Patents by Inventor Daniel M. da Costa

Daniel M. da Costa 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).

  • Environmentally compatible hydraulic fluid
    Publication number: 20100204075
    Abstract: Environmentally safe and compatible fluids that are useful as lubricants, and especially as hydraulic fluids, in mobile machinery are formulated to be non-contaminating when accidentally contacted with surrounding vegetation, and removable from vegetation by simply washing the vegetation with tap water. The fluids of the invention are polyalkylene glycol-based and having an ethylene oxide to propylene oxide ratio of from about 68:32 to about 78:22.
    Type: Application
    Filed: April 21, 2010
    Publication date: August 12, 2010
    Inventor: Daniel M. da Costa
  • Environmentally compatible hydraulic fluid
    Patent number: 7741259
    Abstract: Environmentally safe and compatible fluids that are useful as lubricants, and especially as hydraulic fluids, in mobile machinery are formulated to be non-contaminating when accidentally contacted with surrounding vegetation, and removable from vegetation by simply washing the vegetation with tap water. The fluids of the invention are polyalkylene glycol-based and having an ethylene oxide to propylene oxide ratio of from about 68:32 to about 78:22.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: June 22, 2010
    Assignee: EnBio Industries, Inc.
    Inventor: Daniel M. da Costa