Patents Represented by Attorney Gregory D. Allen
  • Patent number: 7134953
    Abstract: Endless abrasive belt useful for polishing or otherwise abrading surfaces.
    Type: Grant
    Filed: December 27, 2004
    Date of Patent: November 14, 2006
    Assignee: 3M Innovative Properties Company
    Inventor: Paul R. Reinke
  • Patent number: 7131308
    Abstract: A method for forming metal-cladded metal matrix composite wires. The method associates a ductile metal cladding to the exterior surface of a metal matrix composite wire comprising a plurality of continuous, longitudinally positioned fibers in a metal matrix.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: November 7, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Colin McCullough, Douglas E. Johnson
  • Patent number: 7093416
    Abstract: Cable comprising at least one of aramid, ceramic, boron, poly(p-phenylene-2.6-benzobisoxazole), graphite, carbon, titanium, tungsten, or shape memory alloy and having a stress parameter not greater than 5 MPa. Embodiments of the cable are useful, for example, as an overhead power transmission line.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: August 22, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Douglas E. Johnson, Colin McCullough, Herve E. Deve
  • Patent number: 6929539
    Abstract: The present invention provides a flexible abrasive product comprised of an open cell foam backing, a foraminous barrier coating and a shaped foraminous abrasive coating.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: August 16, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: James W. Schutz, Stacee L. Royce, Michael J. Annen, Jon R. Pieper, Jeffrey D. Sheely
  • Patent number: 6913838
    Abstract: Aluminum matrix composite wire comprising ceramic fibers with a matrix of aluminum.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: July 5, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Colin McCullough, Doug E. Johnson
  • Patent number: 6863596
    Abstract: Abrasive article including a backing plate. Backing plate has a first major surface and a second opposite major surface. A central aperture extends through backing plate. An abrasive layer is secured to the first major surface of backing plate. A fastener is press fit to backing plate so as to define the central aperture.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: March 8, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Peter J. Fritz, Chong Soo Lee, James W. Malaske
  • Patent number: 6833014
    Abstract: The invention provides a method and apparatus for making an abrasive product comprising providing a substantially horizontally deployed flexible backing having a first surface bearing an at least partially cured primer coating and an opposite second surface; providing a dry flowable particle mixture comprising abrasive particles and particulate curable binder material; depositing a plurality of temporary shaped structures comprised of said particle mixture on the at least partially cured primer coating of the first surface of the backing; softening said particulate curable binder material to provide adhesion between adjacent abrasive particles; and curing the softened particulate curable binder material to convert said temporary shaped structures into permanent shaped structures and cure the at least partially cured primer coating on the first surface of the backing. The invention also provides an abrasive product made by the method.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: December 21, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Dennis G. Welygan, Jason A. Chesley, Louis S. Moren
  • Patent number: 6796365
    Abstract: Method provides ceramic fibers with a matrix that includes aluminum.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: September 28, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Colin McCullough, Doug E. Johnson
  • Patent number: 6790126
    Abstract: Agglomerate abrasive grain is disclosed. The agglomerate abrasive grain can be incorporated into abrasive products such as coated abrasives, bonded abrasives, nonwoven abrasives, and abrasive brushes. A method of making agglomerate abrasive grain is also disclosed.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: September 14, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: William P. Wood, James L. McArdle
  • Patent number: 6786801
    Abstract: Method for removing gasket material from a surface using nonwoven, three dimensional fibrous web articles employ phenolic particles.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: September 7, 2004
    Assignee: 3M Innovative Properties Company
    Inventor: Lawrence J. Mann
  • Patent number: 6749653
    Abstract: Abrasive particles and methods of making abrasive particles are disclosed. The abrasive particles may be incorporated into a variety of abrasive articles, including bonded abrasives, coated abrasives, nonwoven abrasives, and abrasive brushes.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: June 15, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Darren T. Castro, Vincent W. Nehring, Anatoly Z. Rosenflanz, Thomas E. Wood
  • Patent number: 6746974
    Abstract: The present invention provides a web material useful as a tack pad comprising a non-woven cross-laid web which is needle-tacked and at least one of chemically or thermally-bonded and at least one major surface of which is impregnated with a tackifier. The invention also provides a dispenser that will accept a stack of tack pads. The dispenser is shaped to contain a stack of tack pads in position over an outlet opening in the bottom of the dispenser and to permit one access to one edge of the bottom pad of the stack. The edge is located inside the dispenser and the dispenser comprises an at least partially open front and a door mounted on the dispenser. The door may be pivoted between an open position and a closed position over the front. The door has turned-back side edges to fit around the dispenser to prevent dust from entering the dispenser. The bottom pad can be pulled downwardly away from the stack through the outlet opening.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: June 8, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Philippe Reiterer, Jean Le Normand, Roy Parmentier, Christopher J. Carter
  • Patent number: 6733876
    Abstract: The present invention provides a flexible abrasive article containing minimal releaseable amounts of physical and chemical contaminants that may be used to clean surfaces. The abrasive article is made of a foraminous substrate, at least one binder and abrasive particles. Methods of making such abrasive articles are also provided.
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: May 11, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Kris A. Beardsley, Rufus C. Sanders, Jr.
  • Patent number: 6723451
    Abstract: Wires and cables made from ceramic oxide fibers encapsulated within a matrix that includes aluminum.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: April 20, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Colin McCullough, Doug E. Johnson
  • Patent number: 6706083
    Abstract: Fused abrasive particles comprising eutectic material comprising Al2O3—MgO—Y2O3 eutectic. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: March 16, 2004
    Assignee: 3M Innovative Properties Company
    Inventor: Anatoly Z. Rosenflanz
  • Patent number: 6692842
    Abstract: Wires and cables made from ceramic oxide fibers encapsulated within a matrix that includes aluminum.
    Type: Grant
    Filed: November 19, 2002
    Date of Patent: February 17, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Colin McCullough, Doug E. Johnson
  • Patent number: 6682574
    Abstract: A binder for abrasive products, coated abrasive articles and a method of making the same comprising a urea formaldehyde resin precursor cured in the presence of a sole catalyst which consists essentially of at least one salt of an acid with a diamine of the formula H2N—R—NH2 wherein R is an alkylene group of 3 to 10 carbon atoms, and the acid is selected from the group consisting of hydrochloric, citric, nitric, sulphuric, acetic, phosphoric and combinations thereof.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: January 27, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Christopher J. Carter, Richard J. Darwood, Roy Stubbs
  • Patent number: 6669749
    Abstract: Fused abrasive particles comprising eutectic colonies. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: December 30, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Anatoly Z. Rosenflanz, Ahmet Celikkaya, Donna W. Bange
  • Patent number: 6670291
    Abstract: A laminate sheet material comprising a first layer comprised of polymeric material and a second layer comprised of non-metallic fibers. The first and second layers at least collectively contribute to the laminate having at least one of a passing Flammability Value, Flame Propagation Value or Burnthrough Value. The laminate sheet material is useful, for example, in vehicles (e.g., aircraft), insulation blankets, insulation systems, and systems for limiting exposure of flammable insulation to an ignition source.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: December 30, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Thomas L. Tompkins, Margaret M. Vogel-Martin
  • Patent number: 6666750
    Abstract: Fused abrasive particles comprising eutectic material. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: December 23, 2003
    Assignee: 3M Innovative Properties Company
    Inventor: Anatoly Z. Rosenflanz