Patents by Inventor Gary H Laufenberg

Gary H Laufenberg 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).

  • A/C drain line device
    Patent number: 7930898
    Abstract: An air conditioning drain device essentially comprising a tubular pipe assembly, a flapper assembly, and a service port assembly. The device automatically engages a flapper valve that prevents the reverse flow of condensate water from entering a dwelling unit that shares a common drain line with multiple units, while at the same time allowing for quick and easy flushing of blockages in the drain line without causing water damage to the interior of the dwelling unit.
    Type: Grant
    Filed: May 12, 2008
    Date of Patent: April 26, 2011
    Inventors: Bryce Laufenberg, Gary H Laufenberg
  • A/C drain line device
    Publication number: 20090277206
    Abstract: An air conditioning drain device essentially comprising a tubular pipe assembly, a flapper assembly, and a service port assembly. The device automatically engages a flapper valve that prevents the reverse flow of condensate water from entering a dwelling unit that shares a common drain line with multiple units, while at the same time allowing for quick and easy flushing of blockages in the drain line without causing water damage to the interior of the dwelling unit.
    Type: Application
    Filed: May 12, 2008
    Publication date: November 12, 2009
    Inventors: Bryce Laufenberg, Gary H. Laufenberg