Patents by Inventor John Huhn

John Huhn 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).

  • SURFACE MINERALIZED ORGANIC FIBERS AND METHODS OF MAKING THE SAME
    Publication number: 20230228036
    Abstract: A method of making a mineralized fiber having a fiber core and a calcium carbonate shell can include admixing fibers with green liquor and adding CaO to generate a causticization reaction that results in a calcium carbonate shell coating forming around the fibers.
    Type: Application
    Filed: June 9, 2021
    Publication date: July 20, 2023
    Inventors: Joseph Andrew Sohara, John Hockman, Harry John Huhn, III, Paul Petrignani
  • Process for the production of platy precipitated calcium carbonates
    Patent number: 7135157
    Abstract: A process for the preparation of platy precipitated calcium carbonate comprising the steps of providing a suspension of calcium hydroxide, carbonating the suspension of calcium hydroxide, adding a polyacrylate to the suspension prior to the completion of carbonation to precipitate platy calcium carbonate. Also provided are a paper that is filled and a paper that is coated using the platy precipitated calcium carbonate according to the present invention.
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: November 14, 2006
    Assignee: Specialty Minerals (Michigan) Inc.
    Inventor: Harry John Huhn, III
  • Platy precipitated calcium carbonate synthesis method
    Patent number: 7128887
    Abstract: A process for the preparation of platy PCC comprising the steps of providing a suspension of calcium hydroxide, carbonating the suspension of calcium hydroxide, adding a condensed phosphate to the suspension prior to the completion of carbonation to precipitate platy calcium carbonate. A paper that is filled is also provided and a paper that is coated and a polymer that is filled are envisioned that use the platy PCC according to the present invention.
    Type: Grant
    Filed: May 29, 2003
    Date of Patent: October 31, 2006
    Assignee: Specialty Minerals (Michigan) Inc.
    Inventor: Harry John Huhn, III
  • Process for the production of platy precipitated calcium carbonates, product produced thereby, and paper incorporating same
    Publication number: 20040247513
    Abstract: A process for the preparation of platy precipitated calcium carbonate comprising the steps of providing a suspension of calcium hydroxide, carbonating the suspension of calcium hydroxide, adding a polyacrylate to the suspension prior to the completion of carbonation to precipitate platy calcium carbonate. Also provided are a paper that is filled and a paper that is coated using the platy precipitated calcium carbonate according to the present invention.
    Type: Application
    Filed: June 6, 2003
    Publication date: December 9, 2004
    Applicant: Specialty Minerals (Michigan) Inc.
    Inventor: Harry John Huhn
  • Platy precipitated calcium carbonate synthesis mehtod
    Publication number: 20040241076
    Abstract: A process for the preparation of platy PCC comprising the steps of providing a suspension of calcium hydroxide, carbonating the suspension of calcium hydroxide, adding a condensed phosphate to the suspension prior to the completion of carbonation to precipitate platy calcium carbonate. A paper that is filled is also provided and a paper that is coated and a polymer that is filled are envisioned that use the platy PCC according to the present invention.
    Type: Application
    Filed: May 29, 2003
    Publication date: December 2, 2004
    Applicant: Specialty Minerals (Michigan) Inc.
    Inventor: Harry John Huhn
  • Prop jet airplane propelling system
    Patent number: 5149016
    Abstract: A propelling system for an aircraft having a fuselage and a pair of swept wings, is provided and consists of a pair of propeller driving engines, each carried on top rearward edge of each swept wing so as to push the aircraft forward, a pair of pylons, each carried on bottom of a forward edge of each swept wing and a pair of jet engines, each affixed to a bottom end of each pylon so as to pull the aircraft forward.
    Type: Grant
    Filed: January 25, 1991
    Date of Patent: September 22, 1992
    Inventors: John Huhn, George Spector
  • Dress having ventilation means in the sleeves, hem and coverable ventilation means in the bodice
    Patent number: 4996723
    Abstract: A solar look dress is provided and consists of regular cloth material forming a skirt, lower bodice and cuffs of the sleeves. A netting material is for forming a hem, upper bodice and the sleeves to permit ventilation of air therethrough thus affording comfort to a wearer of the dress particularly during warm periods of the year.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: March 5, 1991
    Inventors: John Huhn, George Spector
  • Helicopter truck dolly
    Patent number: 4895321
    Abstract: A helicopter removable container assembly is provided and consists of a container, a means for securing the container to the rear end of a helicopter fuselage whereby the container forms a continuation of the helicopter fuselage when attached thereto and a vehicle for transporting the container when the container is removed from the helicopter fuselage.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: January 23, 1990
    Inventors: John Huhn, George Spector