Patents by Inventor John M. Putnam

John M. Putnam 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).

  • Method of using anionic copolymer formulations for seepage control
    Patent number: 7306406
    Abstract: This invention relates to a method of seepage control which comprises contacting a soil surface with a composition comprising anionic copolymers and a surfactant. This invention provides a method of seepage control for irrigation ditches, drainage ditches, farm ponds, feeder canals, golf course water features, park ponds and lakes, lagoons, and the like.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: December 11, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: John M. Putnam, William R. Wernsmann
  • Device for calculating fluid loss from a body during exercise
    Patent number: 6138079
    Abstract: A device is disclosed in which a housing is adapted for attachment to an athlete's body or clothing during exercise. Physical data about the athlete is entered via a keypad located on the surface of the device. A calculation process then takes the physical data entered by the athlete and calculates the amount of water being lost through dehydration. This information, along with a graphic display of how much water the athlete should drink, is presented on a screen on the surface of the device.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: October 24, 2000
    Inventor: John M. Putnam