Patents by Inventor Eduardo J. Ferrer

Eduardo J. Ferrer 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).

  • Water stopper and solder instrument
    Patent number: 6378560
    Abstract: An instrument for temporarily preventing fluid flow along a pipe utilizing a manually actuatable handle, a seal assembly and a flexible cable releasably connected between the handle and the seal assembly. The handle includes a handgrip and a depressible lever pivotally connected to the handgrip to articulate a handle and wire within a sleeve respectively connected to a first and second compression element to expand by compression an elastomeric seal captured therebetween.
    Type: Grant
    Filed: February 3, 2001
    Date of Patent: April 30, 2002
    Inventor: Eduardo J. Ferrer
  • Hand tool for temporary plugging of pipe conduits
    Patent number: 5819804
    Abstract: An instrument for temporarily sealing a pipe against fluid flow comprising a manually actuatable handle and a sealing unit engaged to the handle, the sealing unit having a seal assembly supported at one end of a flexible cable operatively connected to the handle. The sealing assembly comprising an elastomeric seal contained between first and second compression elements which compress the elastomeric seal into an expanded state upon actuation of the handle.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: October 13, 1998
    Inventors: Eduardo J. Ferrer, Juan J. Miller