Patents by Inventor Michael A. Willis

Michael A. Willis 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: 10557448
    Abstract: A driveshaft assembly, for example in an Electronic Unit Injector, Unit Injector or Electronic Unit Pump testing machine, wherein an indexing arrangement, such as complementary external and internal splines, enables a cam to be mounted on a shaft at a number of discreet positions, each providing a different offset of a central axis of the base cylinder section from a central axis of the shaft, each position providing a different maximum lift value of a plunger in contact with the cam, directly or via a rocker arm.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: February 11, 2020
    Assignee: DELPHI TECHNOLOGIES IP LIMITED
    Inventors: Aaron Walsh, Michael A. Willis
  • Patent number: 4886349
    Abstract: This disclosure is directed to a temples-less eyeglass frame having a central nose bridge portion, left and right lens frame portions, a left wing portion substantially perpendicular to the left lens frame portion, a right wing portion substantially perpendicular to the right lens frame portion, and left and right resilient foam temple bearing members attached to the inner end surfaces of the left and right wing portions, so as to rest in and exert pressure on both temple area only of the wearer when in use. Although the left and right wing portions can be integral with the left and right lens frame portions, this is not necessary. The left and right wing portions can be hingedly connected to the left and right lens frame portions, respectively, with or without spring-biasing to move the left and right wing portions inwardly when not being worn.
    Type: Grant
    Filed: November 27, 1987
    Date of Patent: December 12, 1989
    Assignee: Michael Allen
    Inventor: Michael A. Willis
  • Patent number: D279851
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: July 30, 1985
    Inventor: Michael A. Willis