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:
Feb. 01, 2000
Filed:
Feb. 25, 1998
Applicant:
Inventors:
Walter Birdsell, Marlboro, MA (US);
Kenneth Ritsher, Watertown, MA (US);
Jui-Shang Wang, Taipei, TW;
Assignee:
Honeywell Inc., Minneapolis, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
261 66 ; 261 721 ; 261142 ; 261D / ;
Abstract
A portable humidifier having a base defining a boiler cavity; an evaporation mechanism for inducing evaporation of liquid within the boiler cavity; and a liquid supply including a contractible and expandible vessel having an outlet communicating with the boiler cavity and providing restricted liquid flow between the vessel and the cavity.