| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Switzerland | 1 | |
| #5 | Denmark | 1 | |
| #6 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Foods and drinks | |
| #3 | Packaging and shipping | |
| #4 | Machines | |
| #5 | Engines, pumps and turbines | |
| #6 | Mechanical elements | |
| #7 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Ice-boxes | |
| #2 | Foods | |
| #3 | Food preservation | |
| #4 | Unspecified technologies | |
| #5 | Containers for goods storage | |
| #6 | General building constructions | |
| #7 | Non-positive-displacement pumps | |
| #8 | Compressed gas holders |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gerrit Steenhagen | 2 |
| #2 | Morrison Willard L | 2 |
| #3 | Macintosh Hamish K | 2 |
| #4 | Hart James D | 1 |
| #5 | Ellis Herbert B | 1 |
| #6 | Kerr Macintosh Hamish | 1 |
| #7 | James Hart Dudley | 1 |
| #8 | Carter James M | 1 |
| #9 | Hamish Kerr Macintosh | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3531946A | Cryogenic-mechanical refrigeration apparatus | |
| US3255608A | Liquid nitrogen immersion and spray freezing machine | |
| US3238736A | Liquid nitrogen freezing system | |
| US3206805A | Insulated wall structure | |
| US3191793A | Insulated collapsible shipper container | |
| US3302815A | Insulated shipper container | |
| US3166913A | Method for refrigerating | |
| US3174299A | Refrigeration system employing a liquified gas | |
| US3150597A | Liquid pump |