Patents by Inventor Timothy R. Mathson

Timothy R. Mathson 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).

  • In-line centrifugal fan
    Patent number: 7048499
    Abstract: An inline centrifugal mixed flow fan (20) includes an axially extending intake conduit (22). An inlet cone (28) is disposed at an intake end (24). An impeller (30) is disposed downstream of the inlet cone and includes a centrally disposed wheel-back (32) rotated by an electric motor (44), plural fan blades (34) extending radially outwardly from the wheel-back and a wheel cone fixedly (36) attached to and circumscribing the wheel blades. A driver chamber (48) downstream of the impeller includes plural radially extending straight vanes (50) to direct air to an outlet end (26). The fan is configured to achieve reduced sound level and increased efficiency.
    Type: Grant
    Filed: June 14, 2001
    Date of Patent: May 23, 2006
    Assignee: Greenheck Fan Corporation
    Inventors: Timothy R. Mathson, Timothy D. Kuski
  • In-line centrifugal fan
    Publication number: 20030206800
    Abstract: An inline centrifugal mixed flow fan (20) includes an axially extending intake conduit (22). An inlet cone (28) is disposed at an intake end (24). An impeller (30) is disposed downstream of the inlet cone and includes a centrally disposed wheel-back (32) rotated by an electric motor (44), plural fan blades (34) extending radially outwardly from the wheel-back and a wheel cone fixedly (36) attached to and circumscribing the wheel blades. A driver chamber (48) downstream of the impeller includes plural radially extending straight vanes (50) to direct air to an outlet end (26). The fan is configured to achieve reduced sound level and increased efficiency.
    Type: Application
    Filed: May 20, 2003
    Publication date: November 6, 2003
    Inventors: Timothy R. Mathson, Timothy D. Kuski