Patents by Inventor Robert W. Marsh

Robert W. Marsh 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).

  • Antimicrobial hydrophilic coating
    Patent number: 5305827
    Abstract: Heat transfer surfaces in condensing heat exchangers are often coated with a hydrophilic coating to provide wetting and wicking. This coating is typically porous and continuously moist during operation and, therefore, a potential breeding ground for microbes. The inclusion of an antimicrobial agent, such as silver oxide, in the coating inhibits microbial growth and improves adhesion to the heat transfer surfaces.
    Type: Grant
    Filed: March 4, 1992
    Date of Patent: April 26, 1994
    Assignee: United Technologies Corporation
    Inventors: John W. Steele, Philip J. Birbara, Robert W. Marsh, Timothy D. Scull
  • Antimicrobial hydrophilic coating
    Patent number: 5264250
    Abstract: Heat transfer surfaces in condensing heat exchangers are often coated with a hydrophilic coating to provide wetting and wicking. This coating is typically porous and continuously moist during operation and, therefore, a potential breeding ground for microbes. The inclusion of an antimicrobial agent, such as silver oxide, in the coating inhibits microbial growth and improves adhesion to the heat transfer surfaces.
    Type: Grant
    Filed: August 5, 1992
    Date of Patent: November 23, 1993
    Assignee: United Technologies Corporation
    Inventors: John W. Steele, Philip J. Birbara, Robert W. Marsh, Timothy D. Scull