Patents by Inventor Andre J. ter Haar

Andre J. ter Haar 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).

  • Oil filter shear and crusher
    Patent number: 5274906
    Abstract: A container for a vertically disposed oil filter with its connector plate positioned downwardly. A pushing member for pushing the filter horizontally across a shearing member for shearing the connector plate off of the filter. The pushing member further pushing the filter horizontally against the back wall of the container thereby compressing the filter and the oil from the filter, the connector plate and the compressed filter falling through an opening in the container into a receptacle.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: January 4, 1994
    Assignee: T.W.L. Industries Incorporated
    Inventor: Andre J. ter Haar