Patents by Inventor Carl A. Eggers

Carl A. Eggers 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).

  • Hydraulic fluid, hydraulic equipment containing this fluid and a concentrate of this fluid
    Patent number: 4354949
    Abstract: Hydraulic fluids consisting of oil in water emulsion comprising 90-99%w of water, non-ionic emulsifier and 0.5-5%w of a high viscosity lubricating oil having a kinematic viscosity of 40.degree. C. of at least 160 cS.
    Type: Grant
    Filed: January 21, 1981
    Date of Patent: October 19, 1982
    Assignee: Shell Oil Company
    Inventors: Carl A. Eggers, Gerald D. Galvin