1
Louis S McTamaney, Yue M Wong, Rangasami S Chandra, Robert A Walker, Jorge E Lastra, Paul A Wagner, Uma K Sharma, Clyde D Watson: Multi-purpose autonomous vehicle with path plotting. FMC Corporation, Michael Lee, R C Kamp, R B Megley, December 8, 1992: US05170352 (246 worldwide citation)

An autonomous vehicle for operating in a predetermined work area while avoiding both fixed and moving obstacles. A plurality of laser, sonic and optical sensors detect targets and obstacles in the work area and provide coded signals to processors and controllers which direct the vehicle over a most ...


2
Robert C E Schuetz: Caliber convertible AR-15 upper receiver system. Brian J Coyne, November 4, 2008: US07444775 (55 worldwide citation)

A system that converts an original equipment (OEM) AR-15 rifle to a rifle capable of firing cartridges of at least two different calibers. Two or more barrel liners are provided for cartridges of differing calibers. Each liner is insertable through a rear opening of an upper receiver portion of the ...


3
James A Lorenzetti: Ammunition magazine for paint ball gun. Oldham Oldham & Wilson Co, November 24, 1992: US05166457 (55 worldwide citation)

A magazine for gravity feed of frangible, paint-containing projectiles into a gas operated gun comprises a generally closed hollow container with a smooth inner surface, a filling port positioned on its upper portion and an outlet port positioned on a lower most portion. A transfer tube is attached ...


4
Geoffrey Andrew Herring: Firearm upper receiver assembly with ammunition belt feeding capability. Raymond M Galasso, Simon Galasso & Frantz, October 21, 2003: US06634274 (52 worldwide citation)

A firearm receiver system includes an upper receiver assembly capable of receiving magazine-fed ammunition and belt-fed ammunition. A lower receiver is attached to the upper receiver assembly. The lower receiver assembly is capable of having an ammunition magazine attached thereto for communicating ...


5
Michael K Miller, Warren D Stockton: Large capacity ammunition magazine. Roylance Abrams Berdo & Goodman, October 30, 1990: US04965951 (48 worldwide citation)

An improved magazine wherein cartridges are loaded therein in two nested helical rows. Improvements further include a spring loaded feed lip bar which permits rapid loading and unloading of the magazine; a rod inside the drive spring in the magazine which prevents kinking and other undesirable opera ...


6
Michael J Yokota, Joseph A Landry, Lester Broersma: Free-flowing paintball hopper. JT USA, Henri J A Charmasson, John D Buchaca, April 27, 2004: US06725852 (47 worldwide citation)

An ammunition magazine for dispensing uniformly-sized spherical projectiles such as paintballs into a gun adapted to shoot said projectiles has a generally oblong, closed container having a channel defined in its bottom from a distal axial end to an outlet port located in a lowermost, median portion ...


7
James F Conley: Automatic firearm having anti-bounce sear. Maremont Corporation, Mason Fenwick & Lawrence, June 1, 1976: US03960053 (46 worldwide citation)

A belt-fed, gas-operated, air cooled automatic firearm having a novel mechanism for transferring link-connected ammunition rounds from a novel ammunition magazine to a feed position in an automatic firearm and having a novel sear mechanism including an anti-bounce sear for preventing a bolt carrier ...


8
J Steven Groover: Spare magazine carrier with retractable flap. Egdar W Averill Jr, March 20, 2001: US06202908 (43 worldwide citation)

A spare magazine carrier for carrying at least one ammunition magazine on a user's person. The spare magazine carrier has a carrier frame for seating and supporting at least one ammunition magazine, and a downwardly retractable flap for covering and retaining the seated ammunition magazine. The ...


9
Giraud Jean, Daniel Edmond: Fighting vehicle with an automatically fed gun.. Creusot Loire, October 15, 1980: EP0017591-A2 (41 worldwide citation)

1. Fighting vehicle comprising a superstructure (1) within which is located a fixed magazine (12) for storing ammunition, a gun (5) mounted to swivel about a horizontal axis on the superstructure (1), at the rear of which is mounted to articulate an oscillating block (6) containing a spare ammunitio ...


10
Geoffrey A Herring: Method of reconfiguring a firearm receiver system for receiving magazine-fed ammunition and belt-fed ammunition. Raymond M Galasso, Simon Galasso & Frantz, January 27, 2004: US06681677 (40 worldwide citation)

A method of reconfiguring a firearm receiver system comprises the operations of providing a substantially as-manufactured OEM lower receiver assembly capable of having an ammunition magazine attached thereto for communicating ammunition to an OEM upper receiver assembly capable of having ammunition ...