Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473796 | Systems and methods to control energy consumption efficiency | Ian Dempster, Ben Erpelding | 2022-10-18 |
| 11438189 | Environmental control for HVAC system | Ian Dempster, Ben Erpelding, Clark Mattys | 2022-09-06 |
| 10505748 | Environmental control for HVAC system | Ian Dempster, Ben Erpelding, Clark Mattys | 2019-12-10 |
| 10408481 | Systems and methods to control energy consumption efficiency | Ian Dempster, Ben Erpelding | 2019-09-10 |
| 8897921 | Environmental control for HVAC system | Ian Dempster, Ben Erpelding, Clark Matthys | 2014-11-25 |
| 8219250 | Systems and methods to control energy consumption efficiency | Ian Dempster, Ben Erpelding | 2012-07-10 |
| 6515114 | Bunte salt azo dye compound | Guido Joseph Danhieux | 2003-02-04 |
| 5457844 | Floor cleaning device | Beverly I. Hanna | 1995-10-17 |
| 4763379 | Cleaning device | — | 1988-08-16 |