Patent · US Expired

Pressure regulator valve

US4094337A · kind A · utility

9Cited by
11References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 26, 1976
Grant dateJun 13, 1978
Priority date
Expiry dateMar 26, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7826
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A pressure reducing valve particularly constructed for use with hot high pressure water by the incorporation therein of a sapphire valve head, seat and head engaging element.

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