Patent · US Expired

Inline check valve

US6427711B1 · kind B1 · utility

10Cited by
8References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 20, 2000
Grant dateAug 6, 2002
Priority date
Expiry dateOct 20, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7937
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An inline check valve having a piston member and a seat in a valve body having a larger diameter at the end thereof away from the piston. The seat is retained within a groove by a seat retainer which prevents removal of the seat from the groove without deformation of the seat.

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