Patents by Inventor Michael W. Derus

Michael W. Derus 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: 20220011065
    Abstract: A firearm magazine loader is disclosed herein. The firearm magazine loader, in an embodiment, includes a base, a body supported by the base, an ammunition receptacle supported by the body, and a cartridge positioner moveably coupled to the body. The cartridge positioner includes a plurality of fingers spaced apart by a plurality of gaps. Furthermore, the cartridge positioner includes a ramp extending downward when the firearm magazine loader is vertically oriented.
    Type: Application
    Filed: September 13, 2021
    Publication date: January 13, 2022
    Applicant: MagPump, LLC
    Inventors: Michael W. Derus, Kenneth P. Green
  • Patent number: 11118854
    Abstract: An ammunition movement system and method are disclosed herein. The ammunition movement system, in an embodiment, includes a first driver moveable to apply a first force to an ammunition cartridge unit. The first force acts along a first axis that extends in a first plane. The system also includes a second driver moveable to apply a second force to the ammunition cartridge unit. The second force acts along a second axis that extends in a second plane. The system also includes an actuator operatively coupled to the first driver and the second driver. The first plane intersects with the second plane. The actuator, the first driver and the second driver are configured to cooperate to move the ammunition cartridge unit through a magazine opening of a firearm magazine.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: September 14, 2021
    Assignee: MagPump, LLC
    Inventors: Michael W. Derus, Kenneth P. Green
  • Publication number: 20210140731
    Abstract: An ammunition movement system and method are disclosed herein. The ammunition movement system, in an embodiment, includes a first driver moveable to apply a first force to an ammunition cartridge unit. The first force acts along a first axis that extends in a first plane. The system also includes a second driver moveable to apply a second force to the ammunition cartridge unit. The second force acts along a second axis that extends in a second plane. The system also includes an actuator operatively coupled to the first driver and the second driver. The first plane intersects with the second plane. The actuator, the first driver and the second driver are configured to cooperate to move the ammunition cartridge unit through a magazine opening of a firearm magazine.
    Type: Application
    Filed: August 28, 2020
    Publication date: May 13, 2021
    Applicant: MagPump, LLC
    Inventors: Michael W. Derus, Kenneth P. Green
  • Patent number: 10788281
    Abstract: A firearm magazine loader and method are disclosed herein. The firearm magazine loader, in an embodiment, has a receptacle configured to receive a plurality of ammunition units. The firearm magazine loader also has a body that defines or includes a loading structure. The loading structure is configured to be coupled to a plurality of different types of magazine adapters. Each one of the magazine adapters is configured to be coupled to one of a plurality of different types of firearm magazines.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: September 29, 2020
    Assignee: MagPump, LLC
    Inventors: Michael W. Derus, Kenneth P. Green
  • Publication number: 20190226781
    Abstract: A firearm magazine loader and method are disclosed herein. The firearm magazine loader, in an embodiment, has a receptacle configured to receive a plurality of ammunition units. The firearm magazine loader also has a body that defines or includes a loading structure. The loading structure is configured to be coupled to a plurality of different types of magazine adapters. Each one of the magazine adapters is configured to be coupled to one of a plurality of different types of firearm magazines.
    Type: Application
    Filed: January 22, 2019
    Publication date: July 25, 2019
    Applicant: MagPump, LLC
    Inventors: Michael W. Derus, Kenneth P. Green
  • Patent number: 10274282
    Abstract: An archery draw stop system and method are disclosed herein. The archery draw stop system, in an embodiment, includes a limb engager configured to be mounted to a limb portion of a limb of an archery bow. The archery draw stop system also has a draw stopper portion configured to engage a member that is coupled to a rotary of the archery bow.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: April 30, 2019
    Assignee: Perfect Form Manufacturing LLC
    Inventor: Michael W. Derus
  • Patent number: 10082357
    Abstract: An archery bow riser for an archery bow is disclosed. The archery riser, in an embodiment, includes a first section, a frame connected to the first section and a second section connected to the frame. The frame defines a cavity or inner space, and the frame is configured to reduce deformation of at least part of the archery bow riser.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: September 25, 2018
    Assignee: Perfect Form Manufacturing LLC
    Inventor: Michael W. Derus
  • Publication number: 20180195829
    Abstract: An archery draw stop system and method are disclosed herein. The archery draw stop system, in an embodiment, includes a limb engager configured to be mounted to a limb portion of a limb of an archery bow. The archery draw stop system also has a draw stopper portion configured to engage a member that is coupled to a rotary of the archery bow.
    Type: Application
    Filed: January 10, 2018
    Publication date: July 12, 2018
    Applicant: Perfect Form Manufacturing LLC
    Inventor: Michael W. Derus
  • Patent number: 9879956
    Abstract: An arrowhead adapter, in an embodiment, includes an interface and a body which defines a bore. The body has an outer surface configured to fit within a gap formed between an inner surface of an arrow shaft and a blade holder to apply a stabilizing force to the blade holder in the assembled state.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: January 30, 2018
    Assignee: Slick Trick LLC
    Inventors: Michael W. Derus, Hans Walthert
  • Publication number: 20170191785
    Abstract: An archery bow riser for an archery bow is disclosed. The archery riser, in an embodiment, includes a first section, a frame connected to the first section and a second section connected to the frame. The frame defines a cavity or inner space, and the frame is configured to reduce deformation of at least part of the archery bow riser.
    Type: Application
    Filed: February 7, 2017
    Publication date: July 6, 2017
    Applicant: Perfect Form Manufacturing LLC
    Inventor: Michael W. Derus
  • Publication number: 20170138707
    Abstract: An arrowhead adapter, in an embodiment, includes an interface and a body which defines a bore. The body has an outer surface configured to fit within a gap formed between an inner surface of an arrow shaft and a blade holder to apply a stabilizing force to the blade holder in the assembled state.
    Type: Application
    Filed: November 15, 2016
    Publication date: May 18, 2017
    Applicant: Slick Trick LLC
    Inventors: Michael W. Derus, Hans Walthert
  • Patent number: 9599424
    Abstract: A riser for a bow is disclosed. The riser, in an embodiment, includes an upper section, a structure, a middle section, and a lower section. The structure defines a cavity, and the structure is configured to reduce deformation of at least part of the riser.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: March 21, 2017
    Assignee: Perfect Form Manufacturing LLC
    Inventor: Michael W. Derus
  • Publication number: 20160265865
    Abstract: A riser for a bow is disclosed. The riser, in an embodiment, includes an upper section, a structure, a middle section, and a lower section. The structure defines a cavity, and the structure is configured to reduce deformation of at least part of the riser.
    Type: Application
    Filed: May 24, 2016
    Publication date: September 15, 2016
    Applicant: Perfect Form Manufacturing LLC
    Inventor: Michael W. Derus
  • Patent number: 9377266
    Abstract: A riser for a bow is disclosed. The riser includes a top riser section that is joined to a middle riser section by a first and second step. The first and second steps strengthen the riser and permit the riser to be formed from less material while resisting undesirable deformation during use.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: June 28, 2016
    Assignee: Perfect Form Manufacturing LLC
    Inventor: Michael W. Derus
  • Publication number: 20160061556
    Abstract: A positioning system for positioning an archery bow stabilizer at an adjustable angle is described herein. The positioning system can take one of several forms, such as a plurality of bushings, an insert or mount configured to mate with a cavity or recess in the bow riser, or a geared attachment.
    Type: Application
    Filed: August 27, 2015
    Publication date: March 3, 2016
    Applicant: Elite Outdoors LLC
    Inventors: Garret Armstrong, Hans Walthert, Eric Griggs, Michael W. Derus
  • Patent number: D800865
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: October 24, 2017
    Assignee: Slick Trick, LLC
    Inventors: Michael W. Derus, Hans Walthert
  • Patent number: D896340
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: September 15, 2020
    Assignee: MagPump, LLC
    Inventors: Michael W. Derus, Kenneth P. Green
  • Patent number: D924351
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: July 6, 2021
    Assignee: TOG-IP LLC
    Inventors: Michael W. Derus, Paul A. Vaicunas
  • Patent number: D957565
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: July 12, 2022
    Assignee: MagPump, LLC
    Inventors: Michael W. Derus, Kenneth P. Green
  • Patent number: RE49628
    Abstract: An archery bow riser for an archery bow is disclosed. The archery riser, in an embodiment, includes a first section, a frame connected to the first section and a second section connected to the frame. The frame defines a cavity or inner space, and the frame is configured to reduce deformation of at least part of the archery bow riser.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: August 29, 2023
    Assignee: TOG-IP LLC
    Inventor: Michael W. Derus