Patents by Inventor William Perez

William Perez 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: 10280601
    Abstract: The improved plumbing P-trap is a plumbing fixture. The improved plumbing P-trap attaches the drain of a sink to a DWV. The improved plumbing P-trap transports gray water into the DWV from the sink. The improved plumbing P-trap comprises a modified P-trap, a second clean out plug, and a snake guide. The modified P-trap transports gray water from the sink drain to the DWV. The second clean out plug is the modification to the modified P-trap that provides access to the DWV side of the modified P-trap. The second clean out plug is intended for use with a plumbing snake. The snake guide: 1) opens the second clean out plug; and, 2) attaches to the second clean out plug to guide the plumbing snake into the DWV.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: May 7, 2019
    Inventor: William Perez
  • Patent number: 9616721
    Abstract: A universal offset lawn mower towing device includes a hitch engagement unit having a first elongated shaft with an opening along one end. An offset adjustment unit having a second elongated shaft member is slidingly positioned within the first elongated shaft, and further includes a semi-circular plate with a plurality of alignment apertures. A pair of mower attachment arms extend outward from the semi-circular plate and include mower attachment nuts along their distal ends. A safety tether includes an elongated steel cable that runs the length of the device, and connects the safety handle of the upright mower to the riding mower.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: April 11, 2017
    Inventor: William Perez
  • Publication number: 20170050480
    Abstract: A universal offset lawn mower towing device includes a hitch engagement unit having a first elongated shaft with an opening along one end. An offset adjustment unit having a second elongated shaft member is slidingly positioned within the first elongated shaft, and further includes a semi-circular plate with a plurality of alignment apertures. A pair of mower attachment arms extend outward from the semi-circular plate and include mower attachment nuts along their distal ends. A safety tether includes an elongated steel cable that runs the length of the device, and connects the safety handle of the upright mower to the riding mower.
    Type: Application
    Filed: August 19, 2015
    Publication date: February 23, 2017
    Inventor: William Perez
  • Publication number: 20070241322
    Abstract: An InAsP active region for a long wavelength light emitting device and a method for growing the same are disclosed. In one embodiment, the method comprises placing a substrate in an organometallic vapor phase epitaxy (OMVPE) reactor, the substrate for supporting growth of an indium arsenide phosphide (InAsP) film, forming a quantum well layer of InAsP, and forming a barrier layer adjacent the quantum well layer, where the quantum well layer and the barrier layer are formed at a temperature of less than 520 degrees C. Forming the quantum well layer and the barrier layer at a temperature of less than 520 degrees C. results in fewer dislocations by suppressing relaxation of the layers. A long wavelength active region including InAsP quantum well layers and InGaP barrier layers is also disclosed.
    Type: Application
    Filed: June 20, 2007
    Publication date: October 18, 2007
    Inventors: David Bour, Michael Tan, William Perez