Patents by Inventor Conrad Stewart

Conrad Stewart 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).

  • Publication number: 20170095449
    Abstract: This invention is directed to pharmaceutical compositions for topical administration to a mammal, wherein the pharmaceutical compositions comprise a spiro-oxindole compound, as an enantiomer, a racemate or a non-racemic mixture, or a pharmaceutically acceptable salt thereof. These pharmaceutical compositions are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions.
    Type: Application
    Filed: October 11, 2016
    Publication date: April 6, 2017
    Inventors: Conrad Stewart Winters, Meidong Yang, Haigang Chen
  • Patent number: 9504671
    Abstract: This invention is directed to pharmaceutical compositions for topical administration to a mammal, wherein the pharmaceutical compositions comprise a spiro-oxindole compound, as an enantiomer, a racemate or a non-racemic mixture, or a pharmaceutically acceptable salt thereof. These pharmaceutical compositions are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: November 29, 2016
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Conrad Stewart Winters, Meidong Yang, Haigang Chen
  • Patent number: 9044787
    Abstract: An automatic scratch-off material removing device for lottery tickets comprises an enclosure, a power source, a brush, and a retention tray. The enclosure comprises a durable housing for the various components of the device having a loading slot where a user may insert a lottery ticket. The power source comprises a replaceable battery which is housed inside the enclosure and accessed via a removable cover located within a bottom surface of the enclosure. The brush comprises an electric rotating brush system which removes the scratch-off material from the ticket via a brush assembly. The excess scratch-off material falls into the retention tray, which is slidably removable from a rear portion of the enclosure.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: June 2, 2015
    Inventor: Conrad Stewart
  • Publication number: 20130143941
    Abstract: This invention is directed to pharmaceutical compositions for topical administration to a mammal, wherein the pharmaceutical compositions comprise a spiro-oxindole compound, as an enantiomer, a racemate or a non-racemic mixture, or a pharmaceutically acceptable salt thereof. These pharmaceutical compositions are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions.
    Type: Application
    Filed: February 25, 2011
    Publication date: June 6, 2013
    Inventors: Conrad Stewart Winters, Meidong Yang, Haigang Chen
  • Publication number: 20110086899
    Abstract: This invention is directed to pharmaceutical compositions for oral administration to a mammal, wherein the pharmaceutical compositions comprise a spiro-oxindole compound, as a single stereoisomer or as a mixture thereof, or a pharmaceutically acceptable salt thereof. These pharmaceutical compositions are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.
    Type: Application
    Filed: October 14, 2010
    Publication date: April 14, 2011
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Conrad Stewart Winters, Shaun Lee Gammill
  • Patent number: D588520
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: March 17, 2009
    Inventor: Conrad Stewart