Patents Represented by Attorney John Stelmah
  • Patent number: 4359202
    Abstract: Nozzle apparatus and method for controlling molten metal flow in a bottom pour casting system whereby a fluid passage is defined wherein the flow is controlled to minimize splashing of the molten metal in the molds and the flow distribution is better equalized among a plurality of molds which are being simultaneously charged.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: November 16, 1982
    Assignee: Jones & Laughlin Steel Corporation
    Inventors: Charles C. Gerding, Joseph M. Stoll, Harold L. Majors
  • Patent number: 4357125
    Abstract: An ingot mold buggy for carrying steel ingots and molds which buggy is of improved construction to resist damage due to excessive impact loading such as that which might be encountered by dropping a mold and a contained ingot on the buggy.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: November 2, 1982
    Assignee: Jones & Laughlin Steel Corporation
    Inventors: Charles C. Gerding, Stephen M. Rechtorik
  • Patent number: 4357003
    Abstract: Method and apparatus for suppressing formation of pollutants in a blast furnace casting system by occluding oxidizing gases, including ambient air, from the molten iron and slag discharged from the furnace.
    Type: Grant
    Filed: September 24, 1980
    Date of Patent: November 2, 1982
    Assignee: Jones & Laughlin Steel Corporation
    Inventor: Stephen Vajda
  • Patent number: 4354668
    Abstract: Method and apparatus for determining when the cast of a blast furnace is substantially completed in a blast furnace cast system wherein direct viewing of the taphole is obstructed during the cast. In a system wherein viewing of the taphole is obstructed by hood means covering the iron trough, substantial completion of the cast may be determined by sensing changes in ambient conditions, e.g., a change in temperature within the hood means, vibration of the hood, and/or a change in the color of the flame generated at the discharge end of a slag runner.
    Type: Grant
    Filed: August 20, 1981
    Date of Patent: October 19, 1982
    Assignee: Jones & Laughlin Steel Incorporated
    Inventor: Donald M. Ernst
  • Patent number: 4345940
    Abstract: A process for desulfurizing a bath of molten iron contained in a vessel comprising the injection of particulate lime and a particulate hydrocarbon containing carbon and hydrogen in properties ranging from CH.sub.>0 to CH.sub.2 and having a volatile matter concentration of 5 to 20%, by weight, or a premixture of the lime and hydrocarbon, which premixture has a loss on ignition factor of at least 11%, by weight.
    Type: Grant
    Filed: April 13, 1981
    Date of Patent: August 24, 1982
    Assignee: Jones & Laughlin Steel Incorporated
    Inventor: Peter J. Koros
  • Patent number: 4341554
    Abstract: A process for desulfurizing molten steel which includes the formation of a synthetic slag layer, the formation of a cover which occludes the ambient air, and the simultaneous injection of lime and a reactant agent which vaporizes within the molten steel.
    Type: Grant
    Filed: April 2, 1981
    Date of Patent: July 27, 1982
    Assignee: Jones & Laughlin Steel Incorporated
    Inventors: Peter J. Koros, Robert G. Petrushka
  • Patent number: 4289548
    Abstract: High strength, cold finished steel bars strengthened through the addition of from 0.05% to 0.15% vanadium and 0.001% to 0.025% nitrogen are produced by a series of steps involving hot rolling, cold drawing, and heat-treatment.
    Type: Grant
    Filed: August 19, 1977
    Date of Patent: September 15, 1981
    Assignee: Jones & Laughlin Steel Corporation
    Inventors: John H. Bucher, John F. Butler, John F. Held
  • Patent number: 4277279
    Abstract: Method and apparatus for dispensing a fluidized stream of particulate material, particularly a blended mixture of particulate materials which are useful in the desulfurization of molten ferrous metals. Control of the flow rates of the particulate materials are individually and independently controlled and without reliance upon varying the top pressures within the dispenser vessels containing the separate particulate materials.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: July 7, 1981
    Assignee: Jones & Laughlin Steel Corporation
    Inventors: Richard G. Kerlin, Henry T. Kossler, Peter J. Koros, Robert G. Petrushka
  • Patent number: 4188824
    Abstract: A method for testing a treated metal substrate toward its propensity to receive and adherently retain a finish coat such as paint or the like; the test is made before the finish coat is applied by applying a strip of adhesive to a specimen treated substrate, stripping the tape, and then comparing the amount of "soil" pick-up versus an established standard; "soil" includes any of the treating material picked up by the tape from the treated substrate.
    Type: Grant
    Filed: June 2, 1978
    Date of Patent: February 19, 1980
    Assignee: Youngstown Sheet and Tube Company
    Inventor: Edward P. McCarthy
  • Patent number: 4119445
    Abstract: Low alloy high strength titanium steel and a process for preparing said steel by solution heat treating and thereafter controlling the cooling rate to the precipitation hardening temperature range required to produce a steel characterized by a yield strength in the range of 60,000 to 120,000 psi and/or by a bendability characteristic demonstrable by a capability of being bent through an arc without cracking to an inside diameter equal to the thickness of the product.
    Type: Grant
    Filed: June 29, 1973
    Date of Patent: October 10, 1978
    Assignee: Youngstown Sheet and Tube Company
    Inventors: Richard A. Bosch, John A. Straatmann
  • Patent number: 4110824
    Abstract: Method and apparatus for processing continuous strand material in a continuous processing line wherein movement of the strand is continued at a subsequent processing station despite halting movement of the strand at a preceding station and for providing an indication of when the portion of the strand present at the preceding station when halted reaches the subsequent processing station or position.
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: August 29, 1978
    Assignee: Youngstown Sheet and Tube Company
    Inventors: Homer P. Halsey, Lowell E. Reed, David C. Hildebrand
  • Patent number: 4082576
    Abstract: A high strength low alloy titanium, cold reduced flat rolled steel product with yield strengths in excess of 120 and as high as at least 180 ksi and process for producing the same.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: April 4, 1978
    Assignee: Youngstown Sheet and Tube Company
    Inventors: Peter B. Lake, John J. Grenawalt, Ronald L. Pastorek
  • Patent number: 4053742
    Abstract: Energy measuring systems particularly adapted for use in conjunction with load moving devices which comprise apparatus for measuring and providing an indication of the energy expended in moving a load, and for converting a signal corresponding to such energy to a signal corresponding to the weight of the load.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: October 11, 1977
    Assignee: Youngstown Sheet and Tube Company
    Inventors: John F. Halase, III, Homer P. Halsey, Robert L. Troup
  • Patent number: 4044582
    Abstract: A pipe reeling machine guide for guiding and burnishing an external surface of a pipe having a work contact surface of a composition consisting essentially, in percent by weight, of: 0.70-0.90 carbon, up to 1.75 manganese, 0.08 max. phosphorus, 0.08 max. sulfur, 0.5-1.75 silicon, 8-12.0 nickel, 23-27 choromium, and the balance being essentially iron with residual impurities.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: August 30, 1977
    Assignee: Youngstown Sheet and Tube Company
    Inventor: Robert G. Griffith
  • Patent number: 3990330
    Abstract: A laminate tube structure produced by stretch reducing, in combination, a pair of tubes. The resultant tube structure is particularly adapted for use as a mandrel for supporting a piercing point of a seamless-tube mill.
    Type: Grant
    Filed: May 8, 1975
    Date of Patent: November 9, 1976
    Assignee: Youngstown Sheet and Tube Company
    Inventors: Bertrand M. Reiley, Edwin J. Muccillo, Robert G. Griffith
  • Patent number: 3960547
    Abstract: Process for producing refined steel including the provision of molten iron, adding molten steel to said molten iron to provide a molten mix, adding iron bearing material in unmolten form to said mix, and refining the mixture by blowing essentially pure oxygen therethrough.
    Type: Grant
    Filed: December 18, 1972
    Date of Patent: June 1, 1976
    Assignee: Youngstown Sheet and Tube Company
    Inventors: James W. Kirkpatrick, W. Fergus Porter, William E. Shepherd
  • Patent number: 3950190
    Abstract: A plain carbon, cold-reduced flat rolled steel product with yield strengths in an intermediate range and exhibiting good ductility, as well as a method of processing to attain said yield strength and good ductility characteristics without reliance upon the purposeful addition of precipitation strengthening agents.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: April 13, 1976
    Assignee: Youngstown Sheet and Tube Company
    Inventor: Peter B. Lake
  • Patent number: 3939013
    Abstract: A cold-rolled rimmed steel composition including vanadium and nitrogen, and process for producing the same with a preferred grain structure, which steel is particularly adapted for one-coat vitreous enameling.
    Type: Grant
    Filed: June 6, 1973
    Date of Patent: February 17, 1976
    Assignee: Youngstown Sheet and Tube Company
    Inventors: Larry E. Gardner, John J. Grenawalt, Adolph John Birkle
  • Patent number: D250659
    Type: Grant
    Filed: August 8, 1977
    Date of Patent: December 26, 1978
    Assignee: Youngstown Sheet and Tube Company
    Inventors: Earle D. Stevenson, Gary C. Staffeld