Patents Represented by Attorney Raymond T. Majesko

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  • Carbon bonded refractory brick
    Patent number: 4431744
    Abstract: Carbon bonded refractory brick containing 1 to 6% by weight liquid thermosetting resin binder consisting of polyhydroxydiphenyl resin and a curing agent and the balance being refractory aggregate.
    Type: Grant
    Filed: June 2, 1982
    Date of Patent: February 14, 1984
    Assignee: Dresser Industries, Inc.
    Inventors: Mark C. Kernion, David J. Michael
  • Silicon carbide furnace
    Patent number: 4399546
    Abstract: Electrical resistance furnace and manufacturing plant for the preparation of silicon carbide utilizing a resistance core of carbon horizontally inserted within the load and having a broken ring configuration.
    Type: Grant
    Filed: July 15, 1981
    Date of Patent: August 16, 1983
    Assignee: Dresser Industries, Inc.
    Inventor: James D. Phillips
  • Alumino-silicate refractory brick
    Patent number: 4391917
    Abstract: Carbonaceous bonded refractory shapes in which the predominant refractory aggregate is andalusite, being characterized by the absence of substantial shrinkage after coking at 2000.degree. F.
    Type: Grant
    Filed: July 26, 1982
    Date of Patent: July 5, 1983
    Assignee: Dresser Industries, Inc.
    Inventors: David J. Michael, Berhl E. Wishon
  • Radial truck centering brake assembly
    Patent number: 4357999
    Abstract: A railroad freight car truck designed for the installation of steering arms for radial tracking in curves and high speed stability, and truck mounted air brake rigging of the standard type utilizing dual push-rods through the bolster to eliminate the truck biasing forces developed by conventional brake rigging with holes for accommodating the push-rods through the bolster and lugs for allowing the steering arms to engage and guide the brake beams in the lateral direction.
    Type: Grant
    Filed: November 26, 1980
    Date of Patent: November 9, 1982
    Assignee: Dresser Industries, Inc.
    Inventor: Geoffrey W. Cope
  • Basic oxygen furnace construction
    Patent number: 4343459
    Abstract: A construction for the cone section zone of oxygen converter vessels consisting of a plurality of courses of refractory brick having a parallelogram configuration to provide a smooth surface for the working lining face.
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: August 10, 1982
    Assignee: Dresser Industries, Inc.
    Inventor: Loren L. Kimmel
  • Side bearing cage assembly
    Patent number: 4332202
    Abstract: Raised pads of minimum area are provided on the top surface of a railroad truck bolster to cooperate with and present maximum support to the side bearings with only minor grinding operations needed to the as-cast surface to assure full bearing.
    Type: Grant
    Filed: June 24, 1980
    Date of Patent: June 1, 1982
    Assignee: Dresser Industries, Inc.
    Inventor: Harvey E. Amwake
  • Welded side frame column wear plate
    Patent number: 4316417
    Abstract: A railway car truck having side frames with an opening for receiving the ends of a bolster, and spaced columns with removable wear resistant wear plates, secured thereto and retained by L-shaped retainers at the corners.
    Type: Grant
    Filed: January 14, 1976
    Date of Patent: February 23, 1982
    Assignee: Dresser Industries, Inc.
    Inventor: Albert E. Martin
  • Anti-surge system for gases and other media
    Patent number: 4294113
    Abstract: A device and method for preventing high pressure surges in fluidic material delivery systems to instruments such as a flowmeter, by the use of restrictors and a pilot operated valve to initially restrict the flow of the fluidic material before allowing total delivery thereof to prevent damage to such meters and other type members.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: October 13, 1981
    Assignee: Dresser Industries, Inc.
    Inventors: Kenneth J. Sprott, George M. Herterick
  • High alumina brick
    Patent number: 4290814
    Abstract: A ceramically bonded brick made from a batch consisting essentially of fused zirconia-mullite grain or fused zirconia-alumina grain, chromic oxide, and high alumina material.
    Type: Grant
    Filed: August 17, 1979
    Date of Patent: September 22, 1981
    Assignee: Dresser Industries, Inc.
    Inventors: Stanley R. Pavlica, Donald O. McCreight
  • Brick assembly for use in metallurgical vessels
    Patent number: 4272063
    Abstract: Bottom blown metallurgical vessels using oxygen having a brick assembly which is secured together by metal anchors.
    Type: Grant
    Filed: May 23, 1979
    Date of Patent: June 9, 1981
    Assignee: Dresser Industries, Inc.
    Inventor: Clyde E. Lawhon
  • Method for increasing the brightness of limestone
    Patent number: 4239736
    Abstract: Method for improving the brightness of limestone utilizing a flocculating agent and a bleaching agent where the pH of the slurry is between about 7 and 9.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: December 16, 1980
    Assignee: Dresser Industries, Inc.
    Inventor: Douglas H. Fenske
  • Drilling fluid additive
    Patent number: 4201679
    Abstract: Drilling fluid viscosifier which includes sepiolite and a partially hydrolyzed polyacrylamide polymer extender therefor.
    Type: Grant
    Filed: November 3, 1978
    Date of Patent: May 6, 1980
    Assignee: Dresser Industries, Inc.
    Inventors: Larry D. Barker, James K. Bannerman
  • Electric furnace roof
    Patent number: 4151362
    Abstract: Electric furnace roof comprising key-arch-wedge refractory shapes contained in adjacent concentric rings within a roof band, expansion allowance means disposed between brick in both the radial and circumferential direction and spacer means disposed between brick in at least the radial direction.
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: April 24, 1979
    Assignee: Dresser Industries, Inc.
    Inventor: Ronald L. Hart
  • Thermal spray powdered composite
    Patent number: 4141743
    Abstract: A composite powder suitable for use in thermal spray applications as a wear and/or corrosion resistant coating comprising chromic oxide, magnesium oxide, iron oxide, titanium oxide, and aluminum oxide.
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: February 27, 1979
    Assignee: Dresser Industries, Inc.
    Inventor: Donald C. Grubba
  • Method for thermally treating oil well drill cuttings
    Patent number: 4139462
    Abstract: Method for removing volatile materials from drill cuttings by vaporizing the materials on the cuttings in a non-oxidative atmosphere.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: February 13, 1979
    Assignee: Dresser Industries, Inc.
    Inventor: Thomas E. Sample, Jr.
  • Coupler knuckle with safety shelf
    Patent number: 4135629
    Abstract: To prevent vertical disengagement of the knuckles of railway car couplers, for example type "E" couplers, a vertical upward extension is provided on the forward nose of the knuckle which terminates in a shelf extending over the buffing face of the nose. The pulling face of the extension tapers upwardly toward the buffing face to allow for vertical angling thereof.
    Type: Grant
    Filed: April 29, 1977
    Date of Patent: January 23, 1979
    Assignee: Dresser Industries, Inc.
    Inventors: Walter C. Dilg, Albert E. Martin
  • Rotary coupler
    Patent number: 4093079
    Abstract: Rotary coupler for a railway car wherein a laterally extending cylindrical member with annular bosses is attached to the coupler butt and is received by the shank which has corresponding annular grooves and which is attached to the coupler head, to allow rotation of the cylindrical member within the shank while providing adequate strength and bearing.
    Type: Grant
    Filed: March 18, 1977
    Date of Patent: June 6, 1978
    Assignee: Dresser Industries, Inc.
    Inventor: Geoffrey Wilton Cope
  • Coupler knuckle assembly
    Patent number: 4090615
    Abstract: An improved coupler knuckle wherein the tail surface contour is formed by a mathematical function curve so that upon closing the portion of the surface, which interfaces with the lock becomes closer to the knuckle pivot thus providing increased clearance for the lock movement.
    Type: Grant
    Filed: September 17, 1976
    Date of Patent: May 23, 1978
    Assignee: Dresser Industries, Inc.
    Inventor: Albert Edward Martin
  • Automatic subway coupler
    Patent number: 4081083
    Abstract: An air line connector for use on an automatic coupler having a combination seal in the form of an apertured seal holder containing annular grooves in a front and rear face with seal members therein and a locating seal member about the diametral periphery of the holder.
    Type: Grant
    Filed: September 3, 1976
    Date of Patent: March 28, 1978
    Assignee: Dresser Industries, Inc.
    Inventors: Wilbert Gordon Glauser, Walter Cabble Dilg
  • Magnesite-chrome refractory
    Patent number: 4071370
    Abstract: Burned, magnesite-chrome refractory shapes having a lime to silica ratio between about 1.7 and 2.1 to 1, and a chromic oxide to aluminum oxide plus iron oxide ratio in excess of about 1.5 to 1.
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: January 31, 1978
    Assignee: Dresser Industries, Inc.
    Inventor: Ben Davies