| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 2 | |
| #3 | China | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 | |
| #6 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Electrical machinery and energy | |
| #3 | Telecommunications | |
| #4 | Medical technology | |
| #5 | Packaging and shipping | |
| #6 | Furniture and games | |
| #7 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Measuring electric variables | |
| #2 | Hairstyling and cosmetic | |
| #3 | Special furniture | |
| #4 | Lighting device details | |
| #5 | Closing and opening bottles | |
| #6 | Transmission | |
| #7 | Implantable devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stewart William L | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US7132950B2 | Power management method and system | |
| US6765479B2 | Magnetic field based power transmission line communication method and system | |
| US2460548A | Comb | |
| US2478509A | Can opener | |
| US2115048A | Refrigerated display stand | |
| US1435427A | Lamp | |
| US1258162A | Artificial ear-drum. | |
| CA548632A | Fuel oil vaporizer |