Patents by Inventor Gerhard Lein

Gerhard Lein 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: 8690195
    Abstract: A flexible bellows used in a pipe coupling includes composite convolutions having integral extensions forming one or both of an outer shield or inner liner to enhance performance of the coupling. Embodiments incorporate dampers, hangers and convolution modifications. Various embodiments are disclosed.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: April 8, 2014
    Assignee: American BOA, Inc.
    Inventors: Paul Chahine, Gerhard Lein, Rolf Janssen
  • Patent number: 8424922
    Abstract: A flexible bellows used in a pipe coupling includes composite convolutions having integral extensions forming one or both of an outer shield or inner liner to enhance performance of the coupling. Embodiments incorporate asymmetric convolution forming discs providing for static angled couplings to accommodate offset or misaligned pipe system components.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: April 23, 2013
    Assignee: American BOA, Inc.
    Inventors: Paul Chahine, Gerhard Lein, Rolf Janssen
  • Publication number: 20100178099
    Abstract: A flexible bellows used in a pipe coupling includes composite convolutions having integral extensions forming one or both of an outer shield or inner liner to enhance performance of the coupling. Embodiments incorporate asymmetric convolution forming discs providing for static angled couplings to accommodate offset or misaligned pipe system components.
    Type: Application
    Filed: January 26, 2010
    Publication date: July 15, 2010
    Inventors: Paul Chahine, Gerhard Lein, Rolf Janssen
  • Publication number: 20090285626
    Abstract: A flexible bellows used in a pipe coupling includes composite convolutions having integral extensions forming one or both of an outer shield or inner liner to enhance performance of the coupling. Embodiments incorporate dampers, hangers and convolution modifications. Various embodiments are disclosed.
    Type: Application
    Filed: May 12, 2009
    Publication date: November 19, 2009
    Applicant: American Boa, Inc.
    Inventors: Paul Chahine, Gerhard Lein, Rolf Janssen