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  2. Water gun - Wikipedia

    en.wikipedia.org/wiki/Water_gun

    A water gun (or water pistol, water blaster, or squirt gun) is a type of toy gun designed to shoot jets of water. Similar to water balloons, the primary purpose of the toy is to soak another person in a recreational game such as a water fight. Historically, water guns were made of metal and used rubber squeeze bulbs to load and propel water ...

  3. Constant Pressure System - Wikipedia

    en.wikipedia.org/wiki/Constant_Pressure_System

    These include the Speed Loader line from 1999, [3] the Water Worm, [3] and a few Water Warriors blasters. In the case of Water Warriors, Hasbro ended up suing them over the patent. The "bladder water gun" patent expired in 2016. [1] In 2020, German outdoor company Spyra GmbH launched its own CPS-based line of electric water guns marketed under ...

  4. Super Soaker - Wikipedia

    en.wikipedia.org/wiki/Super_Soaker

    Super Soaker later made many motorized water guns. In 2011, they released the Thunderstorm, which used an electric pump to push water directly out the nozzle. [17] [18] In 2012, Super Soaker made two motorized water guns: The Lightningstorm, a reproduction of the Thunderstorm with added accessories, and the Electrostorm, a smaller motorized gun.

  5. Water Warriors - Wikipedia

    en.wikipedia.org/wiki/Water_Warriors

    Water Warriors has produced a few motorized water guns. [23] The first was the Scorpion, which used a motor to automatically pump water into its Hydro-Power pressure chamber. [24] In 2007, they made the Tarantula, which ran entirely off of a motor to fire water. [25] The Tarantula was considered by Popular Mechanics to be "The Best Battery ...

  6. Water jet cutter - Wikipedia

    en.wikipedia.org/wiki/Water_jet_cutter

    Uses a high-velocity stream of ultra high-pressure water 30,000–90,000 psi (210–620 MPa) which is produced by a high-pressure pump with possible abrasive particles suspended in the stream. Is used for machining a large array of materials, including heat-sensitive, delicate, or very hard materials.

  7. Lonnie Johnson (inventor) - Wikipedia

    en.wikipedia.org/wiki/Lonnie_Johnson_(inventor)

    Lonnie George Johnson (born October 6, 1949) is an American inventor, aerospace engineer, and entrepreneur, best known for inventing the bestselling Super Soaker water gun in 1989. He was formerly employed at the U.S. Air Force and NASA , where he worked at the Jet Propulsion Laboratory .

  8. Gel blaster - Wikipedia

    en.wikipedia.org/wiki/Gel_blaster

    Water bead ammunition. A gel ball blaster, also known as a water gel blaster, orbeez gun, gel gun, gel shooter, gel marker, hydro gel blaster, water bead blaster or gelsoft gun, is a toy gun similar in design to airsoft guns, but the projectiles they shoot are 7–8mm (depending on the replica) superabsorbent polymer water beads (most commonly sodium polyacrylate, colloquially called gel balls ...

  9. Hydraulic mining - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_mining

    Gold miners excavate an eroded bluff with jets of water at a placer mine in Dutch Flat, California sometime between 1857 and 1870.. The modern form of hydraulic mining, using jets of water directed under very high pressure through hoses and nozzles at gold-bearing upland paleogravels, was first used by Edward Matteson near Nevada City, California in 1853 during the California Gold Rush. [3]