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| Number | Title | Issue Date |
| 7256344 | Electrothermal device for ignition and flame detection in gas burners A single thermoelectric device designed to operate both as an igniter and flame detector for gas burners is described. Ignition is performed via heating, by Joule effect, of a conductor which can have, preferably, catalytic activity on the combustion while the flame... | 08/14/2007 |
| 7252502 | Method and system for combined standing pilot safety and temperature setting The method and apparatus provides a controller (which might comprise a microprocessor) that can control gas flow to a pilot burner in fluid communication with a manual pilot valve and an automatic pilot valve. The exemplary embodiments can comprise a selectable inpu... | 08/07/2007 |
| 7075164 | Semiconductor photoelectric conversion device suitable for miniaturization A semiconductor photoelectric conversion device includes: a number of photoelectric conversion elements formed in a principal surface of the semiconductor substrate; functional devices formed in the semiconductor substrate adjacent to photoelectric conversion elemen... | 07/11/2006 |
| 6740806 | Combined thermocouple and thermopile capable of generating multiple EMF signals A combined thermocouple and thermopile capable of producing multiple EMF signals. The combined thermocouple and thermopile construction is particularly adapted for use as an electric generator capable of producing multiple EMF signals and able to respond faster to c... | 05/25/2004 |
| 6717044 | Thermopile construction with multiple EMF outputs A thermopile construction adapted for use as an electric generator capable of producing multiple EMF outputs in response to heat as from a pilot flame. A cluster of hot and cold thermocouple junctions are arrayed within a housing. The hot junction of one of the ther... | 04/06/2004 |
| 5100479 | Thermopile infrared detector with semiconductor supporting rim A thermopile detector is disclosed consisting of a semiconductor supporting rim which is doped across all of the rim. The rim supports a series of polycrystalline silicon and metal thermocouples. The fully doped semiconductor area serves as an etch stop f... | 03/31/1992 |
| 4092177 | Thermopile construction An improved thermopile construction particularly adapted for use as an electric generator for producing a signalin response to heat from a pilot flame. Groups of elongated elements of dissimilar metals are assembled or arrayed in a circle within a metal s... | 05/30/1978 |
