"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7073283 | Breech plug for muzzleloading firearms A breech plug having a body with first and second ends and a compression chamber extending therethrough, a primer holder mounted to the first end of the body having a central aperture aligned with the compression chamber with slots extending radially from the centra... | 07/11/2006 |
| 6862828 | Apparatus for conversion of breech-loading firearms into muzzle-loading firearms The present invention is a system for converting a conventional modern firearm into a muzzle-loading firearm capable of utilizing modern rifle propellants. The invention utilizes a breech plug disposed in the breech end of a firearm to accept a rifle primer and powd... | 03/08/2005 |
| 6516549 | Muzzle-loading firearm A muzzle-loading firearm is disclosed. In the preferred embodiment, the muzzle-loading firearm includes a receiver having a locking mechanism; a barrel having a breech end, a bore and a muzzle end; a primer carrier for transporting a primer to the breech ... | 02/11/2003 |
| 6343430 | Firing nipple for muzzle loading firearm A firing nipple for a muzzle loading firearm where there are provided a plurality of exterior wall sections of differing diameters to provide abutment shoulders to sealingly engage against surfaces on a breech plug, and an internal chamber having a taperi... | 02/05/2002 |
| 6314670 | Muzzle loader with smokeless powder capability A muzzle loader firearm having a primer cavity that is sized to have an interference fit with a desired primer, to be received therein, so that an outwardly facing surface of the exterior casing of the primer, upon being discharged, expands and forms a fl... | 11/13/2001 |
| 6305113 | Muzzle-loading rifle with a side nipple assembly and takedown breech The barrel (2) and the breech (8) are coaxially screw mounted within a tubular casing (9), and therefore said casing (9) not only stands as an interconnection between these elements, but reinforces the same substantially, allowing the use of more tilan on... | 10/23/2001 |
| 6226916 | Back-flash check for muzzleloaders An improved nipple, used with a percussion cap to ignite the propellent of a muzzleloader without significant ejecta from the nipple (back-flash), is disclosed. A check valve, preferably using a spherical actuator that is loosely retained within the valve... | 05/08/2001 |
| 6176031 | Self aligning tool for inserting percussion caps on firing nipples A self-aligning tool for inserting percussion caps on firing nipples comprising a central hub with radially spaced apart spokes that each form an integral arm that terminates in a distal hand for temporarily securing the percussion cap until insertion. Ea... | 01/23/2001 |
| 6141897 | Breech plug A breech plug for a black powder firearm is provided which breech plug has a chamber into which black powder, a black powder equivalent, or Pyrodex pellets is received and a flash channel for transmitting a flame to the chamber. The flash channel includes... | 11/07/2000 |
| 5915934 | Muzzleloading rifle and method and means for loading the same A muzzleloading rifle has a bolt with a laterally extending handle. The bolt is operationally connected to the cocking piece of the firearm by means of engaged cam surfaces of the bolt and the cocking piece which will permit the rifle to be cocked only by... | 06/29/1999 |
| 5915938 | Safety cover for percussion firearms A protective cover for firearm percussion caps is provided which is removably mounted to the existing firearm nipple and secured to another portion of the firearm by an elastomeric loop. The cover has a hollow, generally cylindrical configuration formed f... | 06/29/1999 |
| 5907920 | Ignition assembly for muzzle loading firearm An ignition assembly for a muzzle loading firearm. The ignition assembly includes a conventional breech plug and a modified percussion nipple having a rearward end for receiving a percussion cap and a forward end which extends into the nipple bore of the ... | 06/01/1999 |
| 5657569 | Nipple for muzzle loading firearms A nipple for use in igniting a propellant charge in a muzzle loading firearm employing percussive ignition caps, has an elongated body with a generally cylindrical cap receiving portion adjacent one end and a mounting portion adjacent the other end. The o... | 08/19/1997 |
| 5644861 | Firing mechanism for muzzleloading rifles A firing mechanism for a muzzleloading rifle has a stock, a rifle barrel, a breech plug in the rearward end of said breech plug, a receiver on the stock, a bolt and hammer assembly in the receiver rearwardly of the nipple, and a trigger assembly operative... | 07/08/1997 |
| 5632109 | Method and apparatus for directing back flash in a firearm A muzzle loading firearm includes a receiver, a flash plate adjacent the rear end of the barrel, a downward extending then forward extending exhaust channel and a nipple across the exhaust passageway from the flash plate. The nipple has an ignition passag... | 05/27/1997 |
| 5566489 | Over-barrel flash guard for use with a muzzle-loading firearm An over-barrel flash guard for use with a muzzle-loading firearm including a plate having a front surface, a back surface, and a periphery interconnecting the surfaces formed of an upper edge, a lower edge, a vertical long side edge, and a vertical short ... | 10/22/1996 |
| 5487232 | Detonator assembly An improved detonator assembly for a black powder firearm having a breech block, a receiver, and a nipple. The detonator assembly comprises a primer and a primer carrier. The primer carrier has an axial bore dimensioned to receive the primer at one end an... | 01/30/1996 |
| 5467551 | Nipple for muzzle-loading firearm A nipple for a muzzle-loading firearm includes a generally cylindrical main body with a forward end of smaller diameter projecting forwardly and a rearward end of smaller diameter projecting rearwardly from the main body. An ignition bore extends complete... | 11/21/1995 |
| 5339553 | Self-removing cover for percussion type firearms A self-removing cover guard for muzzle leading firearms of the type having a nipple for receiving a percussion cap. The cover guard includes a plate or cup secured to the breech or drum of the firearm by the nipple; a spring loaded hinge connected at one ... | 08/23/1994 |
| 5307583 | Muzzle loading weapon ignition system A radially loading ignition system for a muzzle loading weapon generally comprises a body having threads on its outer surface and a well sunk into one end for loosely holding a shotgun shell primer; a first opening through the side of the well for passing... | 05/03/1994 |
| 5016379 | Black powder percussion nipple A percussion cap nipple for use with black powder firearms. The nipple includes a series of internal passageways that cooperate to produce a throughbore that directs the firing charge to the main powder charge in a fast and reliable manner yielding improv... | 05/21/1991 |
| 4897548 | Apparatus for the multiple analysis of gases An apparatus for the multiple analysis of gases which can react with another gas to produce emission of light has at least two reaction chambers (1a, 1b), a single photodetector (3) and an optical redirection system (2) with a reflection surface movably m... | 01/30/1990 |
| 4888901 | Firearm Muzzle-loading firearm which ignites the powder by means of a percussion cap located on a nipple coaxially of the bore, a venting passage directing gas laterally of the nipple.... | 12/26/1989 |
| 4519157 | Black powder gun nipple A nipple for use in conjunction with firearms to permit passage of an ignition impetus to a propellant, especially those firearms which employ black powder and which use percussion caps to provide an ignition impetus, the nipple including an elongated bod... | 05/28/1985 |
| 4485577 | Cap cover for percussion firearms A removable cover for percussion cap firearms keeps the cap dry and allows the firearm to be carried in a fully cocked condition with no danger of accidental discharge. The cover can be quickly and silently removed from over the percussion cap at the time... | 12/04/1984 |
| 4461109 | Firearm with novel breech plug and bolster assembly A muzzle loading firearm has a barrel bore into one end of which is force fitted a breech plug. The barrel wall has a radial aperture through one side and a diamaterally opposed recess in its inner surface, and the breech plug has a diamaterally extending... | 07/24/1984 |
| 4384423 | Firing mechanism for muzzle-loading firearms A firing mechanism for installation or a muzzle-loading firearm is disclosed. The firing mechanism has a drum means which is attached to the muzzle-loading firearm at a point adjacent its breech. A cap holder fits to the firing mechanism and holds a firin... | 05/24/1983 |
| 4283874 | Muzzle loading firearm A muzzle loading firearm in which firing is effected by a shot shell primer positioned within an ignition chamber and fired through a loosely locked but protective cup.... | 08/18/1981 |
| 4186506 | Percussion cap nipple A nipple for use in firearms employing percussion caps. The nipple includes an elongate body adapted at one end to receive a percussion cap, and adapted at its opposite end threadably to engage the ignition chamber housing of a firearm. A passage extendin... | 02/05/1980 |
| 4163335 | Black powder firing nipple A nipple usable to ignite a propellent charge in a firearm of the type which employs a percussive firing cap. The nipple includes an elongate body having, adjacent one end, a cap-receiving portion, and adjacent the opposite end, a mounting portion. Extend... | 08/07/1979 |
| 4135321 | Firing nipple A firing nipple for use in muzzle loaded firearms comprises a duct of large internal diameter into which a cartridge shaped percussion cap can be inserted and a firing ridge against which the rim of the cartridge shaped cap is forced to ignite the cap.... | 01/23/1979 |
| 4123866 | Muzzle-loading handgun To reduce the caliber of a muzzle-loading handgun, an inner barrel is inserted into the normal, outer barrel to which it is positively fastened only at the muzzle end. The rear end of the inner barrel adjoins a nipple, screwed into the breech portion of t... | 11/07/1978 |
| 4123867 | Gas exhaust nipple for guns An insert sleeve for use in the firing system of a muzzle loading gun wherein the insert sleeve has a bore operably connecting the atmosphere to the bore of the gun barrel and having a conventional firing member operatively associated with the outer end o... | 11/07/1978 |
| 4114303 | Muzzle loading firearm A muzzle loading firearm in which firing is effected by a shot shell primer positioned within an ignition chamber.... | 09/19/1978 |