Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9267708 | Gas-fired heater with carbon dioxide detector | — | 2016-02-23 |
| 8893707 | Gas-fired heater with carbon dioxide detector | — | 2014-11-25 |
| 8347875 | Gas-fired heater with carbon dioxide detector | — | 2013-01-08 |
| 7624800 | System and method for sensing parameters in a wellbore | Arthur I. Watson, John A. Booker, Kenneth Armstrong, Adrian Carr | 2009-12-01 |
| 6757487 | Electric fireplace with light randomizer, filter and diffuser screen | Colm A. Martin, Andy Luu, David Diep, Lam Nguyen | 2004-06-29 |
| 6393207 | Electric fireplace with light randomizer, filter and diffuser screen | Colm A. Martin, Andy Luu, David Diep, Lam Nguyen | 2002-05-21 |
| 6095794 | Fireplace burner apparatus | Susan Leslie Birtch, Claudia Maria Dwyer | 2000-08-01 |
| 6006742 | Simulated solid fuel element | Susan Leslie Birtch, Claudia Maria Dwyer | 1999-12-28 |
| 5752500 | Draft hood locating device for combustion apparatus | Susan Leslie Birtch | 1998-05-19 |
| 5647342 | Gas operated fireplace assembly | Peter Vanderplaat, Jimmy R. Poe, Richard T. Holman, Claudia M. Ramos | 1997-07-15 |
| 5417199 | Heating apparatus convertible for upflow or downflow operation | Jimmy R. Poe | 1995-05-23 |
| 5025079 | Ortho-ortho aramatic bis maleimide-diamine resin | Joseph J. Zupancic, Raymond J. Swedo, Elaine F. Schumacher, Allyson J. Buehler | 1991-06-18 |
| 4564683 | Bismaleimide compounds | Johnnie E. Adams | 1986-01-14 |
| 4464520 | Delayed cure bismaleimide resins | Johnnie E. Adams | 1984-08-07 |