| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 49 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Electrically-conductive connections | |
| #2 | Electric switches | |
| #3 | Unspecified technologies | |
| #4 | Domestic washing | |
| #5 | Pipes | |
| #6 | Resistors | |
| #7 | Vehicle parts | |
| #8 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Penfold Charles S | 13 |
| #2 | Johnson Elmer E | 9 |
| #3 | Bolley Herschel C | 6 |
| #4 | Drury Thomas W | 6 |
| #5 | Fay Beal | 4 |
| #6 | Foster William M | 3 |
| #7 | Baumgardner Earl J | 3 |
| #8 | William Schmid | 3 |
| #9 | Brailsford George H | 2 |
| #10 | White Jesse M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2461028A | Electric switch | |
| US2457488A | Lamp socket and resistor | |
| US2516907A | Coupling | |
| US2444892A | Coupling | |
| US2444888A | Coupling | |
| US2413135A | Electric switch | |
| US2461024A | Coupling device | |
| US2346831A | Electrical connection means | |
| US2458097A | Electrical connection means | |
| US2414713A | Electric switch | |
| US2378853A | Ignition switch | |
| US2384287A | Junction block | |
| US2361448A | Electrical connection means | |
| US2360809A | Lamp socket unit | |
| US2348519A | Electric switch | |
| US2431583A | Electrical connection means | |
| US2375891A | Resistance switch | |
| US2280352A | Method of swaging | |
| US2318651A | Electrical connection means | |
| US2357955A | Lamp socket unit |