Patents Assigned to Keystone Supports, Inc.
  • System, method, and apparatus for permeation grouting
    Patent number: 10106943
    Abstract: An apparatus for remediation of soil includes a drum for storing chemical-permeation grout and a pump for pumping the chemical-permeation grout at a low pressure into a manchette delivery tube while the manchette delivery tube is inserted into the soil. There is a valve for controlling the low pressure and a meter for metering an amount of the chemical-permeation grout that is delivered into the soil.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: October 23, 2018
    Assignee: Keystone Supports, Inc.
    Inventor: Carl Kirchendorfer
  • System, Method, and Apparatus for Permeation Grouting
    Publication number: 20170058478
    Abstract: An apparatus for remediation of soil includes a drum for storing chemical-permeation grout and a pump for pumping the chemical-permeation grout at a low pressure into a manchette delivery tube while the manchette delivery tube is inserted into the soil. There is a valve for controlling the low pressure and a meter for metering an amount of the chemical-permeation grout that is delivered into the soil.
    Type: Application
    Filed: April 11, 2016
    Publication date: March 2, 2017
    Applicant: Keystone Supports, Inc.
    Inventor: Carl Kirchendorfer