Patents by Inventor Manfred Hein

Manfred Hein 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).

  • Piston pin
    Patent number: 9404577
    Abstract: A piston pin for connecting a small connecting rod eye of a connecting rod with a piston of an internal combustion engine may include an inner bore with an eccentricity relative to an outer surface of the piston pin. The eccentricity may amount to a maximum of 0.5 mm. The outer surface may include spiral-shaped lubricating grooves.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: August 2, 2016
    Assignee: Mahle International GmbH
    Inventor: Manfred Hein
  • PISTON PIN
    Publication number: 20150136063
    Abstract: A piston pin for connecting a small connecting rod eye of a connecting rod with a piston of an internal combustion engine may include an inner bore with an eccentricity relative to an outer surface of the piston pin. The eccentricity may amount to a maximum of 0.5 mm. The outer surface may include spiral-shaped lubricating grooves.
    Type: Application
    Filed: March 6, 2013
    Publication date: May 21, 2015
    Inventor: Manfred Hein
  • Mountable discharge pipe for an end muffler as well as an end muffler for motor vehicle
    Patent number: 6913111
    Abstract: A mountable discharge pipe for an end muffler has devices for fastening the discharge pipe to an end muffler housing. A hook provided on the discharge pipe can be suspended at the end muffler housing, and a holding lug provided with an opening is arranged at the discharge pipe. The holding lug can be fastened by way of a nut-bolt connection on the end muffler housing. As a result, an easily mountable fastening of a discharge pipe on an end muffler is achieved.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: July 5, 2005
    Assignee: Dr. Ing. h.c.F. Porsche AG
    Inventors: Juergen Schorn, Michael Wessels, Manfred Hein
  • Mountable discharge pipe for an end muffler as well as an end muffler for motor vehicle
    Publication number: 20020185332
    Abstract: A mountable discharge pipe for an end muffler has devices for fastening the discharge pipe to an end muffler housing. A hook provided on the discharge pipe can be suspended at the end muffler housing, and a holding lug provided with an opening is arranged at the discharge pipe. The holding lug can be fastened by way of a nut-bolt connection on the end muffler housing. As a result, an easily mountable fastening of a discharge pipe on an end muffler is achieved.
    Type: Application
    Filed: May 14, 2002
    Publication date: December 12, 2002
    Inventors: Juergen Schorn, Michael Wessels, Manfred Hein