United States | 3 | |
| #3 | Belgium | 2 | |
| #4 | Canada | 2 | |
| #5 | Switzerland | 2 | |
| #6 | France | 2 | |
| #7 | Norway | 2 | |
| #8 | Austria | 1 | |
| #9 | Germany | 1 | |
| #10 | Denmark | 1 | |
| #11 | United Kingdom | 1 | |
| #12 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Civil engineering | |
| #5 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Toys | |
| #2 | Nails | |
| #3 | Unspecified technologies | |
| #4 | General building constructions | |
| #5 | Machines | |
| #6 | Shafts | |
| #7 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Freese L | 4 |
| #2 | Freese Lennart Werner | 3 |
| #3 | Freese L W | 3 |
| #4 | Lennart Werner Freese | 2 |
| #5 | Freese Lennart W | 2 |
| #6 | Freese Lennart Dipl-Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4043613A | Hydrostatic bearing | |
| US3885459A | Telescopic piston-cylinder assembly for hydraulic machines and machinery components | |
| CA954377A | Hydraulic axial piston machine of the bent-axis type | |
| US3623261A | Building units with interlockable toothed edges |