Patents by Inventor Mark D. Hendricks
Mark D. Hendricks 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).
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Publication number: 20230304764Abstract: A muzzle brake for use with a firearm such as a muzzle-loading firearm, and including at least one access port in the muzzle brake that is large enough (for example at least about 0.5? or more minimum dimension) for access by a user's fingertip to remove a cleaning patch from the muzzle brake. One or more vent ports that are relatively smaller than the access port may also be provided in the muzzle brake. An insert may be fitted within the muzzle brake to enhance wear resistance and extend its service life.Type: ApplicationFiled: December 21, 2022Publication date: September 28, 2023Applicant: BLACKPOWDER PRODUCTS, INC.Inventors: Michael B. HOLLY, Mark D. HENDRICKS, Ephraim B. BENTLEY
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Patent number: 11543205Abstract: A muzzle brake for use with a firearm such as a muzzle-loading firearm, and including at least one access port in the muzzle brake that is large enough (for example at least about 0.5? or more minimum dimension) for access by a user's fingertip to remove a cleaning patch from the muzzle brake. One or more vent ports that are relatively smaller than the access port may also be provided in the muzzle brake.Type: GrantFiled: August 6, 2021Date of Patent: January 3, 2023Assignee: BLACKPOWDER PRODUCTS, INC.Inventors: Michael B. Holly, Mark D. Hendricks
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Publication number: 20220042759Abstract: A muzzle brake for use with a firearm such as a muzzle-loading firearm, and including at least one access port in the muzzle brake that is large enough (for example at least about 0.5? or more minimum dimension) for access by a user's fingertip to remove a cleaning patch from the muzzle brake. One or more vent ports that are relatively smaller than the access port may also be provided in the muzzle brake.Type: ApplicationFiled: August 6, 2021Publication date: February 10, 2022Applicant: BLACKPOWDER PRODUCTS, INC.Inventors: Michael B. HOLLY, Mark D. HENDRICKS
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Patent number: 11073353Abstract: A firearm having a threaded barrel-receiver connection, with a threaded receiver opening for cooperative engagement with a threaded barrel. The receiver is also compatible with a clamping system for engagement of an unthreaded barrel, so that threaded and unthreaded barrels may be used interchangeably. The threads of the receiver may have a flat crested thread profile for sliding engagement upon installation of an unthreaded barrel.Type: GrantFiled: April 22, 2019Date of Patent: July 27, 2021Assignee: BLACKPOWDER PRODUCTS, INC.Inventors: Mark D. Hendricks, George A. Hawthorn
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Publication number: 20200333097Abstract: A firearm having a threaded barrel-receiver connection, with a threaded receiver opening for cooperative engagement with a threaded barrel. The receiver is also compatible with a clamping system for engagement of an unthreaded barrel, so that threaded and unthreaded barrels may be used interchangeably. The threads of the receiver may have a flat crested thread profile for sliding engagement upon installation of an unthreaded barrel.Type: ApplicationFiled: April 22, 2019Publication date: October 22, 2020Applicant: BLACKPOWDER PRODUCTS, INC.Inventors: Mark D. HENDRICKS, George A. HAWTHORN
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Patent number: 9810507Abstract: An open ignition breech plug for a muzzle-loading firearm. The open ignition breech plug includes an internal body portion for removable installation into the breech end of a barrel of the muzzle-loader, and an external body portion comprising a gripping surface, a nipple for receiving an ignition source such as a percussion cap, and at least one open portion of the external body portion for external visibility of the nipple and a percussion cap mounted thereon. The nipple can be integrally formed with the external body portion or removably mounted thereto.Type: GrantFiled: September 22, 2016Date of Patent: November 7, 2017Assignee: BLACKPOWDER PRODUCTS, INC.Inventors: Mark D. Hendricks, Kenneth L. Morgan
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Publication number: 20170082392Abstract: An open ignition breech plug for a muzzle-loading firearm. The open ignition breech plug includes an internal body portion for removable installation into the breech end of a barrel of the muzzle-loader, and an external body portion comprising a gripping surface, a nipple for receiving an ignition source such as a percussion cap, and at least one open portion of the external body portion for external visibility of the nipple and a percussion cap mounted thereon. The nipple can be integrally formed with the external body portion or removably mounted thereto.Type: ApplicationFiled: September 22, 2016Publication date: March 23, 2017Applicant: BLACKPOWDER PRODUCTS, INC.Inventors: Mark D. HENDRICKS, Kenneth L. MORGAN
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Patent number: 9459071Abstract: An open ignition breech plug for a muzzle-loading firearm. The open ignition breech plug includes an internal body portion for removable installation into the breech end of a barrel of the muzzle-loader, and an external body portion comprising a gripping surface, a nipple for receiving an ignition source such as a percussion cap, and at least one open portion of the external body portion for external visibility of the nipple and a percussion cap mounted thereon. The nipple can be integrally formed with the external body portion or removably mounted thereto.Type: GrantFiled: June 30, 2014Date of Patent: October 4, 2016Assignee: BLACKPOWDER PRODUCTS, INC.Inventors: Mark D. Hendricks, Kenneth L. Morgan
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Patent number: 9080830Abstract: A dart gun for medicating or tranquilizing animals, which includes a barrel and a breech plug, the barrel including a bore defining a longitudinal axis extending from a muzzle end to a breech end, and the breech end including a breech plug chamber and a notch. The breech plug is removably engageable with the breech plug chamber and includes a plug member, an extractor, and a baffle member. The extractor provides convenient loading, firing and ejecting of a blank firing cartridge that is used to fire the dart from the barrel. The baffle rod provides for muffling the sound of the explosion of the blank firing cartridge, and reduces the amount of heat and flames that are exposed to the dart when firing the blank firing cartridge.Type: GrantFiled: July 23, 2013Date of Patent: July 14, 2015Assignee: BLACKPOWDER PRODUCTS, INC.Inventors: Mark D. Hendricks, Larry N. Treadway
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Publication number: 20150013202Abstract: An open ignition breech plug for a muzzle-loading firearm. The open ignition breech plug includes an internal body portion for removable installation into the breech end of a barrel of the muzzle-loader, and an external body portion comprising a gripping surface, a nipple for receiving an ignition source such as a percussion cap, and at least one open portion of the external body portion for external visibility of the nipple and a percussion cap mounted thereon. The nipple can be integrally formed with the external body portion or removably mounted thereto.Type: ApplicationFiled: June 30, 2014Publication date: January 15, 2015Applicant: BLACKPOWDER PRODUCTS, INC.Inventors: Mark D. HENDRICKS, Kenneth L. MORGAN
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Publication number: 20140360070Abstract: A dart gun for medicating or tranquilizing animals, which includes a barrel and a breech plug, the barrel including a bore defining a longitudinal axis extending from a muzzle end to a breech end, and the breech end including a breech plug chamber and a notch. The breech plug is removably engageable with the breech plug chamber and includes a plug member, an extractor, and a baffle member. The extractor provides convenient loading, firing and ejecting of a blank firing cartridge that is used to fire the dart from the barrel. The baffle rod provides for muffling the sound of the explosion of the blank firing cartridge, and reduces the amount of heat and flames that are exposed to the dart when firing the blank firing cartridge.Type: ApplicationFiled: July 23, 2013Publication date: December 11, 2014Applicant: BLACKPOWDER PRODUCTS, INC.Inventors: Mark D. HENDRICKS, Larry N. TREADAWAY
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Publication number: 20100269396Abstract: A system and method for mounting a telescopic sight or “scope” to a firearm. The system is convertible or universal, in that it includes interchangeable mounting plate inserts allowing the mounting plate to be installed onto two or more different types of firearms having differing mounting hole configurations.Type: ApplicationFiled: June 12, 2007Publication date: October 28, 2010Applicant: BLACKPOWDER PRODUCTS, INC.Inventors: Dean N. WILLIAMS, Ned J. HOLLENBACH, Mark D. HENDRICKS
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Publication number: 20090133311Abstract: A universal scope mounting system for a firearm includes an integral base/lower ring half component having a base panel portion and a split ring portion extending therefrom, and defining a plurality of mounting holes for receiving mounting screws to attach the base/lower ring half component to a firearm. The system also includes an upper ring half component for attachment to the base/lower ring half component to engage a scope within a receiver opening defined therebetween. The mounting holes of each base/lower ring half component define two or more different mounting hole configurations, permitting universal application to firearms having different scope mounting hole arrangements.Type: ApplicationFiled: November 6, 2008Publication date: May 28, 2009Inventors: Ned J. HOLLENBACH, Dean N. WILLIAMS, Mark D. HENDRICKS
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Patent number: 7243456Abstract: A system and method for mounting a telescopic sight or “scope” to a firearm. The system is convertible or universal, in that it includes interchangeable mounting plate inserts allowing the mounting plate to be installed onto two or more different types of firearms having differing mounting hole configurations.Type: GrantFiled: July 11, 2005Date of Patent: July 17, 2007Assignee: Blackpowder Products, Inc.Inventors: Dean N. Williams, Ned J. Hollenbach, Mark D. Hendricks