Patents by Inventor Keith E. Witte

Keith E. Witte 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).

  • Film heat sealing and trim apparatus
    Patent number: 9757930
    Abstract: A sealing apparatus 200 for sealing together two film portions 202, 204 may include a heating element 206 positioned in relation to a pair of nip pressure devices 208, 210 for creating a seal 311 between the two film portions 202, 204 and trimming the two film portions 202, 204 at the created seal. A controller 214 is connected to the heating element 206 and is for connection to a power source for applying a variable amount of power to the heating element 206. The amount of power varies based on at least a speed of the two film portions 202, 204 passing the heating element 206.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: September 12, 2017
    Assignee: TEXWRAP PACKAGING SYSTEMS LLC
    Inventors: Brian R. Stork, Keith E. Witte
  • Film Heat Sealing and Trim Apparatus
    Publication number: 20150298450
    Abstract: A sealing apparatus 200 for sealing together two film portions 202, 204 may include a heating element 206 positioned in relation to a pair of nip pressure devices 208, 210 for creating a seal 311 between the two film portions 202, 204 and trimming the two film portions 202, 204 at the created seal. A controller 214 is connected to the heating element 206 and is for connection to a power source for applying a variable amount of power to the heating element 206. The amount of power varies based on at least a speed of the two film portions 202, 204 passing the heating element 206.
    Type: Application
    Filed: April 17, 2014
    Publication date: October 22, 2015
    Applicant: Stork Fabricators Inc.
    Inventors: Brian R. Stork, Keith E. Witte