Patents by Inventor Craig W. Stumpf

Craig W. Stumpf 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).

  • Patent number: 10899239
    Abstract: A system for sealed venting of a compartment includes a sealing member having a first body portion and a second body portion, an inner sealing member surface defining a central passage passing longitudinally from a first terminal end of the sealing member to a second terminal end of the sealing member, an outer sealing member surface defining an outer circumference of the sealing member, a sealing flange extending radially outward from the outer sealing member surface, and a channel including at least one stop surface. A securing member having a securing flange engages with the second body portion. The channel engages with the aperture defined in the body when the sealing member is inserted into and rotated in the aperture and the sealing flange and the securing flange seal the sealing member to the inner and outer surfaces of the body.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: January 26, 2021
    Assignee: GM Global Technology Operations LLC
    Inventors: Daniel K. Mehr, Craig W. Stumpf
  • Publication number: 20200391599
    Abstract: A system for sealed venting of a compartment includes a sealing member having a first body portion and a second body portion, an inner sealing member surface defining a central passage passing longitudinally from a first terminal end of the sealing member to a second terminal end of the sealing member, an outer sealing member surface defining an outer circumference of the sealing member, a sealing flange extending radially outward from the outer sealing member surface, and a channel including at least one stop surface. A securing member having a securing flange engages with the second body portion. The channel engages with the aperture defined in the body when the sealing member is inserted into and rotated in the aperture and the sealing flange and the securing flange seal the sealing member to the inner and outer surfaces of the body.
    Type: Application
    Filed: June 17, 2019
    Publication date: December 17, 2020
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Daniel K. Mehr, Craig W. Stumpf
  • Publication number: 20150260286
    Abstract: A system includes a control module that determines a current gear of a vehicle. An active fuel management (AFM) and shift module determines an upshift vehicle speed threshold and a downshift vehicle speed threshold based in part on the current gear, selectively provides an indication to a driver to perform a vehicle upshift or an indication to the driver to perform a vehicle downshift based on a comparison between a vehicle speed and each of the upshift vehicle speed threshold and a downshift vehicle speed threshold, and selectively provides the indication to the driver to perform the vehicle downshift based on a determination that AFM is not enabled in the current gear and that AFM would be enabled in response to the vehicle downshift.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 17, 2015
    Applicant: GM Global Technology Operations LLC
    Inventors: Larry D. Laws, Ronald W. Knoebel, Craig W. Stumpf, Daniel Molnar
  • Patent number: 5605353
    Abstract: According to the invention, a vehicle chassis includes first and second longitudinal extending side rails which are laterally spaced apart. A cross member extends transversely between the first and second side rails and has bolt holes therein. A longitudinally extending slotted aperture is provided in each side rail and registers with the bolt holes of the cross member. Each of the side rails has a cage member attached thereto and overlying aligned the slotted aperture. Each cage member has a longitudinally extending slotted aperture registering with the slotted aperture of the side rail and each has a nut captured therein for longitudinal movement of the nut within the cage member along the slotted aperture. A bolt is installed through the cross member bolt hole, through the slotted aperture of the side rail, and into the nut to attach the cross member and the side rail.
    Type: Grant
    Filed: August 9, 1995
    Date of Patent: February 25, 1997
    Assignee: General Motors Corporation
    Inventors: Stephen P. Moss, John C. Johnson, Dilip M. Bhalsod, Craig W. Stumpf