Patents by Inventor Stephen Frederick Kelsey

Stephen Frederick Kelsey 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).

  • Fluid dispensing and measuring systems
    Patent number: 6796343
    Abstract: A shuttle container (2) is used in conjunction with a dispenser (22) to receive a metered dose of a liquid from a reservoir (26). The dispenser (22) includes a metering chamber which is filled and emptied by a pair of valves (43 and 58) operated by a common shaft (40). The shuttle container (2) has a locating sleeve (12) which engages with a locating slot (36) in the dispenser (22) to axially align the shuttle container (2) with the dispenser. The shuttle (2) carries a spigot (14) engage the shaft (40) to effect a discharge of liquid into the shuttle container (2). The collar (6) of the shuttle container (2) has a pair of dogs (8) which engage respective slots (38) in the outer circumference of the dispenser (22). Before the dogs (8) can engage the slots (38), the profiled end of the spigot (14) must engage a matingly profiled recess in the shaft (40). Before the shaft (40) can be displaced, it must be rotated to move a projection (52) on the shaft out of alignment with an abutment (50).
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: September 28, 2004
    Assignee: Syngenta Limited
    Inventors: Stephen Frederick Kelsey, John Madoc Kelso, Gerard Michael O'Brien
  • Fluid dispensing and measuring systems
    Publication number: 20040112462
    Abstract: A shuttle container (2) is used in conjunction with a dispenser (22) to receive a metered dose of a liquid from a reservoir (26). The dispenser (22) includes a metering chamber which is filled and emptied by a pair of valves (43 and 58) operated by a common shaft (40). The shuttle container (2) has a locating sleeve (12) which engages with a locating slot (36) in the dispenser (22) to axially align the shuttle container (2) with the dispenser. The shuttle (2) carries a spigot (14) engage the shaft (40) to effect a discharge of liquid into the shuttle container (2). The collar (6) of the shuttle container (2) has a pair of dogs (8) which engage respective slots (38) in the outer circumference of the dispenser (22). Before the dogs (8) can engage the slots (38), the profiled end of the spigot (14) must engage a matingly profiled recess in the shaft (40). Before the shaft (40) can be displaced, it must be rotated to move a projection (52) on the shaft out of alignment with an abutment (50).
    Type: Application
    Filed: October 20, 2003
    Publication date: June 17, 2004
    Inventors: Stephen Frederick Kelsey, John Madoc Kelso, Gerard Michael O'Brien
  • Bottle
    Patent number: D392567
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: March 24, 1998
    Assignee: Reckitt & Colman Products Limited
    Inventors: Christopher Dumont, Stephen Frederick Kelsey
  • Pharmaceutical package
    Patent number: D404641
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: January 26, 1999
    Assignee: John Wyeth & Brother Limited
    Inventors: Stephen Frederick Kelsey, Donald Williams
  • Bottle with trigger pump
    Patent number: D406052
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: February 23, 1999
    Assignee: Reckitt & Colman Products Limited
    Inventors: Christopher Dumont, Stephen Frederick Kelsey
  • Trigger pump
    Patent number: D406060
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: February 23, 1999
    Assignee: Reckitt & Colman Products Limited
    Inventors: Christopher Dumont, Stephen Frederick Kelsey