Roundhill Group, LLC

États‑Unis d’Amérique

 
Quantité totale PI 48
Rang # Quantité totale PI 27 976
Note d'activité PI 0,4/5.0    1
Rang # Activité PI 870 390

Brevets

Marques

48 0
0 0
0 0
0
 
Dernier brevet 2019 - Mounting and attachment assembly...
Premier brevet 1995 - Firearm bolt lock mechanism

Derniers inventions, produits et services

2018 Invention Mounting and attachment assembly for firearm muzzle accessories. An accessory mounting system fo...
Invention Shotgun with magazine loading system. A shotgun including a barrel, a receiver, a magazine well a...
2017 Invention Magazine with spacers for accommodating multiple caliber, size and/or length rounds. A magazine f...
2016 Invention Fire control for auto-loading shotgun. A firearm may include a receiver and a barrel coupled to ...
Invention Gas-operated firearm with pressure compensating gas piston. A firearm may have gas operating syst...
Invention Gas vent for firearm. A barrel for a firearm including a chamber configured to receive a round of...
Invention Shotgun with magazine loading system. A firearm including a barrel, a receiver, a magazine well a...
2015 Invention Gas-operated firearm with pressure compensating gas piston. A gas operating system for a firearm ...
Invention Replaceable feed ramp. A feed ramp system for feeding cartridges into the chamber of a firearm. T...
Invention Method and mechanism for automatic regulation of gas flow when mounting a suppressor to a firearm...
Invention Hand guard installation mechanism. A hand guard installation mechanism for securing a hand guard ...
2014 Invention Self regulating gas system for suppressed weapons. A gas system for an autoloading firearm wherei...
Invention Gas vent for firearm. A barrel and a barrel extension for being coupled to a firearm. The barrel ...
Invention Buttstock assembly. A modular firearm comprising an adjustable modular buttstock assembly. The bu...
Invention Quick detach barrel mounting system. A quick-detach barrel mounting system for removing and attac...
Invention Portion of a firearm handguard
2013 Invention Modular firearm stock system. A modular firearm is disclosed. The firearm that can be configured ...
Invention Firearm extraction system. An extraction system for extracting a cartridge from a firing chamber ...
Invention Elastomeric extractor member. A biasing member for a bolt assembly of a firearm is described here...
Invention Bolt assembly for firearms. A bolt assembly for a firearm such as an auto-loading or pump action ...
Invention Auto regulating gas system for supressed weapons. An auto regulating gas system to automatically ...
Invention Gas cut-off system for firearms. A gas cutoff system for use with a gas-operated firearm. The gas...
Invention Upper receiver and hand guard with cable routing guide. A monolithic upper receiver/hand guard is...
Invention Fire control for auto-loading shotgun. An auto-loading firearm includes a bolt assembly that is b...
Invention Thumb safety for model 1911 handgun. A pistol thumb safety that is capable of being coupled to a ...
Invention Bushing for a firearm grip screw. A bushing for securing a grip to a firearm that includes a hous...
2012 Invention Buttstock
Invention Recoil reducer. A system for reducing a recoil force transmitted upon firing of a firearm. The sy...
Invention Firearm stock
Invention Firearm
Invention Firearm with enhanced corrosion and wear resistance properties. This invention encompasses artic...
Invention Magazine cutoff. A magazine cutoff device for a firearm with a tube-type magazine, such as, e.g.,...
Invention Recoil reducer
2011 Invention Modular firearm system. A modular firearm is disclosed. The firearm that can be configured to ope...
Invention Magazine cap retention system. A firearm and a method for configuring the firearm is described th...
Invention Gas-operated firearm. A gas operating system for a firearm renders the firearm capable of firing ...
Invention Barrel mounting and retention mechanism. A barrel mounting and retention device for attaching a b...
2010 Invention Hand guard attachment system for firearms. A hand guard attachment assembly for a firearm having ...
Invention Gas plug retention and removal device. A gas plug retention and removal device for a gas operatin...
Invention Gas block
2008 Invention Pivoting, non-detachable magazine. An improved firearm including a non-detachable, pivoting magaz...
Invention Gas system for firearms. A piston assembly is provided for a gas-operated firearm of the type hav...