Patents by Inventor John Schlacchter

John Schlacchter 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).

  • Respirator filter canisters and method of filling same
    Patent number: 7331364
    Abstract: A gas mask filter canister of varying shapes is filled by orienting the a fill opening to face upwardly, introducing into the fill opening a particulate filter material, and vibrating the filter canister at a frequency and amplitude, and for a time until a predetermined packing density is reached. The invention can be used to fill elliptical or other odd shaped filter canisters having a concave profiles to conform closely to the curvature of the wearer's face.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: February 19, 2008
    Assignee: Avon Protection Systems, Inc.
    Inventor: John Schlacchter
  • Respirator filter canisters and method of filling same
    Publication number: 20050155665
    Abstract: A gas mask filter canister of varying shapes is filled by orienting the a fill opening to face upwardly, introducing into the fill opening a particulate filter material, and vibrating the filter canister at a frequency and amplitude, and for a time until a predetermined packing density is reached. The invention can be used to fill elliptical or other odd shaped filter canisters having a concave profiles to conform closely to the curvature of the wearer's face.
    Type: Application
    Filed: April 24, 2003
    Publication date: July 21, 2005
    Inventor: John Schlacchter