Patents by Inventor Kevin Kendall

Kevin Kendall 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).

  • Hydraulic cement composition
    Patent number: 4353747
    Abstract: A hydraulic cement composition comprising a mixture of at least one particulate hydraulic cement and water in which the weight average mean particle size of the particles of the cement is less than 20 microns and in which the proportion of water is not greater than 30% by weight of the hydraulic cement in the composition, the cement being preferably substantially free of particles having a size above 20 microns and the proportion of water being preferably not greater than 20% by weight.
    Type: Grant
    Filed: June 17, 1980
    Date of Patent: October 12, 1982
    Assignee: Imperial Chemical Industries Limited
    Inventors: James D. Birchall, Kevin Kendall