Patents by Inventor Henry J. Woeltjen, JR.

Henry J. Woeltjen, JR. 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).

  • Pet door
    Patent number: 9388631
    Abstract: A pet door connects to the door and to the door frame in both a closed and open position with an opening therein to allow the pet to leave and enter the residence at any time. The pet door also prevents the air-conditioned air from leaving the residence and insects and pests from entering while the door is in the open position.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: July 12, 2016
    Inventor: Henry J. Woeltjen, Jr.
  • Pet Door
    Publication number: 20140373449
    Abstract: A pet door connects to the door and to the door frame in both a closed and open position with an opening therein to allow the pet to leave and enter the residence at any time. The pet door also prevents the air-conditioned air from leaving the residence and insects and pests from entering while the door is in the open position.
    Type: Application
    Filed: June 19, 2013
    Publication date: December 25, 2014
    Inventor: Henry J. Woeltjen, JR.