Patents by Inventor David Tsur

David Tsur 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).

  • Indicator strip and a device for automatic testing of liquids
    Patent number: 8197755
    Abstract: A continuous indicator strip having a multiplicity of separate individual sequential test sections along the surface thereof, wherein a plurality of test sections are impregnated with the same indicator enabling the utilization of the strip for sequential repetitive testing of samples, the strip being provided with at least 20 such test sections.
    Type: Grant
    Filed: July 4, 2005
    Date of Patent: June 12, 2012
    Inventor: Ben David Tsur
  • Indicator Strip and a Device for Automatic Testing of Liquids
    Publication number: 20080193331
    Abstract: A continuous indicator strip having a multiplicity of separate individual sequential test sections along the surface thereof, wherein a plurality of test sections are impregnated with the same indicator enabling the utilization of the strip for sequential repetitive testing of samples, the strip being provided with at least 20 such test sections.
    Type: Application
    Filed: July 4, 2005
    Publication date: August 14, 2008
    Inventor: Ben David Tsur
  • Crop spray apparatus having independently controlled drive assembly, operator's cab and spray device
    Patent number: 5098018
    Abstract: A crop spray apparatus is provided having controls for varying the height of a spray device and an operator's cab, which are pivotally mounted on opposite sides of a drive assembly. The controls are located in the operator's cab for continuing control of changes in height of the spray device and the operator's cab from the operator's cab while the drive assembly is moving the apparatus and while simultaneously spraying. By this control, both high and low level crops may be sprayed continuously without need for stopping operation of the crop spray apparatus to vary the height of the equipment.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: March 24, 1992
    Assignee: Kibbuts Degania Bet
    Inventors: Ezra Hadar, David Tsur, Zev Rotem-Bar