Patents by Inventor Edwin Langewisch

Edwin Langewisch 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).

  • Groove-Less Piston and Tapered Press Fit Hydraulic Lash Adjuster
    Publication number: 20160215657
    Abstract: A pushrod assembly for an engine is disclosed. The pushrod assembly may include a first piece configured to house a hydraulic lash adjuster and a second piece coupled to the first piece. The first piece may include a mating portion with a tapered end section. The second piece may include a first bore adapted to receive the mating portion of the first piece.
    Type: Application
    Filed: January 22, 2015
    Publication date: July 28, 2016
    Applicant: Caterpillar Inc.
    Inventors: David Cyborski, John Stephen Pipis, JR., Edwin Langewisch, Ashwin Hattiangadi