Patents by Inventor Ronald J. Care

Ronald J. Care 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).

  • Linear measuring devices
    Patent number: 5035064
    Abstract: A measuring instrument comprises a portable case (45) housing a drum (11) on which is wound a flexible mesuring line or tape (10) which runs over a rotary capstan (15) provided with teeth (16) engaged by a sensor (24) acting as a pulse generator to an electronic counter (27). In addition there is a direction sensor (21) arranged to provide a count-up or count-down signal and a further direct measuring wheel (30) as teeth (32) acting as a pulse generator to the same counter (27).
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: July 30, 1991
    Inventor: Ronald J. Care