Patent · US Active

Pipe lining preparation assembly

US11378219B2 · kind B2 · utility

0Cited by

10References

13Claims

0Family size

Assignee

LIQUI-FORCE SERVICES (ONTARIO) INC. · CA

Inventors

Darcy Warren · Kingsville, CA
Ron Bartel · Wheatley, CA
Steve Bartel · Ruthven, CA

Key dates

Filing date	Jul 28, 2011
Grant date	Jul 5, 2022
Priority date	—
Expiry date	Jun 25, 2034

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE03F7/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An example sewer preparation from the main (PFM) device provides for the inspection and preparation of the sewer pipe from the main sewer pipe. The PFM device provides for the insertion of one or more individual and separately controllable tools into the sewer pipe. The tools include a clean out tool and a camera.

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