Patents by Inventor David Shane Gregory

David Shane Gregory 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).

  • Seal cartridge for a rotating nozzle assembly
    Patent number: 9321067
    Abstract: A seal cartridge and a rotating nozzle assembly utilizing the seal cartridge are disclosed. The main seal member in the nozzle assembly is mounted as part of the seal cartridge. The seal cartridge is also easily removable from the rotating nozzle assembly without requiring the separate removal of the main seal member from the seal cartridge. This configuration allows a user to quickly install a new or rebuilt seal during an operation while minimizing or eliminating the necessity to manipulate small parts in the field.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: April 26, 2016
    Assignee: Federal Signal Corporation
    Inventors: John B. Schaer, III, David Shane Gregory, Kasi Amaravadi
  • SEAL CARTRIDGE FOR A ROTATING NOZZLE ASSEMBLY
    Publication number: 20120006910
    Abstract: A seal cartridge and a rotating nozzle assembly utilizing the seal cartridge are disclosed. The main seal member in the nozzle assembly is mounted as part of the seal cartridge. The seal cartridge is also easily removable from the rotating nozzle assembly without requiring the separate removal of the main seal member from the seal cartridge. This configuration allows a user to quickly install a new or rebuilt seal during an operation while minimizing or eliminating the necessity to manipulate small parts in the field.
    Type: Application
    Filed: July 8, 2010
    Publication date: January 12, 2012
    Inventors: John B. Schaer, III, David Shane Gregory, Kasi Amaravadi