Patents by Inventor James R. Betz

James R. Betz 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).

  • Apparatus and method for breathing apparatus component coupling
    Patent number: 6575165
    Abstract: The present invention relates to a fan-forced positive pressure breathing apparatus commonly known as a Powered Air Purifying Respirators (PAPR) system, and specifically concerns the connecting of the breathing components of such equipment. The invention is a method and apparatus for rapid engagement of PAPR breathing components (such as air supply lines and filter elements to a blower housing). The invention also provides for indicating and/or monitoring whether the relative components have been aligned and coupled in sealed engagement.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: June 10, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: David Cook, Raymond Odell, Ian T. Petherbridge, Pierre Legare, Robert P. Lapointe, Kenneth J. Krepel, David M. Blomberg, Derek S. Baker, James R. Betz, Thomas I. Insley
  • Nose portion of a powered air-purifying respirator body
    Patent number: D464725
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: October 22, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Ian T. Petherbridge, James R. Betz
  • Filter cartridge for an escape hood
    Patent number: D480476
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: October 7, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Paul A. Martinson, James R. Betz, Susan G. Danisch
  • Full face respirator lens outlet ports
    Patent number: D567366
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: April 22, 2008
    Assignee: 3M Innovative Properties
    Inventors: James R. Betz, Sean M. Burke, Michael J. Lynch, Matthew D. Reier, Andrew S. Viner, Nathan A. Abel