Patents by Inventor Jeff L. Johnson

Jeff L. Johnson 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).

  • Power line phase coupler system
    Patent number: 7198521
    Abstract: A power line phase coupler system for repeating data signals between power line phases that can be easily installed by a user. The power line phase coupler system includes a housing, a female connector positioned within the housing, a male connector electrically connected to the female connector by a length of cord, and a repeater coupler electrically connected to the male connector. The repeater coupler is electrically connected between Phase A and Phase B of the male connector for repeating and amplifying a data signal received from either phase to the opposite phase.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: April 3, 2007
    Assignee: Echelon Corporation
    Inventors: Douglas L. Hauck, David L. Kvidt, Jeff L. Johnson
  • Power line phase coupler system
    Patent number: 6896551
    Abstract: A power line phase coupler system for repeating data signals between power line phases that can be easily installed by a user. The power line phase coupler system includes a housing, a female connector positioned within the housing, a male connector electrically connected to the female connector by a length of cord, and a repeater coupler electrically connected to the male connector. The repeater coupler is electrically connected between Phase A and Phase B of the male connector for repeating and amplifying a data signal received from either phase to the opposite phase.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: May 24, 2005
    Assignee: Echelon Corporation
    Inventors: Douglas L. Hauck, David L. Kvidt, Jeff L. Johnson
  • Power line phase coupler system
    Publication number: 20040108941
    Abstract: A power line phase coupler system for repeating data signals between power line phases that can be easily installed by a user. The power line phase coupler system includes a housing, a female connector positioned within the housing, a male connector electrically connected to the female connector by a length of cord, and a repeater coupler electrically connected to the male connector. The repeater coupler is electrically connected between Phase A and Phase B of the male connector for repeating and amplifying a data signal received from either phase to the opposite phase.
    Type: Application
    Filed: December 22, 2000
    Publication date: June 10, 2004
    Inventors: Douglas L. Hauck, David L. Kvidt, Jeff L. Johnson