Electric resistance heating devices inventions 12/08

20080317447 - Detection of deposits in steam humidifiers: A humidifier configured to determine when the humidifier requires cleaning. The humidifier includes a tank for containing water, a heater for heating the water in the tank to generate steam, and one or more water level sensors for detecting the level of water in the tank, including detecting water at... Agent: Honeywell International Inc.

20080317448 - Drying apparatus comprising a filter: A drying apparatus includes an outer case, a portion of the outer case defining a cavity in which articles can be dried, an outlet disposed at the lower end of the cavity and a filter unit arranged downstream of the outlet, wherein the filter unit includes a particulate filter and... Agent: Morrison & Foerster LLP

20080317449 - Electrical liquid-heating appliance: An electrical household liquid-heating appliance includes a housing (10), electrical heating elements, a switch, a button (16) pivotable about an axis between an on position and an off position and having an actuation surface, and a switch actuation lever (28) movable between an operative position in which the switch is... Agent: Young & Thompson

20080317450 - Piping structure of heating/heat-retaining tube: A piping structure of a tube for heating or heat-retaining of fluid such as gas and liquid includes a conduit through which fluid is transported and a plurality of heater lines inserted into the conduit, in which the heater lines are connected in parallel. The piping structure is capable of... Agent: Hahn & Voight PLLC

20080298786 - Filament lamp and light irradiation type heat treatment device: To provide a filament lamp and light irradiation type heat treatment device that eliminates device-by-device variation of the irradiation-intensity distribution on the article to be treated, a filament lamp (1) has multiple filament assemblies (41 to 45) with coiled filaments (411 to 451) connected to leads (412a to 452a, 412b... Agent: Roberts Mlotkowski Safran & Cole, P.C. Intellectual Property Department

20080298787 - Filament lamp and light-irradiation-type heat treatment device: A filament lamp includes multiple filament assemblies having filaments connected to paired leads, arrayed in order within a light emitting tube and following a tube axis thereof. Each lead is electrically connected in a seal area. Each filament is powered independently. The light emitting tube includes insulating walls or inner... Agent: Roberts Mlotkowski Safran & Cole, P.C. Intellectual Property Department

20080298788 - Heated hose apparatus and method: A heated hose assembly includes: an extruded inner liner; an intermediate layer comprising strands of a nonmetallic material and at least one heating wire each of the nonmetallic material and heating wire interwoven about the exterior of the extruded inner liner; an outer coating dispersed throughout the strands of the... Agent: Baker & Hostetler LLP