Patents Represented by Attorney George R. Clark
  • Patent number: 4316802
    Abstract: A filter, which may be used to filter particles of resin as well as protect against sudden loss of resin from an effluent discharged from an ion-exchange column, a first plate mounted between a flanged end of a first branch and a flanged end of a pipe, a second plate mounted between a blind flange and a flanged end of a second branch, and a perforated tube fitted through said branches so as to leave an annular space around the perforated tube. A first end of the perforated tube is threaded into a threaded aperture in the first plate to provide for manufacturing tolerances. A second end of the perforated tube is received by an annular groove on one face of the second plate to provide for a particle-tight seal, and the annular groove circumscribes a larger aperture in the second plate. A flanged end of a third branch is mounted to a flanged end of another pipe. A transparent sight may be provided at a fourth branch.
    Type: Grant
    Filed: October 30, 1980
    Date of Patent: February 23, 1982
    Assignee: Illinois Water Treatment Company
    Inventor: Michael E. Howell
  • Patent number: 4312294
    Abstract: In an apparatus for thermal treatment of semiconductors in a treating gas, a cylindrical plug extends into a treating tube so as to substantially fill the treating tube, as far as the cylindrical plug extends into the treating tube, except for a clearance provided around the cylindrical plug, between the cylindrical plug and the treating tube, whereby formation of convection currents in the treating gas is prevented. The cylindrical plug may be separate from a sealing closure, integral with the sealing closure, or integral with the treating tube. If integral with the treating tube, the cylindrical plug has a tubular portion and a bottom portion, which plugs the tubular portion but is removable.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: January 26, 1982
    Assignee: Tel-Thermco Engineering Co., Ltd.
    Inventor: Ryozo Satoh
  • Patent number: 4312176
    Abstract: In a mower equipped with a grasscatcher, the grasscatcher is attached easily by means projecting upwardly from a deck of the mower, means being integral to a rigid portion of the grasscatcher and embracing the projecting means when the grasscatcher is mounted to the deck, and a block which cooperates with an upper lip on the rigid portion so as to restrain the grasscatcher from being detached unintentionally from the deck if the grasscatcher happens to be bumped from beneath, but so as to enable the grasscatcher to be detached easily.
    Type: Grant
    Filed: November 5, 1980
    Date of Patent: January 26, 1982
    Assignee: Sunbeam Corporation
    Inventors: William A. Bollinger, Wilbur B. Hipp
  • Patent number: 4309961
    Abstract: As used in an apparatus for thermal treatment of semiconductors, a treating tube has a flanged portion at one end, near an outlet for a treating gas, and a sealing closure has a cylindrical portion and a flanged portion. The flanged portion of the sealing closure is adapted to be interfitted with the flanged portion of the treating tube so as to seal said end. The sealing closure is removable so as to open said end. The cylindrical portion is adapted to be inserted into the treating tank through said end so as to substantially fill the treating tube, as far as the cylindrical portion extends into the tube, except for a clearance provided around the cylindrical portion, between the cylindrical portion and the treating tube, whereby formation of convection currents in the treating gas is prevented. The flanged portion of the treating tube, a hollow interior of the sealing closure, and the flanged portion of the sealing closure are open to an outer atmosphere when the flanged portions are interfitted.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: January 12, 1982
    Assignee: Tel-Thermco Engineering Co., Ltd.
    Inventor: Ryozo Satoh
  • Patent number: 4309595
    Abstract: A hand held hair dryer housing with a relatively small open end and a relatively large opposite open end, heater means, and a reversible motor-driven fan for selectively providing either a concentrated or a diffused flow of heated air through said small or large open ends of said housing, respectively.
    Type: Grant
    Filed: July 14, 1980
    Date of Patent: January 5, 1982
    Assignee: Sunbeam Corporation
    Inventors: Douglas G. Long, William R. Hemrich, Nicholas A. Shaw
  • Patent number: 4309596
    Abstract: A heating cable having spaced helically wound conductor wires separated by a layer of positive temperature coefficient material which functions as a self-limiting heating element. At least one of the conductor wires is helically disposed on a stranded core of insulating fibers which have been coated and impregnated with conductive carbon.
    Type: Grant
    Filed: June 24, 1980
    Date of Patent: January 5, 1982
    Assignee: Sunbeam Corporation
    Inventor: George C. Crowley
  • Patent number: 4309597
    Abstract: A heating element for use in an electric blanket or the like including conductors spaced apart in a positive temperature coefficient (PTC) material which serves as a self-limiting heater. The conductors are separated by a spacer which prevents the conductors from engaging each other when the PTC material softens or melts during annealing thereof. A coating of material having a higher melting point than the PTC material is placed over the PTC material to maintain its shape during the annealing process.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: January 5, 1982
    Assignee: Sunbeam Corporation
    Inventor: George C. Crowley
  • Patent number: 4302660
    Abstract: A door opening mechanism for partially opening a door on a toaster oven wherein the oven includes a thermal timer for controlling the operation of the oven in a toast mode. The door opening mechanism includes a first lever held in a first position by the timer wherein the first lever is released upon termination of the toast mode. The mechanism further includes a resiliently biased slide held in a first position by the first lever and released to a second position upon completion of the toast mode. The slide is mechanically coupled to a lever assembly that includes second and third levers and a cam lever. The third lever and the cam lever are mechanically coupled to the oven door and are resiliently held in a first position to hold the door closed and resiliently moved to a second, door open position upon release of the first lever. The mechanism turns the mode selector switch to the off position once the toast has been removed from the oven and the door closed.
    Type: Grant
    Filed: August 27, 1979
    Date of Patent: November 24, 1981
    Assignee: Sunbeam Corporation
    Inventors: Charles E. Swanson, Roy W. Hector
  • Patent number: D261423
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: October 20, 1981
    Assignee: Rowenta-Werke, GmbH
    Inventor: Hans-Jurgen Geissler
  • Patent number: D261563
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: October 27, 1981
    Assignee: Sunbeam Corporation
    Inventor: Ernest Lee
  • Patent number: D261567
    Type: Grant
    Filed: February 8, 1980
    Date of Patent: October 27, 1981
    Assignee: Sunbeam Corporation
    Inventor: Alfred W. Madl
  • Patent number: D261998
    Type: Grant
    Filed: January 16, 1980
    Date of Patent: November 24, 1981
    Assignee: Sunbeam Corporation
    Inventor: Robert E. Munz
  • Patent number: D262238
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: December 8, 1981
    Assignee: Rowenta-Werke, GmbH
    Inventor: Franz A. Stuetzer
  • Patent number: D262426
    Type: Grant
    Filed: January 11, 1980
    Date of Patent: December 29, 1981
    Assignee: Sunbeam Corporation
    Inventors: Bernard B. Bluestein, Steven R. Groner
  • Patent number: D262493
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: December 29, 1981
    Assignee: Rowenta-Werke, GmbH
    Inventor: Franz A. Stutzer
  • Patent number: D262662
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: January 12, 1982
    Assignee: Rowenta-Werke, GmbH
    Inventors: Franz A. Stuetzer, Bernd Figur
  • Patent number: D262744
    Type: Grant
    Filed: January 9, 1979
    Date of Patent: January 19, 1982
    Assignee: Rowenta-Werke, GmbH
    Inventors: Franz A. Stutzer, Bernd Figur
  • Patent number: D262745
    Type: Grant
    Filed: January 9, 1979
    Date of Patent: January 19, 1982
    Assignee: Rowenta-Werke, GmbH
    Inventors: Franz A. Stutzer, Bernd Figur
  • Patent number: D262797
    Type: Grant
    Filed: June 3, 1980
    Date of Patent: January 26, 1982
    Assignee: Sunbeam Corporation
    Inventors: Richard P. Arthur, Joseph V. Rund, Joseph R. Mango
  • Patent number: D263633
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: March 30, 1982
    Assignee: Sunbeam Corporation
    Inventors: Robert O. Ernest, Gordon T. Guth, Douglas G. Long