Patent · US Expired

Portable humidifier

US5490957A · kind A · utility

11Cited by
9References
4Claims
0Family size

Inventors

Key dates

Filing dateApr 5, 1995
Grant dateFeb 13, 1996
Priority date
Expiry dateApr 5, 2015

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF24F2221/12
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A portable humidifier that provides a visual indication of the internal water flow, with a motor for pumping water so that it provides a visible show, flows over at least one vertical filter, which provides uniform increased humidity for the filter area, which motor is also attached to a fan blade to disperse moisture into the environment.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.