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| Number | Title | Issue Date |
| 5748837 | High temperature lamp heater assembly with cooling of lamp base portions A heater assembly for supporting and energizing a plurality of heating lamps which includes a socket assembly which supports each of the lamps at a base portion thereof, provides power to effect energization of the lamps, and provides a directional flow o... | 05/05/1998 |
| 5590240 | Ultra pure water heater with coaxial helical flow paths A high efficiency, non-contaminating fluid heater, including inner and outer helical passageways formed from an electrically non-conductive material and through which ultra pure fluid, such as ultra pure water, passes as it is heated. A coiled resistance ... | 12/31/1996 |
| 5396574 | Tubular high efficiency, non-contaminating fluid heater A tubular high efficiency, non-contaminating fluid heater includes an elongate tubular member having a coil-like configuration and a sidewall which defines an elongate tubular chamber formed from an inert material through which fluid is adapted to flow. T... | 03/07/1995 |
| 5155800 | Panel heater assembly for use in a corrosive environment and method of manufacturing the heater An apparatus and a method of assembling a panel heater for use in a corrosive environment includes a planar heating element, a planar non-conductive carrier for supporting a conductive ground plane thereon, a planar heat sink supporting the heating elemen... | 10/13/1992 |
| 5109473 | Heater assembly for use in a corrosive environment A heater assembly for heating a container of corrosive fluid includes a housing adapted to be located in a container of fluid to be heated, a sealed chamber located in the housing, a heater located in the chamber, an electrically conductive sleeve assembl... | 04/28/1992 |
| 4972067 | PTC heater assembly and a method of manufacturing the heater assembly A self-regulating PTC heater assembly and a method of manufacturing the heater assembly is disclosed. PTC heater assembly includes a plurality of positive temperature coefficient devices, a plurality of spacers located between the positive temperature coe... | 11/20/1990 |
| 4617456 | Long life corrosion proof electroplating immersion heater A flexible electric heating assembly for immersion heating of highly corrosive liquids, such as electroplating solutions, includes an iron-nickel-chronium resistance element disposed within a thin-walled stainless steel tube and electrically insulated the... | 10/14/1986 |
