Patents by Inventor John Alejandro Sanchez

John Alejandro Sanchez 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).

  • Patent number: 6507954
    Abstract: The present invention is a device and apparatus to protect a welder's eyesight, including a protective shield in a window frame, the frame having a pivotable slotted flange acting as a socket for a rotatable wire rope anchor connected, through the flange, by a wire rope to an automatic or manual, remotely operable actuator. The actuator can be conveniently mounted to welding equipment, such as a cutting handle, using an interchangeable base. The base has means for attachment to the cutting handle, and means for removable and/or adjustable attachment to the actuator device using interlocking mounts. The invention further includes a means to inhibit energy flow to welding equipment while the vision-protecting window is open.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: January 21, 2003
    Inventor: John Alejandro Sanchez