Patent · US Expired

Underpressure valve

US6945277B2 · kind B2 · utility

3Cited by
6References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 2003
Grant dateSep 20, 2005
Priority date
Expiry dateJun 25, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7856
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

The invention concerns an underpressure valve with a multi-part housing and a disc-like closing body which has at least one opening, and with an opening-free section disposed in alignment with the flow channel of the housing.

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