Patents by Inventor Sam Hedberg

Sam Hedberg 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).

  • Apparatus and method for installing a liner in a pipe
    Patent number: 10436375
    Abstract: An apparatus and method for installing a liner in a pipe, including a flexible tube assembly (2) with a proximal and a distal end, where the proximal end is attached to a proximal collar fitting (3) and the distal end is attached to a distal collar fitting (4). An inflatable bladder (110) is disposed over the tube (2) and the ends of the bladder (110) are secured to the collar fittings (3,4) forming sealed connections with the collar fittings. The proximal collar fitting (3) has a connection to connect to a guide hose (5), and includes at least one conduit for a fluid to inflate the inflatable and deflate bladder.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: October 8, 2019
    Assignee: Repiper AB
    Inventors: Göran Nilsson, Sam Hedberg
  • APPARATUS AND METHOD FOR INSTALLING A LINER IN A PIPE
    Publication number: 20170248266
    Abstract: An apparatus and method for installing a liner in a pipe, including a flexible tube assembly (2) with a proximal and a distal end, where the proximal end is attached to a proximal collar fitting (3) and the distal end is attached to a distal collar fitting (4). An inflatable bladder (110) is disposed over the tube (2) and the ends of the bladder (110) are secured to the collar fittings (3,4) forming sealed connections with the collar fittings. The proximal collar fitting (3) has connection means to connect to a guide hose (5), and includes at least one conduit for a fluid to inflate the inflatable and deflate bladder.
    Type: Application
    Filed: May 17, 2017
    Publication date: August 31, 2017
    Applicant: Repiper AB
    Inventors: Göran NILSSON, Sam HEDBERG
  • Apparatus and method for installing a liner in a pipe
    Patent number: 9657883
    Abstract: An apparatus and method for installing a liner in a pipe, including a flexible tube assembly (2) with a proximal and a distal end, where the proximal end is attached to a proximal collar fitting (3) and the distal end is attached to a distal collar fitting (4). An inflatable bladder (110) is disposed over the tube (2) and the ends of the bladder (110) are secured to the collar fittings (3,4) forming sealed connections with the collar fittings. The proximal collar fitting (3) has connection means to connect to a guide hose (5), and includes at least one conduit for a fluid to inflate the inflatable and deflate bladder.
    Type: Grant
    Filed: November 3, 2010
    Date of Patent: May 23, 2017
    Assignee: Repiper AB
    Inventors: Göran Nilsson, Sam Hedberg
  • Apparatus and Method for Installing a Liner in a Pipe
    Publication number: 20120211114
    Abstract: The present invention relates to an apparatus for installing a liner in a pipe, which apparatus comprises a flexible tube assembly (2) with a proximal and a distal end, where the proximal end is attached to a proximal collar fitting (3) and the distal end is attached to a distal collar fitting (4). An inflatable bladder (110) is disposed over the tube (2) and the ends of the bladder (110) are secured to the collar fittings (3,4) forming sealed connections with the collar fittings. The proximal collar fitting (3) has connection means to connect to a guide hose (5), and comprises at least one conduit for a fluid to inflate the inflatable and deflate bladder. The invention also relates to a method for placing a liner in a pipe.
    Type: Application
    Filed: November 3, 2010
    Publication date: August 23, 2012
    Applicant: Roranalysgruppen I Europa AB
    Inventors: Göran Nilsson, Sam Hedberg