| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Foods | |
| #2 | Containers for goods storage | |
| #3 | Elevators and escalators | |
| #4 | Unspecified technologies | |
| #5 | Spark gaps and corona devices | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Winters Frederick V | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US1638384A | Vacuum-creating device | |
| US1619389A | Vacuum-creating instrument | |
| US1638383A | Vacuum-creating instrument | |
| US1638465A | Vacuum-creating device | |
| US1619388A | Vacuum-creating instrument | |
| US1595177A | Preserving jar | |
| US1588080A | Vacuum preserving device | |
| US1562857A | Preserving jar | |
| US1588079A | Vacuum preserving device | |
| US1572058A | Spark plug | |
| US1003566A | Shoe for elevator-guides. | |
| CA255720A | Vacuum preserving device | |
| CA256762A | Vacuum creating device | |
| CA259797A | Preserving jar |