Patents by Inventor Sven E. F. Soedervall

Sven E. F. Soedervall 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).

  • Blow back control device in glass tempering system
    Patent number: 4781747
    Abstract: In a glass tempering system (11) a blow back control device (10) disclosed includes a housing (24) having a pair of housing portions (34) defining a pair of suction chambers (26) mounted above an exit opening (20) of a glass heating furnace (12). Housing (24) has a slot (32) including slot portions (36) extending along and opening into suction chambers (26). Blowers (30) are connected to each suction chamber (26) for drawing spent cooling gas into suction chambers (26) through slot portions (36) and for discharging the gas away from exit opening (20) of furnace (12) to avoid temperature swings in the furnace caused by cooling gas entering the furnace.
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: November 1, 1988
    Assignee: Glasstech International L.P.
    Inventor: Sven E. F. Soedervall