Patents by Inventor Frederick A. Hall

Frederick A. Hall 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).

  • Arc and range of coverage adjustable stream rotor sprinkler
    Patent number: 9248459
    Abstract: A sprinkler head nozzle assembly in accordance with an embodiment of the present invention includes a nozzle housing with an inlet for pressurized water and an outlet downstream of the inlet, a rotatable arc of coverage adjustment ring mounted on the housing such that rotation of the arc of coverage adjustment ring extends and reduces an arcuate exit opening, a range adjustment ring, or upstream flow area adjustment ring is also provided with an upstream flow area throttling element that increases or decreases the flow area as the range adjustment ring is rotated.
    Type: Grant
    Filed: January 5, 2009
    Date of Patent: February 2, 2016
    Inventors: Carl L. C. Kah, Jr., Carl L. C. Kah, III, Weiming Feng, Frederick A. Hall
  • PORTABLE BATTERY OPERATED PIPE CUTTER
    Publication number: 20140223746
    Abstract: A portable pipe cutter assembly in accordance with an embodiment of the present application includes a cutting blade that is mounted to move up and down in a vertical plane to cut a pipe. The assembly may include a cradle that supports a lower part of the pipe to prevent deformation as it is being cut. The cutting blade is preferably moved by a battery operated motor.
    Type: Application
    Filed: March 26, 2014
    Publication date: August 14, 2014
    Applicant: K-RAIN MANUFACTURING CORP.
    Inventors: Eric Davis SCHWARTZ, Frederick A. HALL
  • PORTABLE BATTERY OPERATED PIPE CUTTER
    Publication number: 20100186235
    Abstract: A portable pipe cutter assembly in accordance with an embodiment of the present application includes a cutting blade that is mounted to move up and down in a vertical plane to cut a pipe. The assembly may include a cradle that supports a lower part of the pipe to prevent deformation as it is being cut. The cutting blade is preferably moved by a battery operated motor.
    Type: Application
    Filed: January 26, 2010
    Publication date: July 29, 2010
    Inventors: Eric Davis Schwartz, Frederick A. Hall
  • ARC AND RANGE OF COVERAGE ADJUSTABLE STREAM ROTOR SPRINKLER
    Publication number: 20090173803
    Abstract: A sprinkler head nozzle assembly in accordance with an embodiment of the present invention includes a nozzle housing with an inlet for pressurized water and an outlet downstream of the inlet, a rotatable arc of coverage adjustment ring mounted on the housing such that rotation of the arc of coverage adjustment ring extends and reduces an arcuate exit opening, a range adjustment ring, or upstream flow area adjustment ring is also provided with an upstream flow area throttling element that increases or decreases the flow area as the range adjustment ring is rotated.
    Type: Application
    Filed: January 5, 2009
    Publication date: July 9, 2009
    Inventors: Carl L.C. Kah, JR., Carl L.C. Kah, III, Weiming Feng, Frederick A. Hall
  • Control enclosure
    Patent number: D689441
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: September 10, 2013
    Assignee: K-Rain Manufacturing Corp.
    Inventors: Carl L. C. Kah, Jr., Carl L. C. Kah, III, Frederick A. Hall
  • Control module
    Patent number: D706229
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: June 3, 2014
    Assignee: K-Rain Manufacturing Corp.
    Inventors: Carl L. C. Kah, Jr., Carl L. C. Kah, III, Frederick A. Hall