Patents by Inventor Leonardo S. Toma

Leonardo S. Toma 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).

  • High efficiency liquid oxygen system
    Patent number: 7490605
    Abstract: A high-efficiency liquid oxygen (LOX) storage/delivery system utilizes a portable LOX/delivery apparatus with a portable LOX container. A portable-unit LOX transfer connector is connected to the portable LOX container and is connectable to a main source of LOX in a primary reservoir LOX container. A portable-unit oxygen gas transfer connector is provided for transferring oxygen gas from the portable LOX container to an oxygen gas delivery device for delivering oxygen gas to a patient. An inter-unit oxygen gas transfer connector also is provided for connecting the portable apparatus to a stationary source of oxygen gas in the primary reservoir container, for transferring oxygen gas to the portable apparatus. A portable-unit primary relief valve is connected to the portable LOX container for venting oxygen gas out of the portable LOX container when pressure in the portable LOX container reaches a predetermined level.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: February 17, 2009
    Assignee: Mallinckrodt, Inc.
    Inventors: Mark R. Frye, Leonardo S. Toma, Richard A. Davis
  • High efficiency liquid oxygen system
    Patent number: 6742517
    Abstract: A high-efficiency liquid oxygen, (LOX) storage/delivery system utilizes a portable LOX/delivery apparatus with a portable LOX container. A portable-unit LOX transfer connector is connected to the portable LOX container and is connectable to a main source of LOX in a primary reservoir LOX container. A portable-unit oxygen gas transfer connector is provided for transferring oxygen gas from the portable LOX container to an oxygen gas delivery device for delivering oxygen gas to a patient. An inter-unit oxygen gas transfer connector also is provided for connecting the portable apparatus to a stationary source of oxygen gas in the primary reservoir container, for transferring oxygen gas to the portable apparatus. A portable-unit primary relief valve is connected to the portable LOX container for venting oxygen gas out of the portable LOX container when pressure in the portable LOX container reaches a predetermined level.
    Type: Grant
    Filed: October 26, 2000
    Date of Patent: June 1, 2004
    Assignee: Mallinckrodt, Inc.
    Inventors: Mark R. Frye, Leonardo S. Toma, Richard A. Davis
  • Combined storage and delivery container system for a breathable gas
    Patent number: D436401
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: January 16, 2001
    Assignee: Mallinckrodt Inc.
    Inventors: Richard Scott Remes, Leonardo S. Toma, Mark Robert Frye, Timothy John Payne
  • Portable gas dispenser
    Patent number: D437056
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: January 30, 2001
    Assignee: Mallinckrodt Inc.
    Inventors: Richard Scott Remes, Leonardo S. Toma, Mark Robert Frye, Scott LaVoy Conway