| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Basic materials chemistry | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Keyes Frederick G | 10 |
| #2 | Ensign Emory S | 1 |
| #3 | Johnson Philip M | 1 |
| #4 | Ensing Emory S | 1 |
| #5 | Lunn John A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1662965A | Control system for refrigerating apparatus | |
| US1652773A | Contacting device | |
| US1698847A | Method of and apparatus for producing refrigeration and chemical compounds useful therein | |
| US1705484A | Fluid-storing material | |
| US1594787A | Electrical control system | |
| US1622723A | Valve | |
| US1622523A | Gas and liquids storing device | |
| US1665370A | Refrigerating apparatus | |
| US1622522A | Refrigeration | |
| US1705483A | Fluid-storing material | |
| US1705482A | Fluid-storing material | |
| US1622521A | Refrigeration | |
| US1622520A | Refrigerating machine | |
| US1622519A | Apparatus for producing refrigeration |