Patents by Inventor David Josef Ludwig Prust

David Josef Ludwig Prust 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).

  • Quick-connect hydraulic coupling socket
    Patent number: 9291293
    Abstract: The invention relates to a hydraulic coupling bush (1), comprising a bush housing (4), in particular a sleeve-shaped hush housing (4), in which a hush tappet (12), an axially movable compression sleeve (13) that surrounds the hush tappet (12) in an axially parallel manner, in particular coaxially, and an axially movable retaining sleeve (16) that surrounds the compression sleeve (13) in an axially parallel manner, in particular coaxially, are arranged in an axially parallel manner, in particular coaxially, the outer surface of the retaining sleeve supporting or releasing securing elements (18) arranged in the bush housing (4) in the dial direction and the in particular annular end face (16a) of the retaining sleeve lying at least substantially in one plane with the end faces (12a) of the bush tappet (12) and of the bush housing (4) in the decoupled state, wherein the compression sleeve is ex posed from the inside to a hydraulic fluid to be conveyed through the bush at least substantially without applying axia
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: March 22, 2016
    Assignee: RHEINISCH-WESTFAELISCHE-TECHNISCHE HOCHSCHULE AACHEN
    Inventors: David Josef Ludwig Prust, Christian Loehr, Martin Inderelst
  • QUICK-CONNECT HYDRAULIC COUPLING SOCKET
    Publication number: 20130206261
    Abstract: The invention relates to a hydraulic coupling bush (1), comprising a bush housing (4), in particular a sleeve-shaped bush housing (4), in which a hush tappet (12), an axially movable compression sleeve (13) that surrounds the hush tappet (12) in an axially parallel manner, in particular coaxially, and an axially movable retaining sleeve (16) that surrounds the compression sleeve (13) in an axially parallel manner, in particular coaxially, are arranged in an axially parallel manner, in particular coaxially, the outer surface of the retaining sleeve supporting or releasing securing elements (18) arranged in the bush housing (4) in the radial direction and the in particular annular end face (16a) of the retaining sleeve lying at least substantially in one plane with the end faces (12a) of the bush tappet (12) and of the bush housing (4) in the decoupled state, wherein the compression sleeve is exposed from the inside to a hydraulic fluid to be conveyed through the bush at least substantially without applying axi
    Type: Application
    Filed: October 4, 2010
    Publication date: August 15, 2013
    Inventors: David Josef Ludwig Prust, Christian Loehr, Martin Inderelst