Patents by Inventor Russ R. Hard

Russ R. Hard 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).

  • Water/oil separator and use thereof
    Patent number: 6641738
    Abstract: A process for the removal of oil from oil-contaminated water is efficient, inexpensive, and capable of oil removal to a level where the water may be disposed of by conventional sewage treatment or reused. The apparatus which performs the process consists of an elongate housing having at least one upwardly extending oil collection tower and an oily water inlet mediate the oil or oil-enriched water outlet and the “clean” water outlet. The elongate housing and preferably also the oil collection tube are filled with beads of hydrophobic polymer.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: November 4, 2003
    Assignee: Rehrig Pacific Company
    Inventor: Russ R. Hard
  • Water/oil separator
    Publication number: 20030042213
    Abstract: A process for the removal of oil from oil-contaminated water is efficient, inexpensive, and capable of oil removal to a level where the water may be disposed of by conventional sewage treatment or reused. The apparatus which performs the process consists of an elongate housing having at least one upwardly extending oil collection tower and an oily water inlet mediate the oil or oil-enriched water outlet and the “clean” water outlet. The elongate housing and preferably also the oil collection tube are filled with beads of hydrophobic polymer.
    Type: Application
    Filed: August 16, 2001
    Publication date: March 6, 2003
    Applicant: REHRIG PACIFIC COMPANY
    Inventor: Russ R. Hard