| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 6 | |
| #2 | United States | 5 | |
| #3 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Control | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bobry Howard H | 11 |
| #2 | Kaiser Fredrick | 2 |
| #3 | Kaiser Frederick | 1 |
| #4 | Bobry Howard R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5532525A | Congeneration power system | |
| CA2086897A1 | Toroidal transformer and method for making | |
| CA2036296A1 | Uninterruptible power supply with dual level voltage input | |
| US5029285A | Power back feed protection device | |
| US4975649A | Method and apparatus for sensing loss of regulation in a ferroresonant transformer | |
| US4943763A | Ferroresonant transformer with dual outputs |