| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Germany | 4 | |
| #3 | United States | 2 | |
| #4 | Switzerland | 1 | |
| #5 | Finland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Engines, pumps and turbines | |
| #3 | Audio-visual technology | |
| #4 | Telecommunications | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Lubricating of machines | |
| #2 | Fuels | |
| #3 | Special lubricating compositions | |
| #4 | Lubricating compositions | |
| #5 | General building constructions | |
| #6 | Antennas | |
| #7 | Casings and printed circuits |
| # | Name | Total Patents |
|---|---|---|
| #1 | Julius Clementson Johan Ferdin | 2 |
| #2 | Juliu Clementson Johan Ferdina | 1 |
| #3 | Clementson C S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2194007A | Lubricant-feeding apparatus for internal combustion engines | |
| US2086313A | Lubricating apparatus | |
| DE676213C | Lubricants for internal combustion engines |