Patents by Inventor Gilbert Schultz

Gilbert Schultz 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: 5484103
    Abstract: A control device and method of making the same are provided, the control device having an axially movable shaft for moving a movable valve into its latching position with an electromagnetic unit and also being rotatable from a first position thereof to a second position thereof to cause an electrical switch to be in a closed condition thereof, the switch being a normally closed switch and being in series with the electromagnetic unit so that the electromagnetic unit can not have an electrical current flowing therethrough unless the switch is in the closed condition thereof.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: January 16, 1996
    Assignee: Robertshaw Controls Company
    Inventor: Gilbert Schultz
  • Patent number: 5407128
    Abstract: A control system, a control device therefor and methods of making the same are provided, the control device having an axially movable shaft for moving a movable valve into its latching position with an electromagnetic unit and also being rotatable from a first position thereof to a second position thereof to place and hold an electrical switch in an operating condition thereof, the switch being in series with the electromagnetic unit so that the electromagnetic unit can not have an electrical current flowing therethrough unless the switch is in the operating condition thereof.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: April 18, 1995
    Assignee: Robertshaw Controls Company
    Inventor: Gilbert Schultz
  • Patent number: 5326029
    Abstract: A control system, a control device therefor and methods of making the same are provided, the control device having an axially movable shaft for moving a movable valve into its latching position with an electromagnetic unit and also being rotatable from a first position thereof to a second position thereof to place and hold an electrical switch in an operating condition thereof, the switch being in series with the electromagnetic unit so that the electromagnetic unit can not have an electrical current flowing therethrough unless the switch is in the operating condition thereof.
    Type: Grant
    Filed: August 5, 1993
    Date of Patent: July 5, 1994
    Assignee: RobertShaw Controls Company
    Inventor: Gilbert Schultz
  • Patent number: 4604049
    Abstract: A dual rate burner construction and method of making the same are provided, the dual rate burner construction comprising a burner housing having an inlet for receiving fuel from a source thereof and an outlet through which the fuel can issue to produce flames exterior to the burner housing when the issued fuel has been ignited, a flame spreader carried by the burner housing for spreading the flames into a desired heating pattern thereof for a heating purpose when the fuel is being directed into the inlet at a full rate of flow thereof and for directing the flames into a desired standby pattern thereof when the fuel is being directed into the inlet at a standby rate of flow thereof, and a flame sensing unit carried by the construction for detecting the presence of the flames, the flame sensing unit being carried by the flame spreader in a spaced relation to the burner housing.
    Type: Grant
    Filed: August 26, 1985
    Date of Patent: August 5, 1986
    Assignee: Robertshaw Controls Company
    Inventors: Jay R. Katchka, Gilbert Schultz