Patent · US Expired

Surge suppressor

US6646839B2 · kind B2 · utility

5Cited by
14References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 7, 2001
Grant dateNov 11, 2003
Priority date
Expiry dateApr 17, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02H9/042
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An improved surge suppressor which combines a ground fault circuit interrupter with overvoltage protection for AC power lines. The surge suppressor includes a switchable device for disconnecting power from the ground fault circuit interrupter in the event the AC neutral is lost.

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