Patents by Inventor Sam L. Crabtree

Sam L. Crabtree 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).

  • Method of forming an automotive valve cover with integral positive crankcase ventilation
    Patent number: 6860010
    Abstract: A method of forming a valve cover suitable for attachment to an engine head is disclosed. The valve cover is molded from a plastic material to include at least one structure of a positive crankcase ventilation (PCV) system. Additionally, the design of the valve cover includes various advantages including, for example, structural integrity, ease of installation or the like.
    Type: Grant
    Filed: May 15, 2002
    Date of Patent: March 1, 2005
    Assignee: Dow Global Technologies, Inc.
    Inventors: Bart R. Jones, Daryl J. Hertema, Ravi Ramanathan, Sam L. Crabtree
  • Automotive valve cover with integral positive crankcase ventilation
    Publication number: 20030214082
    Abstract: A valve cover suitable for attachment to an engine head is disclosed. The valve cover is molded from a plastic material to include at least one structure of a positive crankcase ventilation (PCV) system. Additionally, the design of the valve cover includes various advantages including, for example, structural integrity, ease of installation or the like.
    Type: Application
    Filed: May 15, 2002
    Publication date: November 20, 2003
    Applicant: Dow Global Technologies, Inc.
    Inventors: Bart R. Jones, Daryl Hertema, Ravi Ramanathan, Sam L. Crabtree