Patent · US Active

Pump piston

US11572876B2 · kind B2 · utility

0Cited by
76References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 2018
Grant dateFeb 7, 2023
Priority date—
Expiry dateMay 27, 2040

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16K15/1823
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A pump having significantly minimized or no ullage for pumping material (fluid or aggregate).

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