Patents by Inventor Thord Ingvar Eugen Westermark

Thord Ingvar Eugen Westermark 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).

  • Kitchen ventilator
    Patent number: 4089328
    Abstract: A kitchen ventilator designed as a regularly shaped box having six flat sides and substantially no projecting parts. The spiral fan housing walls extend all the way between the ventilator top and bottom walls, all other components of the ventilator being located radially outside the fan housing.
    Type: Grant
    Filed: November 2, 1976
    Date of Patent: May 16, 1978
    Assignee: Futurumverken AB
    Inventors: Nils Randolf Bergmark, Thord Ingvar Eugen Westermark
  • Kitchen ventilator having a downwardly directed air curtain
    Patent number: 4083362
    Abstract: A kitchen ventilator has a first outlet for connection to an evacuation duct and a second outlet for recirculation air. The pressure side of the fan is connected to these outlets by means of a valve. A duct from the valve to a odor removal filter adjacent the second outlet forms a plenum chamber, the bottom of which is the bottom wall of the ventilator housing. In this bottom wall openings are provided for producing a downwards flowing air curtain only when the valve is set for recirculation.
    Type: Grant
    Filed: October 29, 1976
    Date of Patent: April 11, 1978
    Assignee: Futurumverken AB
    Inventors: Nils Randolf Bergmark, Thord Ingvar Eugen Westermark
  • Kitchen ventilator having a valve for adjustment between evacuation and recirculation
    Patent number: 4083361
    Abstract: A kitchen ventilator has a first outlet for connection to an evacuation duct and a second outlet for recirculation air. The pressure side of the fan is connected to these outlets by means of first and second air ducts, respectively, located side by side in the ventilator casing. A valve flap with vertical pivot axis is located at the duct fork and immediately adjacent the bottom wall of the casing and is directly adjustable from below the casing by means of a turning knob accessible through an opening in said bottom wall.
    Type: Grant
    Filed: October 29, 1976
    Date of Patent: April 11, 1978
    Assignee: Futurumverken AB
    Inventors: Nils Randolf Bergmark, Thord Ingvar Eugen Westermark