Patents by Inventor Russell D. Johnson

Russell D. Johnson 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).

  • Block copolymers
    Patent number: 11938191
    Abstract: Described herein are block copolymers, and methods of making and utilizing such copolymers. The described block copolymers are disruptive of a cellular membrane, including an extracellular membrane, an intracellular membrane, a vesicle, an organelle, an endosome, a liposome, or a red blood cell. Preferably, in certain instances, the block copolymer disrupts the membrane and enters the intracellular environment. In specific examples, the block copolymer is endosomolytic and capable of delivering an oligonucleotide (e.g., an mRNA) to a cell. Compositions comprising a block copolymer and an oligonucleotide (e.g., an mRNA) are also disclosed.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: March 26, 2024
    Assignee: GENEVANT SCIENCES GMBH
    Inventors: Sean D. Monahan, Michael S. Declue, Pierrot Harvie, Russell N. Johnson, Amber E. Paschal, Mary G. Prieve, Debashish Roy, Charbel Diab, Michael E. Houston, Jr., Anna Galperin, Maher Qabar
  • Method and apparatus for remediating wastewater holding areas and the like
    Patent number: 7005064
    Abstract: A method and apparatus for remediating wastewater holding areas and the like includes a closed, foraminous dewatering membrane that is positioned adjacent to the wastewater holding area. Sludge and adjacent water on the bottom of the wastewater holding area are pumped in the form of a sludge slurry into the interior of the dewatering membrane. The water is removed from the sludge slurry by allowing gravitational forces to flow water through the dewatering membrane. The dewatering membrane is then opened, and the dewatered sludge is removed for depositing at an appropriate site.
    Type: Grant
    Filed: August 16, 2004
    Date of Patent: February 28, 2006
    Assignee: Infrastructure Alternatives
    Inventors: Robert A. Keller, William J. Cretens, Kent T. Depuydt, Dana J. Trierweiler, Russell D. Johnson, Dean R. Wickoren
  • Method and apparatus for remediating wastewater holding areas and the like
    Patent number: 6835314
    Abstract: A method and apparatus for remediating wastewater holding areas and the like includes a closed, foraminous dewatering membrane that is positioned adjacent to the wastewater holding area. Sludge and adjacent water on the bottom of the wastewater holding area are pumped in the form of a sludge slurry into the interior of the dewatering membrane. The water is removed from the sludge slurry by allowing gravitational forces to flow water through the dewatering membrane. The dewatering membrane is then opened, and the dewatered sludge is removed for depositing at an appropriate site.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: December 28, 2004
    Assignee: Infrastructure Alternatives
    Inventors: Robert A. Keller, William J. Cretens, Kent T. Depuydt, Dana J. Trierweiler, Russell D. Johnson, Dean R. Wickoren
  • METHOD AND APPARATUS FOR REMEDIATING WASTEWATER HOLDING AREAS AND THE LIKE
    Publication number: 20030062319
    Abstract: A method and apparatus for remediating waster water holding areas and the like includes a closed, foraminous dewatering membrane that is positioned adjacent to the wastewater holding area. Sludge and adjacent water on the bottom of the wastewater holding area are pumped in the form of a sludge slurry into the interior of the dewatering membrane. The water is removed from the sludge slurry by allowing gravitational forces to flow water through the dewatering membrane. The dewatering membrane is then opened, and the dewatered sludge is removed for depositing at an appropriate site.
    Type: Application
    Filed: March 8, 2002
    Publication date: April 3, 2003
    Applicant: Infrastructure Alternatives
    Inventors: Robert A. Keller , William J. Cretens , Kent T. Depuydt , Dana J. Trierweiler , Russell D. Johnson , Dean R. Wickoren
  • Seed trench digger with indexing structure
    Patent number: 4428436
    Abstract: A manually manipulable tool movable along a linear index to create a trench for planting seeds at a spaced distance from the index. The depth of the trench and its spacing from an index are adjustably variable. The device may be indexed from either side and may create an additional indexing indicia at a spaced distance from the seed trench created.
    Type: Grant
    Filed: February 18, 1983
    Date of Patent: January 31, 1984
    Inventor: Russell D. Johnson
  • Tool for positioning and defining holes in wall panels
    Patent number: 4338724
    Abstract: A series of flat templates, each having a peripheral shape of a hole required in a wall panel, that may be releasably positioned on a utility fixture to be serviced by the hole. The panel facing side of each template is provided with an adhesive so that if a wall panel that is ultimately to define a hole to service a utility fixture is positioned against the template it will releasably adhere to the panel to determine position and configuration of the hole to be established. The template adhesive is of a form that may be reused and replaced.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: July 13, 1982
    Inventor: Russell D. Johnson