Patents by Inventor Ephraim Luz, deceased

Ephraim Luz, deceased 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).

  • Patent number: 4246936
    Abstract: A drip irrigation pipe for use aboveground having conical apertures in the wall of the pipe at spacings corresponding to the space between the plants to be irrigated. The apertures diverge from the inside to the outside of the wall, with a center line making an angle of between to to the axis of the pipe and oriented in the direction of the water flow. Water is supplied at drip irrigation pressure of 10-35 p.s.i.
    Type: Grant
    Filed: June 25, 1979
    Date of Patent: January 27, 1981
    Inventors: Ephraim Luz, deceased, by Cecilia Luz, heir, by Irit Luz, heir