| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 6 | |
| #2 | Germany | 4 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Thermal processes | |
| #3 | Mechanical elements | |
| #4 | Electrical machinery and energy | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Hot gas positive-displacement engine plants | |
| #2 | Refrigerators | |
| #3 | Dynamo-electric machines | |
| #4 | Machines | |
| #5 | Heat-exchange device details | |
| #6 | Compressed gas holders | |
| #7 | Springs | |
| #8 | Shafts | |
| #9 | Servomotors | |
| #10 | Ice-boxes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berchowitz David M | 7 |
| #2 | Kwon Yong-Rak | 2 |
| #3 | Ito Kanya | 1 |
| #4 | Kiikka Dale E | 1 |
| #5 | Evan Kiikka Dale | 1 |
| #6 | Mamoru Saito | 1 |
| #7 | Mash Ii Robert Lee | 1 |
| #8 | Yoshida Katsuhiko | 1 |
| #9 | Yong-Rak Kwon | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN103890365A | Free-piston stirling machine in an opposed piston gamma configuration having improved stability, efficiency and control | |
| CN1526060A | Condenser, evaporator and cooling device |