Patents by Inventor Thuan V. Tran

Thuan V. Tran 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).

  • Internal combustion engine pre-ignition oil pump
    Patent number: 5511522
    Abstract: An apparatus to pre-lubricate an engine to avoid undue wear and to augment an engine's main lubrication pump with an auxiliary oil pump attached between the oil filter and the engine which directs lubrication from the engine's sump through the existing filter and into the engine's conventional lubrication circuit.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: April 30, 1996
    Inventor: Thuan V. Tran