Patents by Inventor Boyd Hirtz

Boyd Hirtz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11028956
    Abstract: Systems and methods for forming and deploying a pipe liner in a pipe main having a service lateral. The line is formed from three pieces of material. The piece of material forming the front top and of the main liner and the front of the lateral line has a cutout at the joint to reduce bunching, which can result in non-uniform liner thickness and may form obstructions at the joint.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: June 8, 2021
    Assignee: SAK CONSTRUCTION, LLC
    Inventor: Boyd Hirtz
  • Publication number: 20200088338
    Abstract: Systems and methods for forming and deploying a pipe liner in a pipe main having a service lateral. The line is formed from three pieces of material. The piece of material forming the front top and of the main liner and the front of the lateral line has a cutout at the joint to reduce bunching, which can result in non-uniform liner thickness and may form obstructions at the joint.
    Type: Application
    Filed: October 3, 2019
    Publication date: March 19, 2020
    Inventor: Boyd Hirtz
  • Patent number: 10502356
    Abstract: Systems and methods for forming and deploying a pipe liner in a pipe main having a service lateral. The line is formed from three pieces of material. The piece of material forming the front top and of the main liner and the front of the lateral line has a cutout at the joint to reduce bunching, which can result in non-uniform liner thickness and may form obstructions at the joint.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: December 10, 2019
    Assignee: SAK CONSTRUCTION, LLC
    Inventor: Boyd Hirtz
  • Publication number: 20180156375
    Abstract: Systems and methods for forming and deploying a pipe liner in a pipe main having a service lateral. The line is formed from three pieces of material. The piece of material forming the front top and of the main liner and the front of the lateral line has a cutout at the joint to reduce bunching, which can result in non-uniform liner thickness and may form obstructions at the joint.
    Type: Application
    Filed: December 6, 2017
    Publication date: June 7, 2018
    Inventor: Boyd Hirtz
  • Patent number: 4897135
    Abstract: A method of reconstructing fixed pipe systems (which cannot be rotated) by applying a fiberglass laminate utilizing overlapping sections.
    Type: Grant
    Filed: December 29, 1987
    Date of Patent: January 30, 1990
    Assignee: Insituform Mid America, Inc.
    Inventors: Harry H. Aylor, Jr., Boyd A. Hirtz