Patent · US Active

Airlocks for conveying material, hydro excavation vacuum apparatus having airlocks, and methods for hydro excavating a site

US11905677B2 · kind B2 · utility

1Cited by
53References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 2020
Grant dateFeb 20, 2024
Priority date—
Expiry dateNov 9, 2041

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE02F9/14
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Hydro excavation vacuum apparatus that process spoil material onboard the apparatus by separating water from the cut earthen material are disclosed.

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