Patents by Inventor Anders T. Aasbo

Anders T. Aasbo 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).

  • Oil feeding systems
    Patent number: 4834618
    Abstract: An oil cable pumping plant including at least one oil tank and at least one air/gas driven piston type oil pump connected to the oil tank, at least one air/gas source connected to the air/gas inlet of the pump via a pressure control. An exit for the air/gas as well as an oil exit are connected to at least one oil filled cable, and an oil flow indicator. The pump in its normal operating condition provides a predetermined oil pressure at its outlet. An oil flow control is interconnected between the oil flow indicator and the air/gas pressure control for controlling the oil.
    Type: Grant
    Filed: November 23, 1987
    Date of Patent: May 30, 1989
    Assignee: Standard Telefon og Kabelfabrik A/S
    Inventors: Sigmund Ege, Anders T. Aasbo, Freddy Heigh