| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 11 | |
| #2 | Switzerland | 5 | |
| #3 | Finland | 5 | |
| #4 | Norway | 4 | |
| #5 | Germany | 3 | |
| #6 | Spain | 3 | |
| #7 | Canada | 2 | |
| #8 | Denmark | 2 | |
| #9 | France | 2 | |
| #10 | United Kingdom | 2 | |
| #11 | United States | 2 | |
| #12 | Brazil | 1 | |
| #13 | EPO (European Patent Office) | 1 | |
| #14 | Italy | 1 | |
| #15 | Japan | 1 | |
| #16 | Netherlands | 1 | |
| #17 | Poland | 1 | |
| #18 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Transport | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Materials and metallurgy | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Ships | |
| #3 | Unspecified technologies | |
| #4 | Dynamo-electric machines | |
| #5 | Details of furnaces | |
| #6 | Foundry moulding |
| # | Name | Total Patents |
|---|---|---|
| #1 | Liberg Lars-Olof | 7 |
| #2 | Liberg L | 4 |
| #3 | Blomsten Bengt Gustav | 4 |
| #4 | Werkstads Aktiebolag Jonkoping | 3 |
| #5 | Blomsten B G | 3 |
| #6 | Liberg L-O | 2 |
| #7 | Ekman K G | 2 |
| #8 | Liberg L O | 1 |
| #9 | Wall B | 1 |
| #10 | Ekman Karl G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0043162A1 | Improvements in electrically powered, submersible centrifugal pumps | |
| JPS54133604A | Pump | |
| US3989070A | System for and method of carrying out wash-draining, after-draining and the like | |
| FI72376B | FOER PUMPNING AV I SYNNERHET CELLULOSA OCH ANDRA FIBERSUSPENSIONER OCH DYLIKT AVSEDD PUMP. | |
| CA979777A | Emptying system for liquid tanks | |
| US3895885A | Emptying system for fluid tanks |