Patents by Inventor Gerard Gabriel Henn

Gerard Gabriel Henn 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: 9651161
    Abstract: A non-return valve, in particular for medical purposes, including a first hose connection housing, a second hose connection housing and a membrane disk which is made from flexible material. The membrane disk is arranged between the two hose connection housings and can be raised up from an annular valve seat in communication with an inlet space which is connected to an inlet passage. A medium-permeable formation which faces the membrane disk is arranged on the inlet side into the inlet space, supporting the membrane disk against overextension in the case of high return pressures.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: May 16, 2017
    Assignee: ILLINOIS TOOL WORKS INC.
    Inventors: Michael Carmody Colm, Brendan Casey, Gerard Gabriel Henn
  • Publication number: 20140299212
    Abstract: Non-return valve, in particular for medical purposes, consisting of a first hose connection housing and a second hose connection housing and a membrane disk which is made from flexible material, is arranged between the two hose connection housings, and can be raised up from an annular valve seat which results in an inlet space which is connected to an inlet passage. A medium-permeable formation which faces the membrane disk is arranged on the inlet side into the inlet space, which formation supports the membrane disk against overextension in the case of high return pressures.
    Type: Application
    Filed: February 24, 2011
    Publication date: October 9, 2014
    Applicant: Illinois Tool Works Inc
    Inventors: Michael Carmody Colm, Brendan Casey, Gerard Gabriel Henn