Patents by Inventor Joel S. Loitherstein

Joel S. Loitherstein 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).

  • Garage door control system
    Patent number: 7797881
    Abstract: A garage door control system for a garage door that is adapted to be lifted by a garage door opener. The system has a motion sensor or electric eye sensor located at least in part proximate the garage door, for sensing an object located on top of a vehicle approaching the garage and projecting higher than is safe to enter the garage, and a cutoff switch that at least temporarily prevents the garage door opener from opening the garage door when the sensor senses an object located on top of a vehicle approaching the garage and projecting higher than is safe to enter the garage.
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: September 21, 2010
    Inventor: Joel S. Loitherstein
  • Garage Door Control System
    Publication number: 20070294946
    Abstract: A garage door control system for a garage door that is adapted to be lifted by a garage door opener. The system has a motion sensor or electric eye sensor located at least in part proximate the garage door, for sensing an object located on top of a vehicle approaching the garage and projecting higher than is safe to enter the garage, and a cutoff switch that at least temporarily prevents the garage door opener from opening the garage door when the sensor senses an object located on top of a vehicle approaching the garage and projecting higher than is safe to enter the garage.
    Type: Application
    Filed: June 22, 2006
    Publication date: December 27, 2007
    Inventor: Joel S. Loitherstein
  • Resilient spider for well installation
    Patent number: 5579843
    Abstract: A resilient spider is mounted on a monitoring well section and has extension arms which, in a flexed condition, allow a desired vertical movement of the monitoring well relative to an auger in a borehole, and in an unflexed condition, may be used to secure the monitoring well in circumdisposed relationship to the lower end of the auger.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: December 3, 1996
    Inventor: Joel S. Loitherstein
  • Resilient spider for well installation
    Patent number: 5465791
    Abstract: A resilient spider is circumferentially mounted on a well section and has extension arms which, in a flexed condition, allow a desired vertical movement of the well relative to an auger in a borehole, and in an unflexed condition, may be used to secure the well in circumdisposed relationship to the lower end of the auger.
    Type: Grant
    Filed: August 16, 1994
    Date of Patent: November 14, 1995
    Inventor: Joel S. Loitherstein
  • Resilient spider for well installation
    Patent number: D375888
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: November 26, 1996
    Inventor: Joel S. Loitherstein