Patents by Inventor Alfred A. Gilroy

Alfred A. Gilroy 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).

  • Self protecting spray nozzle
    Patent number: 4437611
    Abstract: A spray nozzle is disclosed for a sprinkler system in a corrosive or dirty environment. The spray nozzle of the present invention retains its operability over known types of spray nozzles, particularly when used in hot environments or in corrosive, dirty environments. The spray nozzle has a tubular body formed from heat resistant thermoplastic material with an inlet at one end and an outlet orifice at the other end.
    Type: Grant
    Filed: August 23, 1982
    Date of Patent: March 20, 1984
    Assignee: MacMillan Bloedel Limited
    Inventor: Alfred A. Gilroy