| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 16 | |
| #2 | China | 2 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Engines, pumps and turbines | |
| #3 | Medical technology | |
| #4 | Consumer goods | |
| #5 | Digital networks | |
| #6 | Measurement | |
| #7 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Refrigerators | |
| #2 | Pumps | |
| #3 | Machines | |
| #4 | Diagnosis and surgery | |
| #5 | Rotary-pistons | |
| #6 | Ice-boxes | |
| #7 | Hot gas positive-displacement engine plants | |
| #8 | Compressed gas holders | |
| #9 | Measuring electric variables | |
| #10 | Digital information transmission |
| # | Name | Total Patents |
|---|---|---|
| #1 | Longsworth Ralph C | 11 |
| #2 | Longsworth Ralph | 8 |
| #3 | Dunn Stephen | 2 |
| #4 | Gandla Santhosh Kumar | 1 |
| #5 | Sloan R Bruce | 1 |
| #6 | Hollabaugh Craig | 1 |
| #7 | Borchers John | 1 |
| #8 | Seitz Eric Robert | 1 |
| #9 | Ash Gary S | 1 |
| #10 | Longsworth Ralph Cady | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20200128758A | Heat station for cooling circulating cryogen | |
| KR20190089230A | System for heating and cooling superconducting magnets | |
| KR20180079473A | Brayton cycle engine | |
| WO2012047838A1 | Fast cool down cryogenic refrigerator | |
| CN103249914A | Gas balanced cryogenic expansion engine |