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:
Apr. 30, 1991
Filed:
Feb. 07, 1990
Applicant:
Inventors:
Assignee:
Shimizu Construction Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
261 81 ; 261D / ; 2391022 ; 422124 ;
Abstract
The present invention pertains to an ultrasonic fragrance generation apparatus for buildings, vehicles, aircraft, and the like, as well as for open areas. In particular it pertains to an ultrasonic fragrance generation apparatus by which means a suitable fragrance may be dispersed into the ambient air at a suitable time in the optimum concentration. By employing a material having increased surface area on the ultrasonic vibrating surface, it is possible with the present invention to generate a fragrant mist at an increased rate.