Patents by Inventor Stanley A. Dobrzeniecki

Stanley A. Dobrzeniecki 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).

  • Impeller wheel with an improved connection between the center plate and the fan blades
    Patent number: 6609893
    Abstract: An impeller wheel includes a hub, a center plate affixed to and extending radially outwardly from the hub, and a plurality of fan blades connected to the center plate. The connection between the center plate and each fan blade includes two laterally spaced, angularly extending prongs on the center plate being tightly received in two laterally spaced and angularly extending wedge shaped receptacles in a fan blade notch to frictionally and mechanically secure each fan blade to the center plate. This connection joint can be used for any connection of a plate to another plate or to a blade and for any type of impeller.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: August 26, 2003
    Assignee: Morrison Products, Inc.
    Inventor: Stanley A. Dobrzeniecki
  • IMPELLER WHEEL WITH AN IMPROVED CONNECTION BETWEEN THE CENTER PLATE AND THE FAN BLADES
    Publication number: 20030123985
    Abstract: An impeller wheel includes a hub, a center plate affixed to and extending radially outwardly from the hub, and a plurality of fan blades connected to the center plate. The connection between the center plate and each fan blade includes two laterally spaced, angularly extending prongs on the center plate being tightly received in two laterally spaced and angularly extending wedge shaped receptacles in a fan blade notch to frictionally and mechanically secure each fan blade to the center plate. This connection joint can be used for any connection of a plate to another plate or to a blade and for any type of impeller.
    Type: Application
    Filed: December 28, 2001
    Publication date: July 3, 2003
    Inventor: Stanley A. Dobrzeniecki