Patents by Inventor Dale C. Lindquist

Dale C. Lindquist has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8591982
    Abstract: The present invention comprises an improved method for refining cellulose that produces a highly refined cellulosic material. The method comprises soaking raw material from primarily parenchymal cell wall structures in an aqueous solution which need not contain an agent to modify the fiber (e.g., a mild alkalizing or alkaline agent and/or solution) using reduced temperatures and pressures, and refining the material with a plate refiner so that a waste water stream is reduced in volume. The mass is dried to produce the HRC fiber. The HRC fiber displays a water retention capacity of about 25 to at least about 56 g H2O/g dry HRC and retains moisture under conditions that are ordinarily used to remove moisture from materials. The highly refined fiber product can also provide excellent thickening properties and can be used in a wide variety of materials, including edible materials.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: November 26, 2013
    Assignee: Fiberstar Bio-Ingredient Technologies, Inc.
    Inventors: Brock Lundberg, Dale C. Lindquist
  • Patent number: 7094317
    Abstract: The present invention comprises an improved method for refining cellulose that produces a highly refined cellulosic material. The method comprises soaking raw material from primarily parenchymal cell wall structures in an aqueous solution which need not contain an agent to modify the fiber (e.g., a mild alkalizing or alkaline agent and/or solution) using reduced temperatures and pressures, and refining the material with a plate refiner so that a waste water stream is reduced in volume. The mass is dried to produce the HRC fiber. The HRC fiber displays a water retention capacity of about 25 to at least about 56 g H2O/g dry HRC and retains moisture under conditions that are ordinarily used to remove moisture from materials. The highly refined fiber product can also provide excellent thickening properties and can be used in a wide variety of materials, including edible materials.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: August 22, 2006
    Assignee: Fiberstar, Inc.
    Inventors: Brock Lundberg, Dale C. Lindquist
  • Publication number: 20040086626
    Abstract: The present invention comprises an improved method for refining cellulose that produces a highly refined cellulosic material. The method comprises soaking raw material from primarily parenchymal cell wall structures in an aqueous solution which need not contain an agent to modify the fiber (e.g., a mild alkalizing or alkaline agent and/or solution) using reduced temperatures and pressures, and refining the material with a plate refiner so that a waste water stream is reduced in volume. The mass is dried to produce the HRC fiber. The HRC fiber displays a water retention capacity of about 25 to at least about 56 g H2O/g dry HRC and retains moisture under conditions that are ordinarily used to remove moisture from materials. The highly refined fiber product can also provide excellent thickening properties and can be used in a wide variety of materials, including edible materials.
    Type: Application
    Filed: November 6, 2002
    Publication date: May 6, 2004
    Applicant: Fiberstar, Inc.
    Inventors: Brock Lundberg, Dale C. Lindquist
  • Patent number: 4994019
    Abstract: A self-contained, implantable device for controlling passage of material through internal body conduits, and in particular to control the material passage through a closure point commonly referred to as a sphincter, such as flow through the urethra from the bladder, movement through the bowel, or flow of medications from an artificial conduit that is implanted. The magnetic occluding device comprises a fixed magnetic pressure plate assembly, positioned on one side of a conduit, and a permanent magnet on an opposite side of the conduit. The permanent magnet can be moved so that the magnetic force between the pressure plate and the magnet can be altered from a position wherein the attraction between the movable magnet and the pressure plate carries the conduit between the magnet and the pressure plate to collapse to close off flow through the conduit, to a position wherein the conduit can open.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: February 19, 1991
    Assignee: Micro-Magnetics, Inc.
    Inventors: Mario F. Fernandez, Loren R. Keldahl, Dale C. Lindquist, Paul L. Miller
  • Patent number: 4846818
    Abstract: A device for alleviating problems associated with urinary incontinence in female patients that has an external, magnetically retained, elastically expandable receptacle which includes a rim that can be formed to fit between the labia of a female circumscribing the urthra outlet with a rear portion inserted in the vagina using magnetically attractable elements implanted at the foward portion of the labia. The set of implanted elments mate with a set of elements mounted on the receptacle rim and the sets of elements are magnetically attractable to each other. Suitable sealing jels can be used around the edges of the rim. The receptacle includes an anterior collection cylinder, which is folded when empty and which is sufficiently expandable so that it will unfold and hold voided volumes adequately to permit rapid voiding without causing pressures that break the seals of the rim. The collection cylinder can be drained when convenient.
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: July 11, 1989
    Assignee: Conceptus, Inc.
    Inventors: Loren R. Keldahl, Dale C. Lindquist
  • Patent number: 4730736
    Abstract: A hanger strip for envelopes that contain flat articles such as high quality collector art prints in a storage rack, which has a leg that extends along the top edge of the envelope adjacent the opening to the envelope, and which has a cover flap that can be pivoted open to permit access to the envelope opening. The hanger is at the top edge of the cover flap on a suitable web. The envelope is adhesively secured to the one depending leg so that it can be quickly attached, and then when stored is hung from the hanger to hold the envelope closed completely.
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: March 15, 1988
    Assignee: The Fountainhead Corporation
    Inventors: Dale C. Lindquist, Mark E. Quale