Patents by Inventor John Nicholas Walker

John Nicholas Walker 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).

  • Method of filling a drug capsule and article produced thereby
    Patent number: 6554818
    Abstract: A needleless injector drug capsule assembly comprising a container, a housing therefor, a piston, and resilient seals to permit filling and sealing thereafter to maintain sterility of the contents. A seal carrier holds a seal through which filling of the capsule is carried out via its outlet orifice, and after filling the seal carrier is closed off, for example by a plug or by heat sealing.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: April 29, 2003
    Assignee: Weston Medical Limited
    Inventors: Terence Edward Weston, John Nicholas Walker
  • Method of filling a drug capsule and article produced thereby
    Publication number: 20020128595
    Abstract: A needleless injector drug capsule assembly comprising a container, a housing therefor, a piston, and resilient seals to permit filling and sealing thereafter to maintain sterility of the contents. A seal carrier holds a seal through which filling of the capsule is carried out via its outlet orifice, and after filling the seal carrier is closed off, for example by a plug or by heat sealing.
    Type: Application
    Filed: December 7, 2000
    Publication date: September 12, 2002
    Applicant: Weston Medical Limited and Medeva Europe Limited
    Inventors: Terence Edward Weston, John Nicholas Walker
  • Method of filling a drug capsule and article produced thereby
    Patent number: 6280410
    Abstract: A needleless injector drug capsule assembly comprising a container, housing therefor, a piston, and resilient seals to permit filling and sealing thereafter to maintain sterility of the contents.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: August 28, 2001
    Assignees: Weston Medical Limited, Medeva Europe Limited
    Inventors: Terence Edward Weston, John Nicholas Walker