| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | Australia | 2 | |
| #4 | Brazil | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Argentina | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Cables and insulators | |
| #2 | Installation of electric cables | |
| #3 | Distribution of electric power | |
| #4 | Alarm systems | |
| #5 | Measuring electric variables | |
| #6 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Harben Michael | 13 |
| #2 | Patel Shashikant G | 1 |
| #3 | Thomas Clifford R | 1 |
| #4 | Johnson John P | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5679922A | Squirrel shield device | |
| CA2604429A1 | Squirrel shield device | |
| BR9407831A | Shielding device against squirrels | |
| US5481198A | Method and device for measuring corrosion on a portion of a metallic path carrying an undetermined load current | |
| US4868547A | Transformer alarm annunciator |