| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | Canada | 4 | |
| #4 | France | 3 | |
| #5 | Mexico | 3 | |
| #6 | Australia | 2 | |
| #7 | Brazil | 2 | |
| #8 | India | 2 | |
| #9 | South Africa | 2 | |
| #10 | China | 1 | |
| #11 | Germany | 1 | |
| #12 | United Kingdom | 1 | |
| #13 | Italy | 1 | |
| #14 | Republic of Korea | 1 | |
| #15 | Singapore | 1 | |
| #16 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Computer technology | |
| #5 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson Robert W Jr | 13 |
| #2 | Raddi William J | 10 |
| #3 | Tracy John G | 7 |
| #4 | Sonnenberg Blazej W | 5 |
| #5 | Johnson Robert William | 4 |
| #6 | Oughton George W | 4 |
| #7 | Raddi William John | 4 |
| #8 | Paulakonis Joseph C | 3 |
| #9 | Widener Steven R | 3 |
| #10 | Goszyk Kurt A | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP0500787A1 | Resonant converter having current shunting means | |
| WO9107796A1 | Ups-computer system and method of powering and controlling a computer | |
| EP0500789A1 | An uninterrupted power supply system having improved power factor correction circuit | |
| FR2648285A1 | Backup supply system with neutral continuity | |
| FR2649211A1 | Device for determining the voltage level of a source, particularly of an emergency supply battery | |
| CA1236524A | Uninterruptible power supply and line conditioner | |
| AU7103981A | Resonant power module |