Patents by Inventor Detlev Ahlert

Detlev Ahlert 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).

  • Publication number: 20120114505
    Abstract: An inflation device for inflating containers having a body with an air channel therein being in the form of a venturi tube. A first inlet is provided in the body, being in communication with the air channel, to allow compressed air to flow into the air channel. An outlet is provided in the body, being in communication with the air channel, to allow the air to exit the air channel for inflating a container joined to the outlet. A second inlet is provided in the body, being in communication with the first inlet, to allow ambient air to be sucked into the air channel as a result of the compressed air flowing in the air channel and passing through the venturi tube. A self-closing valve and sensor means are also provided.
    Type: Application
    Filed: November 9, 2011
    Publication date: May 10, 2012
    Applicant: STOPAK (PTY) LTD.
    Inventors: Bester Jacobus PANSEGROUW, Detlev AHLERT, Shakoor MOOSA
  • Patent number: 7128510
    Abstract: The invention discloses a dunnage bag for securing loads, which includes an inflatable dunnage bag for 12 to 40 inch voids between load to be secured and consisting of a gastight polyethylene inflatable bladder provided with an inflation valve; and a reinforcing sleeve made of at least one ply of paper, the sleeve having a first opening and a second opening, and the reinforcing sleeve being folded to form at least one substantially rectangular end to close off at least one of the openings; and in which at least 50% of its exterior surface area is in contact with a load to be secured.
    Type: Grant
    Filed: January 5, 2006
    Date of Patent: October 31, 2006
    Assignee: Stopak (Pty) Ltd
    Inventors: Detlev Ahlert, Bester Jacobus Pansegrouw
  • Publication number: 20060115342
    Abstract: The invention discloses a dunnage bag for securing loads, which includes an inflatable dunnage bag for 12 to 40 inch voids between load to be secured and consisting of a gastight polyethylene inflatable bladder provided with an inflation valve; and a reinforcing sleeve made of at least one ply of paper, the sleeve having a first opening and a second opening, and the reinforcing sleeve being folded to form at least one substantially rectangular end to close off at least one of the openings; and in which at least 50% of its exterior surface area is in contact with a load to be secured.
    Type: Application
    Filed: January 5, 2006
    Publication date: June 1, 2006
    Inventors: Detlev Ahlert, Bester Pansegrouw
  • Patent number: 7011480
    Abstract: A dunnage bag for securing loads is provided which includes an inflatable dunnage bag for 12 to 40 inch voids between load to be secured. The bag consists of a gastight polyethylene inflatable bladder provided with an inflation valve and a reinforcing sleeve made of at least one ply of a suitable material. The sleeve has a first opening and a second opening. The sleeve is folded to form at least one substantially rectangular end to close off at least one of the openings. At least 50% of an exterior surface area of the dunnage bag is in contact when placed between two loads to be secured or when placed between a support and a load to be secured.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: March 14, 2006
    Assignee: Stopak (Pty) Ltd
    Inventors: Detlev Ahlert, Bester Jacobus Pansegrouw
  • Publication number: 20050178436
    Abstract: The invention discloses an inflation valve for inflating containers, which includes a housing including a first opening at a first end and a second opening at a second end, the housing being adapted to be secured to a container at the second end, and adapted to receive a gas filling nozzle at the first end; a disc adapted to close-off the second opening; and a resilient member associated with the housing and the disc, and being adapted in its inoperative position to hold the disc against the second, opening to close it off, and when gas is released by the filling nozzle into the housing to allow the disc to move away from the second opening against the action of the resilient member.
    Type: Application
    Filed: February 17, 2004
    Publication date: August 18, 2005
    Inventors: Detlev Ahlert, Bester Pansegrouw, Howard Stasin
  • Publication number: 20040141824
    Abstract: The invention discloses a dunnage bag for securing loads, which includes an inflatable dunnage bag for 12 to 40 inch voids between load to be secured and consisting of a gastight polyethylene inflatable bladder provided with an inflation valve; and a reinforcing sleeve made of at least one ply of paper, the sleeve having a first opening and a second opening, and the reinforcing sleeve being folded to form at least one substantially rectangular end to close off at least one of the openings; and in which at least 50% of its exterior surface area is in contact with a load to be secured.
    Type: Application
    Filed: December 19, 2003
    Publication date: July 22, 2004
    Inventors: Detlev Ahlert, Bester Jacobus Pansegrouw