Heating device and method of manufacturing the same

Details Heating device and method of manufacturing the same Heating device and method of manufacturing the same

1996-09-13

1998-11-10

Walberg, Teresa J.

Electric heating

Heating devices

With heater-unit housing, casing, or support means

338 59, 392435, 607 98, 5421, H05B 306, F24D 1902, A61F 700, A47C 2104

Patent

active

058359834

ABSTRACT:
A multi-layered heating device including a first container having a top layer and a bottom layer. A second container, containing heat retaining fluid, is positioned inside the first container and adjacent to the top layer thereof. Adjacent to the second container is an electrical heating element, and a layer of padding material is positioned between the electrical heating element and the bottom layer of the first container. A preferred embodiment of the heating device includes at least one thermostat, with the second container having a first layer and a second layer wherein at least one portion of each of the layers are secured together to form at least one depression which is devoid of the heat retaining fluid and which coincides with the at least one thermostat.

REFERENCES:
patent: 2590212 (1952-03-01), Samuels
patent: 2749914 (1956-06-01), Braley
patent: 3114825 (1963-12-01), Kilburn et al.
patent: 3854156 (1974-12-01), Williams
patent: 4201218 (1980-05-01), Feldman et al.
patent: 4429215 (1984-01-01), Sakai et al.
patent: 4561441 (1985-12-01), Kolodziej
patent: 4591694 (1986-05-01), Phillips
patent: 4717812 (1988-01-01), Makita
patent: 4777346 (1988-10-01), Swanton, Jr.
patent: 4868898 (1989-09-01), Seto
patent: 4920964 (1990-05-01), Francis, Jr.
patent: 4953550 (1990-09-01), Dunshee
patent: 4964402 (1990-10-01), Grim et al.
patent: 4993409 (1991-02-01), Grim
patent: 5081339 (1992-01-01), Stine
patent: 5245938 (1993-09-01), Frye
patent: 5302807 (1994-04-01), Zhao
patent: 5329096 (1994-07-01), Suematsu
patent: 5371340 (1994-12-01), Stanfield
patent: 5451747 (1995-09-01), Sullivan

Affiliated with

Also associated with

Rating

Heating device and method of manufacturing the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Heating device and method of manufacturing the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heating device and method of manufacturing the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1529645