Patent · US Active

Collecting device and method for loosen and collect debris in a well

US11319763B2 · kind B2 · utility

2Cited by
3References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 19, 2020
Grant dateMay 3, 2022
Priority date
Expiry dateFeb 19, 2040

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04C2/1073
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A collecting device for loosening and collecting debris in a well comprises a first and second end portions, a collecting receptacle between the first and second end portions having at least one receptacle section and at least one screen receptacle, and a motor. The device at its first end includes a feed pipe, a conveying screw in feed pipe driven by the motor and arranged to move the debris in towards the collecting receptacle, and a tool at the leading end portion of the conveying screw. A method described of loosening and collecting debris in a well by the collecting device.

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