| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Argentina | 1 | |
| #3 | China | 1 | |
| #4 | German Democratic Republic | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Spain | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Greece | 1 | |
| #9 | Ireland | 1 | |
| #10 | Israel | 1 | |
| #11 | India | 1 | |
| #12 | New Zealand | 1 | |
| #13 | Portugal | 1 | |
| #14 | United States | 1 | |
| #15 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #16 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Unspecified technologies | |
| #3 | AC and DC conversion devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Clark Peter Bruce | 7 |
| #2 | Clark Peter B | 4 |
| #3 | Clark P B | 2 |
| #4 | Bruce Clark Peter | 1 |
| #5 | Peter Bruce Clark | 1 |
| #6 | Clark Bruce Peter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4827393A | Alternator and regulator for use therewith | |
| NZ221822A | Permanent magnet motor |