Patents by Inventor Carl Frounfelker

Carl Frounfelker 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).

  • Thermal actuated plant protection device with internal air-flow control mechanism
    Publication number: 20050241218
    Abstract: A plant protection device having a ventilation opening shield that may be protectedly positioned between a housing and a mounting socket. A temperature sensitive actuator may be provided in the socket and the shield may pivotally move about the socket between a position impeding airflow through the ventilation opening and a position facilitating airflow through the ventilation opening. Various embodiments and features are disclosed including a reinforced housing, multi-part housing construction, and a shield mounting structure provided through the shield, among other features.
    Type: Application
    Filed: May 2, 2005
    Publication date: November 3, 2005
    Inventor: Carl Frounfelker