Patents by Inventor Walter Tam

Walter Tam 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: 10065751
    Abstract: Liquid storage systems for space vehicles include at least one storage tank including a tank inlet, a tank outlet, and a plurality of liquid storage compartments coupled to each other in series between the tank inlet and the tank outlet. Each liquid storage compartment includes an end plate including a porous outlet at an end of the liquid storage compartment adjacent to another liquid storage compartment. Propulsion systems for space vehicles include at least one such liquid storage tank. Methods of providing a liquid propellant to a thruster of a space vehicle include withdrawing a liquid propellant from a first compartment within a tank and flowing the liquid propellant from a second compartment into the first compartment through a porous element associated with an end plate separating the first compartment from the second compartment.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: September 4, 2018
    Assignee: Orbital ATK, Inc.
    Inventors: Gary H. Kawahara, Donald E. Jaekle, Jr., Paul Griffin, James Avramov, Walter Tam
  • Publication number: 20170283096
    Abstract: Liquid storage systems for space vehicles include at least one storage tank including a tank inlet, a tank outlet, and a plurality of liquid storage compartments coupled to each other in series between the tank inlet and the tank outlet. Each liquid storage compartment includes an end plate including a porous outlet at an end of the liquid storage compartment adjacent to another liquid storage compartment. Propulsion systems for space vehicles include at least one such liquid storage tank. Methods of providing a liquid propellant to a thruster of a space vehicle include withdrawing a liquid propellant from a first compartment within a tank and flowing the liquid propellant from a second compartment into the first compartment through a porous element associated with an end plate separating the first compartment from the second compartment.
    Type: Application
    Filed: April 5, 2016
    Publication date: October 5, 2017
    Inventors: Gary H. Kawahara, Donald E. Jaekle, JR., Paul Griffin, James Avramov, Walter Tam
  • Patent number: 4348140
    Abstract: The present connecting device for joining sheet metal components has a la of synthetic material at least in the area of the contact surfaces with neighboring components thus effectively preventing contact corrosion.
    Type: Grant
    Filed: January 19, 1981
    Date of Patent: September 7, 1982
    Assignee: Messerschmitt-Boelkow-Blohm Gesellschaft mit beschraenkter Haftung
    Inventors: Helmut Bergholz, Walter Tams
  • Patent number: D672351
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: December 11, 2012
    Assignee: Belkin International Inc.
    Inventors: Abraham Camacho, Oliver Duncan Seil, Avery Holleman, David A. Kleeman, Walter Tam, Ernesto Victor Quinteros, Eric Ulvog, Yuji Ikeda, Kenneth Mori, Thorben Neu, Justin Jakobson, Mitchell Suckle, Steven Lane, Dale Honda, Michael E. Wick