Electrically heated air fresheners
AssigneeThe Erie Ceramic Arts Company
InventorsRobert H. Martter, Craig C. Sundberg
Life of this patent
Estimating the term…
Abstract
The present invention provides an electrically heated air freshener for producing a scent comprising a housing having a receptacle for supporting a fragrance block, the fragrance block comprising a material that volatilizes upon heating and a porcelain enamel metal substrate comprising a metal substrate having a porcelain enamel coating bonded thereto. The porcelain enamel coating has bonded thereto a resistance strip for generating heat upon application of an electrical current and a conductive strip for conducting electrical current to the resistance strip.
Claims11
An electrically heated air freshener for producing a scent comprising:
- A. a housing having a receptacle for supporting a fragrance block, said fragrance block comprising a material that volatilizes upon heating;
- and
- B. a porcelain enamel metal substrate comprising a metal substrate having a porcelain enamel coating bonded thereto, said porcelain enamel coating having bonded thereto:
- i. a resistance strip for generating heat upon application of an electrical current;
- and
- ii. a conductive strip for conducting electrical current to said resistance strip;
- wherein said porcelain enamel metal substrate includes a variable resistance strip bonded to said porcelain enamel coating.
Dependencies are inferred from the claim text.