Patents by Inventor Steven P. Newman

Steven P. Newman 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).

  • Battery shuttle for electric well service rigs
    Patent number: 11674365
    Abstract: A battery shuttle method uses a portable battery shuttle for delivering backup power to an electric well service rig operating in a well field that includes multiple wells. The electric well service rig has a rechargeable rig power pack for powering the rig's electric hoist. The electric hoist is used for removing and installing a wellstring within a chosen well. The battery shuttle has a rechargeable shuttle power pack for recharging the rig power pack when needed. The battery shuttle can travel back and forth between the electric well service rig and a charging station. The charging station is used for recharging the shuttle power pack.
    Type: Grant
    Filed: February 14, 2023
    Date of Patent: June 13, 2023
    Inventors: Frederic M Newman, James F Newman, Steven P Newman
  • Environmentally friendly demulsifiers for crude oil emulsions
    Patent number: 8802740
    Abstract: The present invention provides environmentally friendly demulsifiers for the breakdown of petroleum oil applications. The demulsification formulations of the present invention are biodegradable and are low in toxicity. The demulsifiers include a poly(tetramethylene glycol) and an alkylene glycol copolymer linked to the poly(tetramethylene glycol) by a difunctional coupling agent.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: August 12, 2014
    Assignee: Nalco Energy Services L.P
    Inventors: Steven P. Newman, Carl Hahn, Robert D. McClain
  • ENVIRONMENTALLY FRIENDLY DEMULSIFIERS FOR CRUDE OIL EMULSIONS
    Publication number: 20090259004
    Abstract: The present invention provides environmentally friendly demulsifiers for the breakdown of petroleum oil applications. The demulsification formulations of the present invention are biodegradable and are low in toxicity. The demulsifiers include a poly(tetramethylene glycol) and an alkylene glycol copolymer linked to the poly(tetramethylene glycol) by a difunctional coupling agent.
    Type: Application
    Filed: June 22, 2009
    Publication date: October 15, 2009
    Inventors: Steven P. Newman, Carl Hahn, Robert D. McClain
  • Environmentally friendly demulsifiers for crude oil emulsions
    Patent number: 7566744
    Abstract: The present invention provides environmentally friendly demulsifiers for the break down of petroleum oil applications. The demulsification formulations of the present invention are biodegradable and are low in toxicity. The demulsifiers include a poly(tetramethylene glycol) and an alkylene glycol copolymer linked to the poly(tetramethylene glycol) by a difunctional coupling agent.
    Type: Grant
    Filed: December 20, 2004
    Date of Patent: July 28, 2009
    Assignee: Nalco Company
    Inventors: Steven P. Newman, Carl Hahn, Robert D. McClain