Patents by Inventor Carl-John Grävare

Carl-John Grävare 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).

  • Remote pile driving analyzer
    Patent number: 6301551
    Abstract: A pile driving analyzer (PDA) which obtains, processes and stores pile driving data. The PDA is operable as an independent self-contained unit, or may be used in conjunction with a remote computer system. Position data indicative of the position of a pile, and pile data indicative of characteristics of a pile may be automatically input to the PDA. When used in conjunction with the remote computer system, the PDA may be controlled remotely by the remote computer system. Alternatively, the PDA may be controlled locally by an operator, and data acquired by the PDA provided to the remote computer system for monitoring and/or storage.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: October 9, 2001
    Assignee: Pile Dynamics, Inc.
    Inventors: George Piscalko, Carl-John Grävare, Frank Rausche