Patents by Inventor Mark S. Chumsae

Mark S. Chumsae 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: 5337994
    Abstract: An apparatus for mounting a portable ventilation fan at an access port in the wall of an enclosure. The apparatus comprises a fixable base plate having a first opening extending therethrough, and which is detachably mounted to the port with the first opening in alignment with the port opening. A swing plate having a second opening extending therethrough is pivotably coupled to the base plate for pivotal movement between a closed position in which the first and second openings are aligned and an open position. The fan is detachably coupled to the swing plate so that the fan is in alignment with the second opening, whereupon when the swing plate is in the closed position, the fan is operable to promote a flow of air through the access port via the first and second openings.
    Type: Grant
    Filed: May 24, 1993
    Date of Patent: August 16, 1994
    Assignee: Tuthill Corporation
    Inventors: Edward W. Vipond, Mark S. Chumsae
  • Patent number: 4480790
    Abstract: A rotary burner has fuel discharge nozzles arranged exclusively in the high velocity zone of combustion air flow. The resulting annular flame pattern has a central region adjacent to the burner hub which is essentially combustion free.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: November 6, 1984
    Assignee: Coppus Engineering Corporation
    Inventors: Paul Flanagan, Mark S. Chumsae
  • Patent number: D329895
    Type: Grant
    Filed: June 18, 1990
    Date of Patent: September 29, 1992
    Assignee: Coppus Engineering Corporation
    Inventor: Mark S. Chumsae