Patents by Inventor John Porrill

John Porrill 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).

  • Arrangement for fastening railroad rails to a sleeper
    Patent number: 8033480
    Abstract: Fastening for a rail and arrangement for fastening of rails The invention relates to a fastening for a rail for securing a rail (10) whose foot is resting on a concrete sleeper (16), comprising at least one elastic clip (20) having several legs of which at least one leg extends inside a shoulder (42, 44) or channel of a holder (24) that is connected to the concrete sleeper, and at least one further leg rests on the rail foot. For securing a rail to the necessary extent with simple design means and in space-saving form, it is suggested that the holder (24, 26) is arranged detachably in the concrete sleeper (16) or in a plate element resting thereon and is connected to the concrete sleeper by a bolt element.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: October 11, 2011
    Assignees: BWG GmbH & Co. KG, VAE GmbH, Pandrol Limited, VAE Eisenbahnsysteme GmbH
    Inventors: Hubertus Höhne, Hans-Ulrich Dietze, Heinz Ossberger, Josef Leitner, John Porrill, David R. Seeley
  • Rail fixing device
    Patent number: 7648080
    Abstract: A rail fixing device including a tensioning clamp extending from a holding element and removably arranged on a ribbed plate on which the rail base is mounted. The ribbed plate is placed on an elastic intermediate layer which is maintained in a required prestressed state by the holding element.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: January 19, 2010
    Assignees: BWG GmbH & Co. KG, VAE GmbH, Pandrol Limited, VAE Eisenbahnsysteme GmbH
    Inventors: Hubertus Höhne, Hans-Ulrich Dietze, Heinz Ossberger, Josef Leitner, John Porrill, David R. Seeley
  • Rail Fixing Device
    Publication number: 20080093472
    Abstract: A rail fixing device including a tensioning clamp extending from a holding element and removably arranged on a ribbed plate on which the rail base is mounted. The ribbed plate is placed on an elastic intermediate layer which is maintained in a required prestressed state by the holding element.
    Type: Application
    Filed: June 17, 2005
    Publication date: April 24, 2008
    Inventors: Hubertus Hohne, Hans-Ulrich Dietze, Heinz Ossberger, Josef Leitner, John Porrill, David Seeley
  • Fixing For A Rail And Arrangement For Fixing Rails
    Publication number: 20070246559
    Abstract: Fastening for a rail and arrangement for fastening of rails The invention relates to a fastening for a rail for securing a rail (10) whose foot is resting on a concrete sleeper (16), comprising at least one elastic clip (20) having several legs of which at least one leg extends inside a shoulder (42, 44) or channel of a holder (24) that is connected to the concrete sleeper, and at least one further leg rests on the rail foot. For securing a rail to the necessary extent with simple design means and in space-saving form, it is suggested that the holder (24, 26) is arranged detachably in the concrete sleeper (16) or in a plate element resting thereon and is connected to the concrete sleeper by a bolt element.
    Type: Application
    Filed: April 28, 2005
    Publication date: October 25, 2007
    Applicants: BWG GMBH & CO., KG, VAE GMBH, PANDROL LIMITED, VAE EISENBAHNSYSTEME GMBH
    Inventors: Hubertus Hohne, Hans-Ulrich Dietze, Heinz Ossberger, Josef Leitner, John Porrill, David Seeley