Patents by Inventor Laurance Robbins

Laurance Robbins 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).

  • Patent number: 9823031
    Abstract: A modular automatic or semiautomatic rifle. The rifle has a lower receiver assembly having a fire control assembly for firing the rifle. An upper receiver assembly is provided with a frame and a bolt carrier assembly configured for firing bullets of a predetermined caliber. The lower receiver has a mating interface configured for operably joining the lower receiver assembly to the upper receiver assembly, and for operably joining the lower receiver assembly to another upper receiver assembly different from the upper receiver assembly configured for firing bullets of the predetermined caliber. The other upper receiver assembly has a different frame and different bolt carrier assembly configured for firing bullets of a different predetermined caliber.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: November 21, 2017
    Assignee: COLT'S MANUFACTURING IP HOLDING COMPANY LLC
    Inventors: Laurance Robbins, Kevin Audibert, Kevin Langevin
  • Patent number: 9612072
    Abstract: An upper receiver for a firearm, the upper receiver having: a hand guard section removably connected to the upper receiver via a locking mechanism pivotally mounted to the hand guard section for movement between a locking position and an unlocking position, wherein the locking mechanism requires only a single movement in one direction to move from the locking position to the unlocking position, wherein the hand guard section has peripheral device mounting rails located at a six o'clock position with respect to a centerline of the barrel and wherein the hand guard section is capable of being completely detached and removed from the upper receiver after the locking mechanism has been moved into the unlocking position; and a plurality of integrally formed rails located above the hand guard section and at three, nine and twelve o'clock positions with respect to the centerline of the barrel.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: April 4, 2017
    Assignee: COLT'S MANUFACTURING IP HOLDING COMPANY LLC
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Publication number: 20160131447
    Abstract: An upper receiver for a firearm, the upper receiver having: a hand guard section removably connected to the upper receiver via a locking mechanism pivotally mounted to the hand guard section for movement between a locking position and an unlocking position, wherein the locking mechanism requires only a single movement in one direction to move from the locking position to the unlocking position, wherein the hand guard section has peripheral device mounting rails located at a six o'clock position with respect to a centerline of the barrel and wherein the hand guard section is capable of being completely detached and removed from the upper receiver after the locking mechanism has been moved into the unlocking position; and a plurality of integrally formed rails located above the hand guard section and at three, nine and twelve o'clock positions with respect to the centerline of the barrel.
    Type: Application
    Filed: October 19, 2015
    Publication date: May 12, 2016
    Applicant: COLT'S MANUFACTURING COMPANY LLC
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Patent number: 9279632
    Abstract: A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: March 8, 2016
    Assignee: COLT'S MANUFACTURING IP HOLDING COMPANY LLC
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Publication number: 20140318362
    Abstract: A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.
    Type: Application
    Filed: January 31, 2014
    Publication date: October 30, 2014
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Patent number: 8783160
    Abstract: An indirect gas operating system for a semi-automatic or automatic rifle is provided, the indirect gas operating system having: a gas block secured to the rifle; a barrel secured to the rifle; a bolt carrier slidably received within a receiver of the rifle; a means for moving the bolt carrier within the receiver using gases discharged into a bore of the barrel of the rifle, wherein the means for moving is removably secured to the gas block such that the means for moving can be removed from the rifle through a forward end of the gas block without removing the gas block from the rifle; and an externally threaded barrel nut for securing the barrel to the receiver.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: July 22, 2014
    Assignee: Colt's Manufacturing Company LLC
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Publication number: 20140076152
    Abstract: An indirect gas operating system for a semi-automatic or automatic rifle is provided, the indirect gas operating system having: a gas block secured to the rifle; a barrel secured to the rifle; a bolt carrier slidably received within a receiver of the rifle; a means for moving the bolt carrier within the receiver using gases discharged into a bore of the barrel of the rifle, wherein the means for moving is removably secured to the gas block such that the means for moving can be removed from the rifle through a forward end of the gas block without removing the gas block from the rifle; and an externally threaded barrel nut for securing the barrel to the receiver.
    Type: Application
    Filed: August 12, 2013
    Publication date: March 20, 2014
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Patent number: 8640372
    Abstract: A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: February 4, 2014
    Assignee: Colt Defense, LLC
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Patent number: 8505433
    Abstract: An indirect gas operating system for a semi-automatic or automatic rifle is provided, the indirect gas operating system having: a sleeve removably secured to a forward end of a gas block of the rifle; a piston slidably received within the gas block, wherein the gas block and the sleeve fluidly couple the piston to a bore of a barrel of the rifle; wherein an increase in pressure in the bore of the rifle causes the piston to move away from the sleeve; and wherein the sleeve and the piston are each capable of being removed from the rifle through the forward end of the gas block.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: August 13, 2013
    Assignee: Colt Defense, LLC
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Publication number: 20130047832
    Abstract: An indirect gas operating system for a semi-automatic or automatic rifle is provided, the indirect gas operating system having: a sleeve removably secured to a forward end of a gas block of the rifle; a piston slidably received within the gas block, wherein the gas block and the sleeve fluidly couple the piston to a bore of a barrel of the rifle; wherein an increase in pressure in the bore of the rifle causes the piston to move away from the sleeve; and wherein the sleeve and the piston are each capable of being removed from the rifle through the forward end of the gas block.
    Type: Application
    Filed: February 17, 2012
    Publication date: February 28, 2013
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Publication number: 20120167433
    Abstract: A modular automatic or semiautomatic rifle. The rifle has a lower receiver assembly having a fire control assembly for firing the rifle. An upper receiver assembly is provided with a frame and a bolt carrier assembly configured for firing bullets of a predetermined caliber. The lower receiver has a mating interface configured for operably joining the lower receiver assembly to the upper receiver assembly, and for operably joining the lower receiver assembly to another upper receiver assembly different from the upper receiver assembly configured for firing bullets of the predetermined caliber. The other upper receiver assembly has a different frame and different bolt carrier assembly configured for firing bullets of a different predetermined caliber.
    Type: Application
    Filed: October 5, 2010
    Publication date: July 5, 2012
    Applicant: Colt Defense, LLC
    Inventors: Laurance Robbins, Kevin Audibert, Kevin Langevin
  • Publication number: 20120111183
    Abstract: A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.
    Type: Application
    Filed: November 8, 2011
    Publication date: May 10, 2012
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Patent number: 8117958
    Abstract: A semi-automatic or automatic rifle is provided the rifle having: a receiver having a hand guard portion; a barrel having a bore, the bore removably connected to the receiver, the hand guard portion surrounding at least a portion of the barrel; a gas block having a forward end and a rearward end aligned with the barrel; a sleeve removably secured to the forward end of the gas block; a piston slidably received within the gas block, wherein the gas block and the sleeve fluidly couple the piston to the bore of the barrel; wherein an increase in pressure in the bore of the barrel causes the piston to move away from the sleeve; and wherein the sleeve and the piston are each capable of being removed from the rifle through the forward end of the gas block without removing the gas block from the rifle.
    Type: Grant
    Filed: May 9, 2011
    Date of Patent: February 21, 2012
    Assignee: Colt Defense LLC
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Publication number: 20110303082
    Abstract: A semi-automatic or automatic rifle is provided the rifle having: a receiver having a hand guard portion; a barrel having a bore, the bore removably connected to the receiver, the hand guard portion surrounding at least a portion of the barrel; a gas block having a forward end and a rearward end aligned with the barrel; a sleeve removably secured to the forward end of the gas block; a piston slidably received within the gas block, wherein the gas block and the sleeve fluidly couple the piston to the bore of the barrel; wherein an increase in pressure in the bore of the barrel causes the piston to move away from the sleeve; and wherein the sleeve and the piston are each capable of being removed from the rifle through the forward end of the gas block without removing the gas block from the rifle.
    Type: Application
    Filed: May 9, 2011
    Publication date: December 15, 2011
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Patent number: 8051595
    Abstract: A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.
    Type: Grant
    Filed: February 9, 2006
    Date of Patent: November 8, 2011
    Assignee: Colt Defense, LLC
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Patent number: 7938055
    Abstract: A semi-automatic or automatic rifle is provided. The semi-automatic or automatic rifle includes a receiver having an integral hand guard portion, a barrel having a bore. The bore is removably connected to the receiver, the hand guard portion extending over and surrounding the barrel, an indirect gas operating system has a gas block and a piston. The gas block has a cylinder, the gas block is fitted to the barrel, the cylinder is in communication with the bore. The piston has a piston end and a striking end, the piston end is fitted to the cylinder and has a bolt carrier having a striking surface. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, wherein, the cylinder and the piston are together removable as an assembly from the firearm without disassembly of the rifle.
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: May 10, 2011
    Assignee: Colt Defense LLC
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Publication number: 20100300277
    Abstract: A semi-automatic or automatic rifle is provided. The semi-automatic or automatic rifle includes a receiver having an integral hand guard portion, a barrel having a bore. The bore is removably connected to the receiver, the hand guard portion extending over and surrounding the barrel, an indirect gas operating system has a gas block and a piston. The gas block has a cylinder, the gas block is fitted to the barrel, the cylinder is in communication with the bore. The piston has a piston end and a striking end, the piston end is fitted to the cylinder and has a bolt carrier having a striking surface. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, wherein, the cylinder and the piston are together removable as an assembly from the firearm without disassembly of the rifle.
    Type: Application
    Filed: August 16, 2010
    Publication date: December 2, 2010
    Applicant: COLT DEFENSE, LLC
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Patent number: 7775150
    Abstract: An indirect gas operating system for an M4 type automatic or semi-automatic firearm. The indirect gas operating system has a gas block having a cylinder. The gas block is fitted to a barrel assembly having a bore with the cylinder in communication with the bore. A piston having a piston end and a striking end has the piston end fitted to the cylinder. A bolt assembly having a striking surface is provided. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly. The cylinder and the piston are together removable as an assembly from the firearm without removal of the gas block.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: August 17, 2010
    Assignee: Colt Defense LLC
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur F. Daigle
  • Publication number: 20070199435
    Abstract: An indirect gas operating system for an M4 type automatic or semi-automatic firearm. The indirect gas operating system has a gas block having a cylinder. The gas block is fitted to a barrel assembly having a bore with the cylinder in communication with the bore. A piston having a piston end and a striking end has the piston end fitted to the cylinder. A bolt assembly having a striking surface is provided. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly. The cylinder and the piston are together removable as an assembly from the firearm without removal of the gas block.
    Type: Application
    Filed: February 7, 2007
    Publication date: August 30, 2007
    Inventors: Paul Hochstrate, Laurance Robbins, Arthur Daigle
  • Patent number: D674859
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: January 22, 2013
    Assignee: Colt Defense, LLC
    Inventors: Laurance Robbins, Kevin Audibert