Patent · US Expired

Point-of use water treatment system

US6514420B2 · kind B2 · utility

16Cited by
52References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 2001
Grant dateFeb 4, 2003
Priority date
Expiry dateSep 24, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/0003
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention is directed to a lamp assembly for use in a point-of-use water treatment system or other device. The lamp assembly includes a condensing element to condense mercury in a bulb within the arc path of opposing filaments when the bulb is de-energized. In one embodiment, the time required for the lamp assembly to produce light upon subsequent re-energization of the bulb is significantly reduced because the mercury is in the intermediate portion of the bulb, within the filament arc path.

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