| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 17 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Electrically-conductive connections | |
| #2 | Unspecified technologies | |
| #3 | Kitchen equipment | |
| #4 | Unspecified technologies | |
| #5 | Electric switches | |
| #6 | Nails | |
| #7 | Producing goods from plastic | |
| #8 | Certain plastics | |
| #9 | Fillers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Herman William P | 21 |
| #2 | Kenneth Hobson Thomas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2814789A | Female connector | |
| US2327891A | Turn knob | |
| US2334626A | Assembly machine | |
| US2406144A | Contact blade assembly | |
| US2318485A | Female connector | |
| US2318484A | Cube tap | |
| US2226433A | Multiple connector | |
| US2283807A | Electrical plug and contactor therefor | |
| US2278176A | Apparatus for assembly of connector plugs | |
| US2191386A | Female contact plug | |
| US2297622A | Manufacture of rubber thread | |
| US2210215A | Multiple service tap | |
| US2249827A | Multiple pole plug | |
| US2248082A | Contact plug assembly | |
| US2138919A | Plug socket construction | |
| US1956288A | Fruit juice extractor | |
| US1969006A | Fruit juice extractor | |
| CA402592A | Multiple service tap | |
| CA379966A | Connector plug assembly apparatus | |
| CA384208A | Contact plug |