Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5049065 | Construction of ceramic plaque burners | Martin L. Smith, Alan V. Hinton | 1991-09-17 |
| D316597 | Gass fired heater | Martin L. Smith | 1991-04-30 |
| 4951650 | Gas fire appliance | Michael Boyes, Alan M. Lloyd, Martin L. Smith | 1990-08-28 |
| 4869664 | Gas burners for gas fires | Peter Wright, Alan V. Hinton, Charles Moran, Martin L. Smith | 1989-09-26 |
| D303005 | Gas-fired heater | Alan M. Lloyd, Martin L. Smith | 1989-08-22 |