| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Australia | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Colombia | 1 | |
| #7 | Israel | 1 | |
| #8 | Mexico | 1 | |
| #9 | New Zealand | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Control | |
| #3 | Electrical machinery and energy | |
| #4 | Measurement | |
| #5 | Thermal processes | |
| #6 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ehlers Gregory A | 14 |
| #2 | Silva Richard M | 7 |
| #3 | Speegle Gary E | 6 |
| #4 | Howerton Robert D | 6 |
| Publication | Filing date | Title |
|---|---|---|
| US5924486A | Environmental condition control and energy management system and method | |
| CA2202129A1 | Energy management and building automation system | |
| US5696695A | System for rate-related control of electrical loads |