| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 6 | |
| #2 | China | 3 | |
| #3 | Italy | 3 | |
| #4 | United States | 3 | |
| #5 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Pistons and sealings | |
| #3 | Dynamo-electric machines | |
| #4 | Unspecified technologies | |
| #5 | Measuring speed and acceleration | |
| #6 | Gearing | |
| #7 | Unspecified technologies | |
| #8 | Analysing materials | |
| #9 | Nails | |
| #10 | Marine propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hallerbaeck S L | 2 |
| #2 | Zarka Zhozef | 1 |
| #3 | Manna Nirss | 1 |
| #4 | Birdsteng Kristian | 1 |
| #5 | Camosso D | 1 |
| #6 | Martini David | 1 |
| #7 | Hallerback S | 1 |
| #8 | Johnson Pole Worav | 1 |
| #9 | Ordaniaoto Paul | 1 |
| #10 | Bildtsen S C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN1163359A | Method and device foraxially fixing circular part on shaft | |
| US3772542A | Electric motor driven tool | |
| US3753604A | Pressure fluid distributor at an hydrostatic bearing |