Patents by Inventor Howard Koenig

Howard Koenig 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).

  • Method for injection molding articles wherein additives are added in selective portions
    Patent number: 4255367
    Abstract: A method for injection molding an article wherein additives are selectively introduced into the polymer melt downstream of an accumulation device and upstream of a static mixer just prior to its introduction into the mold cavity. The additives include U.V. stabilizers, flame retardant materials, colorants and blowing agents. The method produces injection molded articles with selective amounts of additives in either the skin or core portions of the articles.
    Type: Grant
    Filed: September 21, 1978
    Date of Patent: March 10, 1981
    Assignee: Standard Oil Company (Indiana)
    Inventors: Clarence W. Wallace, Howard A. Koenig
  • Machine for producing additive containing plastic articles
    Patent number: 4135870
    Abstract: Plastic articles are made wherein an additive is introduced downstream of an injector.
    Type: Grant
    Filed: June 3, 1976
    Date of Patent: January 23, 1979
    Assignee: Standard Oil Company (Indiana)
    Inventors: Clarence W. Wallace, Howard A. Koenig
  • Lip for a bandage package
    Patent number: D383676
    Type: Grant
    Filed: April 18, 1996
    Date of Patent: September 16, 1997
    Assignee: American White Cross, Inc.
    Inventor: Howard Koenig
  • Stylus
    Patent number: D689863
    Type: Grant
    Filed: September 19, 2012
    Date of Patent: September 17, 2013
    Assignee: Alumni Partners LLC
    Inventors: Howard Koenig, Aaron Koenig
  • Stylus pen
    Patent number: D710853
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: August 12, 2014
    Assignee: Alumni Partners LLC
    Inventors: Howard Koenig, Aaron Koenig
  • Storage pouch
    Patent number: D711651
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: August 26, 2014
    Assignee: Alumni Partners LLC
    Inventors: Howard Koenig, Aaron Koenig
  • Electronic cable
    Patent number: D745464
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: December 15, 2015
    Assignee: AP Specialties
    Inventor: Howard Koenig
  • Electronic cable
    Patent number: D809463
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: February 6, 2018
    Assignee: AP Specialties
    Inventor: Howard Koenig
  • Electronic cable
    Patent number: D815598
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: April 17, 2018
    Assignee: AP Specialties
    Inventor: Howard Koenig
  • Electronic cable
    Patent number: D886065
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: June 2, 2020
    Assignee: AP Specialties
    Inventor: Howard Koenig
  • Bag with pocket
    Patent number: D940462
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: January 11, 2022
    Assignee: AP Specialties
    Inventor: Howard Koenig