| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | South Africa | 4 | |
| #3 | Canada | 3 | |
| #4 | United States | 3 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Chile | 1 | |
| #7 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Mechanical elements | |
| #3 | Transport | |
| #4 | Measurement | |
| #5 | Electrical machinery and energy | |
| #6 | Telecommunications | |
| #7 | Basic communication technologies | |
| #8 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Alarm systems | |
| #2 | Safety devices | |
| #3 | Traffic control systems | |
| #4 | Vehicle signalling and lighting | |
| #5 | Measuring electric variables | |
| #6 | Pulse technique | |
| #7 | Antennas | |
| #8 | Hats | |
| #9 | Magnets and transformers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frederick Larry D | 18 |
| #2 | Hammond Paul L | 6 |
| #3 | Medley Dwight | 2 |
| #4 | Hammond Paul | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2844335A1 | Proximity detection system with concurrent rf and magnetic fields |