Patents by Inventor Herman Weigman

Herman Weigman 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: 7246997
    Abstract: An integrated centrifugal blower wheel for a heating, ventilation and air conditioning (HVAC) blower unit includes a first blade support, a second blade support, and a plurality of S-shaped blades disposed between the first and second blade supports, wherein each of the S-shaped blades has a trailing edge bent in a forward direction with respect to a defined direction of rotation of the wheel.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: July 24, 2007
    Assignee: General Electric Company
    Inventors: Xiaoyue Liu, Herman Weigman, Shixiao Wang
  • Publication number: 20050042107
    Abstract: An integrated centrifugal blower wheel for a heating, ventilation and air conditioning (HVAC) blower unit includes a first blade support, a second blade support, and a plurality of S-shaped blades disposed between the first and second blade supports, wherein each of the S-shaped blades has a trailing edge bent in a forward direction with respect to a defined direction of rotation of the wheel.
    Type: Application
    Filed: August 8, 2003
    Publication date: February 24, 2005
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Xiaoyue Liu, Herman Weigman, Shixiao Wang