William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8151709 | Anti-setback spin clip application A stab type fuze mechanism, such as the 30 mm M759 fuze mechanism, which utilizes a generally horse shoe shaped configuration anti-setback spin clip initially lodged in a grove within the body of a target sensing probe, but extending partially therefrom, which exten... | 04/10/2012 |
| 7273010 | Impact part of a projectile An impact part on a projectile permits the activation of detonation systems within a large angular range of contact with a target. The impact part is provided with annular recesses with embedded circular rings that engage with the target and prevent the projectile f... | 09/25/2007 |
| 7047886 | Method and apparatus for removing obstructions in the mines The present invention is directed to a system for fragmenting rock obstacles and obstructions in mines. The system uses a projectile having a flat or concave nose and a detonating device that has a safety pin to prevent a striker from prematurely igniting the primer... | 05/23/2006 |
| 6035783 | High performance fuze A fuze device for use with a detonator on munitions. A cup and ogive assembly includes an ogive post for aft axial movement upon impact of the device and activation of a spitback lead on the cup. An ogive post activates a first firing pin when the ogive i... | 03/14/2000 |
| 5945629 | Fuseless ballistic explosive projectile A fuse-less ballistic explosive projectile (1) with a great fragmentation effect has a secondary explosive (50) with a special structure (75), the secondary explosive detonating upon impact. The secondary explosive (50) surrounds within a projectile cap (... | 08/31/1999 |
| 5415105 | Tandem warhead with piezoelectric percussion fuses The invention relates to a tandem warhead with a preliminary charge (1) and a main charge (2) respectively each with an associated fuse (3, 4). So that on ignition two fuses (3, 4) which are completely identical can be used, piezoelectrical percussion fuses (3... | 05/16/1995 |
| 5271329 | Impact contactor particularly for projectiles with an explosive charge Triggering a pyrotechnic charge. The contactor comprises: a supporting base (6), made of insulating material, having at least two conducting terminals (7 and 8), a contact sleeve (13) centered coaxially on the base, in contact with one of the terminals and hav... | 12/21/1993 |
| 5081929 | Projectile having a movable interior fuze In a fuse arrangement, which can be used in both low velocity and in high velocity gun-launched grenades, which has a rotationally responsive fuse timing mechanism arranged in a fuse casing, The fuse casing being tiltable and axially movable upon impact o... | 01/21/1992 |
| 4723490 | Base fuze of a spinning projectile possessing an inertia body The base fuze of a spinning projectile possesses a detonator capsule which is pierced by a firing pin. The firing pin is connected to a hammer sleeve. An inertia body is arranged behind the hammer sleeve in order to improve the response sensitivity of the... | 02/09/1988 |
| 4715281 | Impact switch for fuses A switch is adapted for use in a projectile for actuating an electrical explosives-igniter in response to impact of the projectile. The switch includes a stationary electrical contact and a movable electrical contact. An actuator moves the movable contact... | 12/29/1987 |
| 4619200 | Impact ignition device for a plurality of stab type primers A multi-path impact type, inertia class, igniter for use with both rotating and non-rotating projectiles or warheads includes two or more stab type "firing pins" that are arranged in a plane which is at 90° to the center-line of the projectile. The firin... | 10/28/1986 |
| 4604953 | Void-sensing fuze A void-sensing fuze whose initiation is deferred until after impact forces have terminated. A safety device safeties the fuze until after the ordnance has fired. Thereafter, upon impact the fuze is committed to fire, but fires only after impact forces hav... | 08/12/1986 |
| 4587903 | Tripping system for electrical percussion fuses An ignition system for projectiles, such as shells, bombs, or rockets is disclosed. The system has a pressure chamber defined by a double-diaphragm switch and a cap of a deformable material. The diaphragm of the double-diaphragm switch, which defines one ... | 05/13/1986 |
| 4535696 | Device for underwater missiles for use against submerged submarines A device for underwater missiles for use against submerged submarines, said missiles including a housing (1) having a front portion, intended to contact the outside surface of a submarine. According to the invention, a tubular ring member (6) is rotatably... | 08/20/1985 |
| 4393780 | Omni directional fuze A fuze has a firing pin slidably mounted in a frame. A detonator mounted in he frame is operable to slide into alignment with the pin. An impact sensor can engage and restrain the pin. This sensor is pivotally mounted in the frame and is operable to diseng... | 07/19/1983 |
| 4306501 | Omni-directional impact actuated system An omni-directional impact actuating mechanism for utilization in actuating a system such as a munition device. By utilizing a multi-directional impact sensor the munition device becomes omni-directional in that it can be detonated when receiving an impac... | 12/22/1981 |
| 4237788 | Explosive fuse for ballistic projectile An elongated, aerodynamically improved ballistic projectile fuse, having an overall fuse length greater than its maximum diameter by a factor of approximately two, includes a lightweight aluminum fuse body having forward and rearward portions and an inter... | 12/09/1980 |
| 4159679 | Projectile fuze A low cost graze sensor fuze arrangement for a point detonating spin stabzed projectile in which firing pin actuation for detonation purposes is accomplished where the projectile may only graze the target and a graze sensor element will be laterally move... | 07/03/1979 |
| 4109583 | Projectile fuze A low cost graze sensor fuze arrangement for a point detonating spin stabzed projectile in which firing pin actuation for detonation purposes is accomplished where the projectile may only graze the target and a graze sensor element will cam a firing pin ... | 08/29/1978 |
| 4004521 | Projectile fuze A graze sensitive and self destruct fuze arrangement for a point detonating pin stabilized projectile in which assured detonation is achieved by nose or point impact with a target, by graze impact with a target, or by self destruction capability upon failu... | 01/25/1977 |
| 3995557 | Base fuze for a spinning projectile A base fuze for a spinning projectile comprising a firing pin for piercing a detonator cap, a hammer sleeve secured to the firing pin, a self-destruction spring by means of which the hammer sleeve together with the firing pin can be displaced towards the ... | 12/07/1976 |
| 3990368 | Actuator assembly for munition fuze A projectile actuator assembly for detonating a munition upon impact on s snow. The actuator comprises a housing which has a longitudinal bore communicating with a threaded end and a partially closed flanged end, a biased top spring operatively screwed t... | 11/09/1976 |
| 3961578 | Point-detonating projectile fuze A fuze for a spin-stabilized artillery projectile comprises a body includ: an ogive member containing point-detonating firing means, selectable for super-quick or delay firing; and a base member containing an inertial delay fuze operable by either direct... | 06/08/1976 |
| 3956992 | Wide-angle inertial impact fuze An inertial-type all-way fuze for explosive projectiles comprises: a cup-ped housing having an axial bore at its forward end and a detonator mounted in a spin-armed slide movable into alignment with the bore; a firing member having a shaft slidable in th... | 05/18/1976 |