David Charles Lyons
40Patents
13h-index
32Co-inventors
81Inventor score
Filing activity: Sep 27, 1996 → Aug 28, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7305783B2 | Lenticular fireplace | Physics | 51 | Expired |
| US6053165A | Simulated electric glowing embers for gas fireplaces | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US6880275B2 | Lenticular fireplace | Physics | 33 | Expired |
| US6145502A | Dual mode of operation fireplaces for operation in vented or unvented mode | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US6413079B1 | Voice activated fireplace control system | Physics | 29 | Expired |
| US6919884B2 | Simulated fireplace including electronic display | Physics | 23 | Expired |
| US6601579B2 | Indoor-outdoor fireplace | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5996575A | Low cost prefabricated fireplace with fiber insulation firebox | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6006743A | Indoor-outdoor portable gas burner | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5890485A | Dancing flame control system for gas fireplaces | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US7322819B2 | Backlighting system for a fireplace | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6729551B2 | Fireplace make-up air heat exchange system | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD417318S | Strap for safely securing a leash to a hand of a user | General | 14 | Expired |
| USD519202S1 | Decorative surround for fireplace | General | 13 | Expired |
| USD462436S1 | Vent cover | General | 11 | Expired |
| US7726300B2 | Backlighting system for a fireplace | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US6484712B1 | Vent cover assembly | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6848441B2 | Apparatus and method for cooling a surface of a fireplace | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6048195A | Hollow ceramic fiber burner-log element | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6374822B1 | Framed fireplace and method | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6170481A | Open ended molded fireplace box and method | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7077122B2 | Reduced clearance gas fireplace | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6550687B2 | Heat exchange system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6908039B2 | Heat exchange system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6527217B1 | Bobbin for tying a fishing fly | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.