Patents by Inventor R. Steven Marcus

R. Steven Marcus 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).

  • Metal working lubricant
    Patent number: 5399274
    Abstract: A lubricant composition for use in metalworking processes comprising a fatty acid, an amino alcohol and a phosphate ester. Optional components include a triazole, an amine carboxylate, an amine borate or a vegetable oil. The composition may be used in dilute form in water or alcohol.
    Type: Grant
    Filed: April 22, 1993
    Date of Patent: March 21, 1995
    Inventor: R. Steven Marcus
  • Apparatus and process for vibratory finishing of parts
    Patent number: 4823513
    Abstract: This invention provides apparatus and processes for vibratory finishing of parts wherein the parts are attached to a vibrating head which has internal vibrating mechanism and mechanism for transmitting power to the vibrating mechanism in the vibrating head, then the vibrating head with the parts attached is submerged in the media and the parts vibrated to accomplish the desired finishing. This invention eliminates the necessity for any portion of the vibratory finishing apparatus to vibrate except for that portion which is submerged in the media, namely the vibrating head and attached parts, which is submerged in the media. The finishing provided by this invention is fast, quiet, efficient, effective and versatile.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: April 25, 1989
    Assignee: Mermark, Inc.
    Inventors: R. Steven Marcus, Richard N. Mercurio