Patents by Inventor David M. Schnaufer

David M. Schnaufer 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).

  • Portable reduced-emissions work light
    Patent number: 6964495
    Abstract: A reduced emissions work light includes a bulb with an elongated bulb tube. A handle is provided adjacent the bulb, and is adapted for being gripped by a user to manipulate the work light. An emissions containment housing is located within the handle. A ballast is located within the housing, and is operatively connected to the bulb. An emissions filter is located within the housing, and is operatively connected to the ballast. The filter and housing cooperate to reduce emissions generated by the work light.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: November 15, 2005
    Assignee: MacLean Jameson, LLC
    Inventors: David M. Schnaufer, Thomas S. Crates
  • Portable reduced-emissions work light
    Publication number: 20020172037
    Abstract: A reduced emissions work light includes a bulb with an elongated bulb tube. A handle is provided adjacent the bulb, and is adapted for being gripped by a user to manipulate the work light. An emissions containment housing is located within the handle. A ballast is located within the housing, and is operatively connected to the bulb. An emissions filter is located within the housing, and is operatively connected to the ballast. The filter and housing cooperate to reduce emissions generated by the work light.
    Type: Application
    Filed: May 21, 2001
    Publication date: November 21, 2002
    Inventors: David M. Schnaufer, Thomas B. Crates