Patents by Inventor Warrick Stanley Pitcher

Warrick Stanley Pitcher 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).

  • Grab attachment for backhoe and excavator buckets
    Patent number: 6260294
    Abstract: An attachment 10 for a backhoe or excavator having a moveable boom 1 to which a bucket 2 is pivoted including mounting brackets 11, 12 with which a closure member 10 is pivoted to the bucket 2, the closure member 10 including a straight portion 15 and an angular portion 17 extending therefrom at an angle of about 120°, a rigid link pivoted to a bracket on the boom 1 of the backhoe and extending to the closure member to cause pivotal movement of the closure member with respect to the bucket 2 as the bucket 2 is pivoted with respect to the boom 1, the closure 10 and the bucket performing a grapple function while enabling the bucket to perform its usual digging function when the closure member is in its fully open position.
    Type: Grant
    Filed: August 16, 1999
    Date of Patent: July 17, 2001
    Inventor: Warrick Stanley Pitcher