Patents by Inventor Timothy Leaver

Timothy Leaver 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: 20180345232
    Abstract: Disclosed herein are fluidic mixers having bifurcated fluidic flow through toroidal mixing elements. The mixers operate, at least partially, by Dean vortexing. Accordingly, the mixers are referred to as Dean Vortex Bifurcating Mixers (“DVBM”). The DVBM utilize Dean vortexing and asymmetric bifurcation of the fluidic channels that form the mixers to achieve the goal of optimized microfluidic mixing. The disclosed DVBM mixers can be incorporated into any fluidic (e.g., microfluidic) device known to those of skill in the art where mixing two or more fluids is desired. The disclosed mixers can be combined with any fluidic elements known to those of skill in the art, including syringes, pumps, inlets, outlets, non-DVBM mixers, heaters, assays, detectors, and the like.
    Type: Application
    Filed: August 13, 2018
    Publication date: December 6, 2018
    Applicant: The University of British Columbia
    Inventors: Andre Wild, Timothy Leaver, Robert James Taylor
  • Publication number: 20180280970
    Abstract: Limit size lipid nanoparticles, methods for using the lipid nanoparticles, and methods and systems for making limit size lipid nanoparticles.
    Type: Application
    Filed: March 21, 2018
    Publication date: October 4, 2018
    Applicant: The University of British Columbia
    Inventors: Pieter R. Cullis, Igor V. Jigaltsev, Robert James Taylor, Timothy Leaver, Andre Wild, Nathan Maurice Belliveau
  • Patent number: 10076730
    Abstract: Disclosed herein are fluidic mixers having bifurcated fluidic flow through toroidal mixing elements. The mixers operate, at least partially, by Dean vortexing. Accordingly, the mixers are referred to as Dean Vortex Bifurcating Mixers (“DVBM”). The DVBM utilize Dean vortexing and asymmetric bifurcation of the fluidic channels that form the mixers to achieve the goal of optimized microfluidic mixing. The disclosed DVBM mixers can be incorporated into any fluidic (e.g., microfluidic) device known to those of skill in the art where mixing two or more fluids is desired. The disclosed mixers can be combined with any fluidic elements known to those of skill in the art, including syringes, pumps, inlets, outlets, non-DVBM mixers, heaters, assays, detectors, and the like.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: September 18, 2018
    Assignee: The University of British Columbia
    Inventors: Andre Wild, Timothy Leaver, Robert James Taylor
  • Publication number: 20180111830
    Abstract: The present disclosure is directed towards a disposable microfluidic cartridge configured for use in a system for the small scale production of nanoparticles used in scientific research or therapeutic applications. The system can be used to produce a wide variety of nanoparticles, including but not limited to lipid and polymer nanoparticles, carrying a variety of payloads. The system provides for a simple workflow which in certain embodiments can be used to produce a sterile product.
    Type: Application
    Filed: October 27, 2017
    Publication date: April 26, 2018
    Applicant: The University of British Columbia
    Inventors: Andre Wild, Timothy Leaver, Colin Walsh, Gesine Heuck, Anitha Thomas, Aysha Ansari, Kevin Ou, Robert James Taylor, Euan Ramsay
  • Patent number: 9943846
    Abstract: Limit size lipid nanoparticles, methods for using the lipid nanoparticles, and methods and systems for making limit size lipid nanoparticles.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: April 17, 2018
    Assignee: The University of British Columbia
    Inventors: Pieter R. Cullis, Igor V. Jigaltsev, James R. Taylor, Timothy Leaver, Andre Wild, Nathan Maurice Belliveau
  • Publication number: 20180093232
    Abstract: Disclosed herein are fluidic mixers having bifurcated fluidic flow through toroidal mixing elements. The mixers operate, at least partially, by Dean vortexing. Accordingly, the mixers are referred to as Dean Vortex Bifurcating Mixers (“DVBM”). The DVBM utilize Dean vortexing and asymmetric bifurcation of the fluidic channels that form the mixers to achieve the goal of optimized microfluidic mixing. The disclosed DVBM mixers can be incorporated into any fluidic (e.g., microfluidic) device known to those of skill in the art where mixing two or more fluids is desired. The disclosed mixers can be combined with any fluidic elements known to those of skill in the art, including syringes, pumps, inlets, outlets, non-DVBM mixers, heaters, assays, detectors, and the like.
    Type: Application
    Filed: August 24, 2016
    Publication date: April 5, 2018
    Applicant: The University of British Columbia
    Inventors: Andre Wild, Timothy Leaver, Robert James Taylor
  • Publication number: 20180043320
    Abstract: The present disclosure is directed towards improved systems and methods for large-scale production of nanoparticles used for delivery of therapeutic material. The apparatus can be used to manufacture a wide array of nanoparticles containing therapeutic material including, but not limited to, lipid nanoparticles and polymer nanoparticles. In certain embodiments, continuous flow operation and parallelization of microfluidic mixers contribute to increased nanoparticle production volume.
    Type: Application
    Filed: February 24, 2016
    Publication date: February 15, 2018
    Applicant: The University of British Columbia
    Inventors: Euan RAMSAY, Robert James TAYLOR, Timothy LEAVER, Andre WILD, Kevin OU, Colin WALSH
  • Publication number: 20160235688
    Abstract: Methods and devices for making particles at small volumes.
    Type: Application
    Filed: October 16, 2014
    Publication date: August 18, 2016
    Inventors: Colin Walsh, Andre Wild, Robert James Taylor, Timothy Leaver, Kevin Ou, Euan Ramsay, Aysha Ansari
  • Publication number: 20160214103
    Abstract: Limit size lipid nanoparticles, methods for using the lipid nanoparticles, and methods and systems for making limit size lipid nanoparticles.
    Type: Application
    Filed: March 31, 2016
    Publication date: July 28, 2016
    Applicant: The University of British Columbia
    Inventors: Pieter R. Cullis, Igor V. Jigaltsev, James R. Taylor, Timothy Leaver, Andre Wild, Nathan Maurice Belliveau
  • Publication number: 20160158383
    Abstract: Methods and devices for manufacturing polymer particles containing a therapeutic material and polymer conjugate particles comprising (a) introducing a first stream comprising a first solvent into a channel, wherein the channel has a first region adapted for flowing one or more streams introduced into the channel and a second region for mixing the contents of the one or more streams; (b) introducing a second stream comprising polymer conjugate in a second solvent into the channel to provide first and second streams flowing in the channel; (c) flowing the one or more first streams and the one or more second streams from the first region of the channel into the second region of the channel; (d) mixing of the contents of the one or more first streams and the one or more second streams flowing in the second region of the channel to provide a third stream comprising polymer conjugate nanoparticles.
    Type: Application
    Filed: July 25, 2014
    Publication date: June 9, 2016
    Applicant: The University of British Columbia
    Inventors: Euan Ramsay, Robert James Taylor, Andre Wild, Timothy Leaver, Colin Walsh
  • Publication number: 20140328759
    Abstract: Various lipid nanoparticles are disclosed, including nanoparticles comprising a lipid bilayer comprising a phospholipid, a sterol, a polyethylene glycol-lipid surrounding an aqueous core which comprises a therapeutic and/or diagnostic agent and nanoparticles comprising a lipid monolayer surrounding a hydrophobic core. Of particular interest are limit size lipid nanoparticles with a diameter from 10-100 nm. Such lipid nanoparticles are the smallest particles possible for a specific particle composition. Methods and apparatus for preparing such limit size lipid nanoparticles are disclosed.
    Type: Application
    Filed: October 25, 2012
    Publication date: November 6, 2014
    Applicant: THE UNIVERSITY OF BRITISH COLUMBIA
    Inventors: Pieter R. Cullis, Igor V. Jigaltsev, James R. Taylor, Timothy Leaver, Andre Wild, Nathan Maurice Belliveau
  • Publication number: 20140208832
    Abstract: Methods of determining a first position at which a dispersed phase droplet wets a surface of a channel are provided herein. The methods include immersing the dispersed phase droplet in a continuous phase fluid, wherein the continuous phase fluid is immiscible with the dispersed phase droplet, subsequently flowing the dispersed phase droplet in the continuous phase through the channel at a dispersed phase droplet velocity, wherein the dispersed phase droplet is separated from the surface by a film of the continuous phase fluid having a film thickness, and reducing the film thickness to rupture the film at the first position, wherein the droplet wets the surface at the first position.
    Type: Application
    Filed: September 28, 2012
    Publication date: July 31, 2014
    Applicant: The University of British Columbia
    Inventors: Carl Lars Genghis Hansen, Kaston K. Leung, Timothy Leaver, Hans Zahn
  • Patent number: D771833
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: November 15, 2016
    Assignee: University of British Columbia
    Inventors: Timothy Leaver, Andre Wild
  • Patent number: D771834
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: November 15, 2016
    Assignee: University of British Columbia
    Inventors: Timothy Leaver, Andre Wild
  • Patent number: D772427
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: November 22, 2016
    Assignee: University of British Columbia
    Inventors: Timothy Leaver, Andre Wild
  • Patent number: D800336
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: October 17, 2017
    Assignee: PRECISION NANOSYSTEMS INC
    Inventors: Shao Fang Shannon Chang, Andre Wild, Sukhjinder Singh Sidhu, Ke Ma, Benjamin Albert Versteeg, Timothy Leaver
  • Patent number: D803416
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: November 21, 2017
    Assignee: University of British Columbia
    Inventors: Timothy Leaver, Andre Wild
  • Patent number: D812242
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: March 6, 2018
    Assignee: PRECISION NANOSYSTEMS INC
    Inventors: Shao Fang Shannon Chang, Andre Wild, Sukhjinder Singh Sidhu, Ke Ma, Benjamin Albert Versteeg, Timothy Leaver