Patents by Inventor Don Walters

Don Walters 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).

  • Publication number: 20240140107
    Abstract: A heat transfer roller apparatus is disclosed and configured for transferring an at least one design onto a substrate. In at least one embodiment, with the substrate sandwiched between a support frame and a support base of the apparatus, and a heat transfer compatible transfer sheet containing the at least one design positioned on the substrate within a frame boundary defined by the support frame, an at least one heat roller traverses across the transfer sheet—from a first end of the support frame to an opposing second end of the support frame—at a predetermined temperature, pressure and traversal time as set by a controller of the apparatus, so as to cause the at least one design on the transfer sheet to bond to the substrate, with a carrier of the apparatus subsequently separating the transfer sheet from the substrate while the transfer sheet is still hot.
    Type: Application
    Filed: January 9, 2024
    Publication date: May 2, 2024
    Inventors: Albert Hans Ohlig, Don Walter Ohlig
  • Patent number: 11912044
    Abstract: A heat transfer roller apparatus is disclosed and configured for transferring an at least one design onto a substrate. In at least one embodiment, with the substrate sandwiched between a support frame and a support base of the apparatus, and a heat transfer compatible transfer sheet containing the at least one design positioned on the substrate within a frame boundary defined by the support frame, an at least one heat roller traverses across the transfer sheet—from a first end of the support frame to an opposing second end of the support frame—at a predetermined temperature, pressure and traversal time as set by a controller of the apparatus, so as to cause the at least one design on the transfer sheet to bond to the substrate, with a carrier of the apparatus subsequently separating the transfer sheet from the substrate while the transfer sheet is still hot.
    Type: Grant
    Filed: March 1, 2023
    Date of Patent: February 27, 2024
    Inventors: Albert Hans Ohlig, Don Walter Ohlig
  • Publication number: 20230278347
    Abstract: A heat transfer roller apparatus is disclosed and configured for transferring an at least one design onto a substrate. In at least one embodiment, with the substrate sandwiched between a support frame and a support base of the apparatus, and a heat transfer compatible transfer sheet containing the at least one design positioned on the substrate within a frame boundary defined by the support frame, an at least one heat roller traverses across the transfer sheet—from a first end of the support frame to an opposing second end of the support frame—at a predetermined temperature, pressure and traversal time as set by a controller of the apparatus, so as to cause the at least one design on the transfer sheet to bond to the substrate, with a carrier of the apparatus subsequently separating the transfer sheet from the substrate while the transfer sheet is still hot.
    Type: Application
    Filed: March 1, 2023
    Publication date: September 7, 2023
    Inventors: Albert Hans Ohlig, Don Walter Ohlig
  • Patent number: 7475374
    Abstract: Various embodiments of methods and systems for providing virtual leaf driver nodes in a clock tree to drive a clock grid of an integrated circuit are disclosed. An integrated circuit may include a large number of clocked elements such as registers, flip-flops, etc. whose operation is synchronized by one or more clocks. For example, an operation performed by circuitry on one side of the die may need to occur at precisely the same time as another operation performed by circuitry on the other side of the die. In order to assure synchronicity of these events, a clock grid may be provided in the IC that is driven by virtual leaf driver nodes. The clock tree driving the clock grid may include a tier of leaf buffers. The output of a leaf buffer may be split, and the branches of the output connected to separate points on the clock grid.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: January 6, 2009
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Scott C. Johnson, Don Walters, Ravinder Rachala, Jerry Moench
  • Patent number: 7188471
    Abstract: A submersible power plant 10 comprises a submersible enclosure 12 having at least one intake valve 16 for admitting water at high pressure from the surrounding sea into and air space in the enclosure. An air shaft from the air space 96 is in communication with the atmosphere for maintaining the air space at approximately one atmosphere. A pump for evacuating water collected in the enclosure includes a buoy 62 responsive to ocean swells. A piston shaft 58 connected to the buoy reciprocates in the center bore 60 of a vertical column 52 extending upward from the bottom of the enclosure. As the piston shaft rises inflow valves 72 admit water in the enclosure into a valve housing 70 in communication with the center bore. As the piston shaft falls water is discharged from the valve housing into the sea through a discharge valve 80 in the bottom of the enclosure.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: March 13, 2007
    Inventor: William Don Walters
  • Patent number: 6721922
    Abstract: A system is herein disclosed which allows for the interactive design and analysis of analog and mixed-signal circuits. Circuits may additionally be characterized and verified without leaving the environment provided by the system. The system may be used to analyze multiple circuit designs at the same time. In this manner a designer can create a test that sweeps over several circuit designs. Embodiments of the invention may be integrated with other circuit design tools and development systems.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: April 13, 2004
    Assignee: Cadence Design Systems, Inc.
    Inventors: Don Walters, Paul Foster, Tina Najibi