The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 2002
Filed:
Mar. 28, 2001
Valerio Bresolin, Bassano Del Grappa, IT;
Hydor S.r.l., , IT;
Abstract
A thermostatic heater device for liquids, in particular for the water of aquariums, comprising within a tubular casing: a rigid support ( ) constructed of electrically insulating, heat-conducting material, at least one layer of electrically insulating, heat-resistant flexible film ( ) wound about said tubular support, at least one resistive element ( ) arranged on a dielectric film wrapped about said first flexible film, a layer of a second electrically insulating, heat-resistant flexible film ( ) wound about said dielectric film already wrapped about said layer of first flexible film, means ( ) for connecting said resistive element to the electrical supply, and hydraulic sealing means ( ) between said tubular support ( ) and said casing ( ).