Patents Represented by Attorney Robert M. Jones

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  • System for controlling the flow of sinter to blast furnace
    Patent number: 4088308
    Abstract: A dead band and a feed forward control are part of a closed loop system for converting the batch flow of sinter into an accumulating hopper into a steady flow of sinter out of this hopper.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: May 9, 1978
    Assignee: Bethlehem Steel Corporation
    Inventor: George C. Gingher, Jr.
  • Method of producing a steel slab from a bottle-cap mold ingot
    Patent number: 4079502
    Abstract: Maximum yield in the production of a slab from a bottle-cap mold ingot is obtained by a method of selecting the ingot mold size.
    Type: Grant
    Filed: October 22, 1976
    Date of Patent: March 21, 1978
    Assignee: Bethlehem Steel Corporation
    Inventor: James M. Harris
  • Method of producing a steel slab from an open-top or hot-top mold ingot
    Patent number: 4079501
    Abstract: Maximum yield in the production of a slab from an open-top or hot-top mold ingot is obtained by a method of selecting the ingot mold size and the pour height in the mold.
    Type: Grant
    Filed: October 22, 1976
    Date of Patent: March 21, 1978
    Assignee: Bethlehem Steel Corporation
    Inventor: James M. Harris
  • Method of producing silicon steel strip
    Patent number: 4073668
    Abstract: A slurry of ferrosilicon powder is applied to both sides of a low carbon steel strip. The particle size of the ferrosilicon powder is controlled so that, after the slurry coatings are dried, there exists on each side of the steel strip at least a single layer of closely packed particles. The coated strip is then compacted. It is next heated in a protective environment to cause uniform diffusion of silicon throughout the strip.
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: February 14, 1978
    Assignee: Bethlehem Steel Corporation
    Inventors: George E. Wieland, Jr., Eugene M. Rudzki
  • Safety control apparatus for coke oven batteries
    Patent number: 4067461
    Abstract: A programmed pusher machine and coke guide machine are provided with interlocks, and ovens are each provided with identifying means that can be sensed by means on each of the machines, to insure that the scheduled oven in a coke oven battery is safely pushed.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: January 10, 1978
    Assignee: Bethlehem Steel Corporation
    Inventor: Anthony Sperduti
  • Injection mold with ultra sonic gating means
    Patent number: 4017237
    Abstract: A mold is provided with a pair of cavities interconnected by a runner to a common entry point. One of the cavities is gated whereby plastic may be injected into this cavity only by applying ultrasonic energy to the gate.
    Type: Grant
    Filed: March 5, 1975
    Date of Patent: April 12, 1977
    Assignee: Bethlehem Steel Corporation
    Inventor: Geoffrey R. Webster
  • Method of reducing ores
    Patent number: 4002466
    Abstract: Iron ore and a mixture of methane and hydrogen are fed into a plasma arc torch and form a swirling film of material that slowly descends the walls of the torch. The ore is reduced in the torch, and metallic iron is collected in a crucible below the torch.
    Type: Grant
    Filed: November 3, 1975
    Date of Patent: January 11, 1977
    Assignee: Bethlehem Steel Corporation
    Inventors: Donald R. MacRae, Richard G. Gold, William R. Sandall, Charles D. Thompson, Peter G. Cheplick
  • Method of reducing iron oxide
    Patent number: 3993473
    Abstract: Iron ore particles are partially reduced by passing through a rotary kiln countercurrent to flowing hydrogen and carbon monoxide. The partially reduced ore is then fed into a plasma arc torch wherein the reduction is completed. The off-gas from the arc torch is reacted with methane to reform the water vapor in the off-gas into hydrogen and carbon monoxide which are used to partially reduce the iron ore particles in the rotary kiln.
    Type: Grant
    Filed: March 20, 1975
    Date of Patent: November 23, 1976
    Assignee: Bethlehem Steel Corporation
    Inventor: Donald R. MacRae
  • Protective panel circuit
    Patent number: 3958164
    Abstract: A protective panel circuit provides under-voltage protection to existing manually operated motor controllers, and in addition assures that the controller is returned to the off or start position after a power interruption before the motor circuit can be re-energized.
    Type: Grant
    Filed: December 10, 1974
    Date of Patent: May 18, 1976
    Assignee: Bethlehem Steel Corporation
    Inventor: Edward L. Hess
  • Apparatus for welding a joint between two closely spaced vertical members
    Patent number: 3939324
    Abstract: A consumable electrode guide tube is connected to a holder disposed at the top of a long vertical joint to be welded. Power is short circuited from the holder to a point midway along the tube until the lower half of the joint is welded, after which time the short is removed and the upper half of the joint is welded in the conventional manner.
    Type: Grant
    Filed: October 7, 1974
    Date of Patent: February 17, 1976
    Assignee: Bethlehem Steel Corporation
    Inventor: Wendell V. McDowell
  • Automatic dry coke weight system
    Patent number: RE29132
    Abstract: An analog electrical system utilizes a signal from a coke weighing system and a signal from a coke moisture gauge to correct for prior errors in hopper weighings due to delivery overshoot as well as moisture variations in prior batches of coke.
    Type: Grant
    Filed: January 27, 1976
    Date of Patent: February 1, 1977
    Assignee: Bethlehem Steel Corporation
    Inventors: Harold A. List, Jack H. Baker