Patents by Inventor Edward A. Kottmeyer

Edward A. Kottmeyer 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: 8523579
    Abstract: A spring contact assembly having a first plunger with a tail portion having a flat contact surface and a second plunger having a tail portion with a flat contact surface wherein the flat contact surfaces are overlapping and are surrounded by an external compression spring such that the sliding engagement of the flat surfaces increases during compression of the spring.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: September 3, 2013
    Assignee: Delaware Capital Formation, Inc.
    Inventors: Charles J. Johnston, Scott Chabineau, Valts Treibergs, Sergey Yakushev, Mark Swart, Edward A. Kottmeyer
  • Publication number: 20120282821
    Abstract: A spring contact assembly having a first plunger with a tail portion having a flat contact surface and a second plunger having a tail portion with a flat contact surface wherein the flat contact surfaces are overlapping and are surrounded by an external compression spring such that the sliding engagement of the flat surfaces increases during compression of the spring.
    Type: Application
    Filed: July 11, 2012
    Publication date: November 8, 2012
    Inventors: Charles J. Johnston, Scott Chabineau, Valts Treibergs, Sergey Yakushev, Mark Swart, Edward A. Kottmeyer
  • Patent number: 8231416
    Abstract: A spring contact assembly having a first plunger with a tail portion having a flat contact surface and a second plunger having a tail portion with a flat contact surface wherein the flat contact surfaces are overlapping and are surrounded by an external compression spring such that the sliding engagement of the flat surfaces increases during compression of the spring.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: July 31, 2012
    Assignee: Delaware Capital Formation, Inc.
    Inventors: Charles J. Johnston, Scott Chabineau, Valts Treibergs, Sergey Yakushev, Mark Swart, Edward A. Kottmeyer
  • Publication number: 20110039457
    Abstract: A spring contact assembly having a first plunger with a tail portion having a flat contact surface and a second plunger having a tail portion with a flat contact surface wherein the flat contact surfaces are overlapping and are surrounded by an external compression spring such that the sliding engagement of the flat surfaces increases during compression of the spring.
    Type: Application
    Filed: October 26, 2010
    Publication date: February 17, 2011
    Inventors: Charles J. Johnston, Scott Chabineau, Valts Treibergs, Sergey Yakushev, Mark Swart, Edward A. Kottmeyer
  • Patent number: 7862391
    Abstract: A spring contact assembly having a first plunger with a tail portion having a flat contact surface and a second plunger having a tail portion with a flat contact surface wherein the flat contact surfaces are overlapping and are surrounded by an external compression spring such that the sliding engagement of the flat surfaces increases during compression of the spring.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: January 4, 2011
    Assignee: Delaware Capital Formation, Inc.
    Inventors: Charles J. Johnston, Scott Chabineau, Valts Treibergs, Sergey Yakushev, Mark Swart, Edward A. Kottmeyer
  • Publication number: 20090075529
    Abstract: A spring contact assembly having a first plunger with a tail portion having a flat contact surface and a second plunger having a tail portion with a flat contact surface wherein the flat contact surfaces are overlapping and are surrounded by an external compression spring such that the sliding engagement of the flat surfaces increases during compression of the spring.
    Type: Application
    Filed: September 8, 2008
    Publication date: March 19, 2009
    Inventors: Charles J. Johnston, Scott Chabineau, Valts Treibergs, Sergey Yakushev, Mark Swart, Edward A. Kottmeyer