Patents by Inventor Robert J. Roach

Robert J. Roach 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).

  • Adjustable Strike
    Publication number: 20080252085
    Abstract: This invention is for an adjustable strike. The adjustable strike is a strike plate having a hole to receive a latch bolt. There is an adjustment piece that adjusts the size of the hole so that the latch bolt will latch properly.
    Type: Application
    Filed: April 11, 2008
    Publication date: October 16, 2008
    Applicant: ERVOS, INC.
    Inventors: Alfred L. Langtry, Jeffrey A. Yonkey, Robert J. Roach
  • Bulk explosive mixing and delivery apparatus
    Patent number: 4199262
    Abstract: A mobile mixing and delivery apparatus for bulk slurry explosive compositions is provided. The apparatus comprises a vehicle body upon which is mounted a rotatable drum mixer. Explosive ingredients are fed into the mixer, mixed and then delivered close to the point of use where they are pumped through a hose into boreholes. Provision is made for the addition of thickness or other additives to the slurry during pumping.
    Type: Grant
    Filed: March 13, 1979
    Date of Patent: April 22, 1980
    Assignee: Canadian Industries Limited
    Inventors: William E. Cribb, Robert J. Roach