Patents by Inventor Ferdinand J. Fischer

Ferdinand J. Fischer 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).

  • Thruster apparatus and method for reducing fluid-induced motions of and stresses within an offshore platform
    Patent number: 6886487
    Abstract: Thrusters in communication with a feedback control system are provided on a cylindrical offshore marine member, such as a spar, for reducing and/or controlling vortex-induced-vibrations, low-frequency drift oscillations due to random waves, and low-frequency wind induced resonant oscillations. The thrusters are provided thrust instruction from the feedback control system based on marine member displacement and current velocity.
    Type: Grant
    Filed: November 18, 2002
    Date of Patent: May 3, 2005
    Assignee: Shell Oil Company
    Inventor: Ferdinand J. Fischer, III
  • Thruster apparatus and method for reducing fluid-induced motions of and stresses within an offshore platform
    Publication number: 20030131777
    Abstract: Thrusters in communication with a feedback control system are provided on a cylindrical offshore marine member, such as a spar, for reducing and/or controlling vortex-induced-vibrations, low-frequency drift oscillations due to random waves, and low-frequency wind induced resonant oscillations. The thrusters are provided thrust instruction from the feedback control system based on marine member displacement and current velocity.
    Type: Application
    Filed: November 18, 2002
    Publication date: July 17, 2003
    Inventor: Ferdinand J. Fischer
  • Thruster apparatus and method for reducing fluid-induced motions of and stresses within an offshore platform
    Publication number: 20020035957
    Abstract: Thrusters in communication with a feedback control system are provided on a cylindrical offshore marine member, such as a spar, for reducing and/or controlling vortex-induced-vibrations, low-frequency drift oscillations due to random waves, and low-frequency wind induced resonant oscillations. The thrusters are provided thrust instruction from the feedback control system based on marine member displacement and current velocity.
    Type: Application
    Filed: February 5, 2001
    Publication date: March 28, 2002
    Inventor: Ferdinand J. Fischer
  • Parachute profiler
    Patent number: 4495808
    Abstract: A collapsible parachute is propelled through a pipeline by flow of the pipeline contents. The parachute tows a pipeline profiling device which may include spring loaded feeler arms. The parachute collapses in order to pass obstructions or constrictions in the pipeline, and the feeler arms of the profiling device retract to avoid becoming stuck in the pipeline.
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: January 29, 1985
    Assignee: Shell Oil Company
    Inventor: Ferdinand J. Fischer, III