| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Basic materials chemistry | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Chemical or physical processes | |
| #3 | Purifying gas composition |
| # | Name | Total Patents |
|---|---|---|
| #1 | Salomonsson Gosta J W | 4 |
| #2 | Salomonsson Dr-Ing Goesta Joha | 3 |
| #3 | Ljungstroem Dr-Ing H C Fredrik | 3 |
| #4 | Eurenius Malte Oscar | 2 |
| #5 | Persson Bengt | 2 |
| #6 | Ljungstrom Fredrik | 2 |
| #7 | Eurenius Malte O | 1 |
| #8 | Hammar Carl Gustaf Bertil Dr T | 1 |
| #9 | Brandberg Ake R L | 1 |
| #10 | Dr Techn Carl Gustaf Bertil Ha | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA610346A | Method of driving holes in bituminous strata | |
| CA629613A | Retort furnace for pyrolysis of fuels | |
| CA619630A | Heating fuel-containing deposits | |
| CA627125A | Oil and gas recovery from tar sands | |
| CA601006A | Method for the in-situ utilization of fuels | |
| CA634578A | Method of recovering oil from oil sands | |
| CA619632A | Formation heater | |
| CA573489A | Oil and gas from bituminous formations |