Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 4424017 | System and method for burning liquefied gases A system for burning a liquefied gas comprises a burner gun for spraying the liquefied gas into a combustion space, a pump for feeding the gas under pressure, pipe means connecting the burner gun with the pump, and a flow regulating valve provided in the ... | 01/03/1984 |
| 4407431 | System for dispensing curable compositions A system is provided for dispensing curable compositions formed by a mixture of first and second materials which, when mixed in prescribed ratio, interact with each other to provide a relatively rapidly curable composition, such as a polymerizable epoxy r... | 10/04/1983 |
| 4380308 | Self-cleaning adhesive dispensing apparatus An apparatus and method are disclosed for dispensing adhesive materials, with the apparatus being self-cleaning for changeover of the adhesive supply. Adhesive is provided in a sealed container, which can be subjected to pressure. As the container is subj... | 04/19/1983 |
| 4361283 | Plural component spray gun convertible from air atomizing to airless A plural component spray gun which can be used as an air atomizing gun for atomizing material at the nozzle for external mixing with a catalyst, and, which is convertible to airless operation. The spray gun has a nozzle body which incorporates passageways... | 11/30/1982 |
| 4344452 | Water feed valve with sprinkling holes A water feed valve or faucet which is adapted to remove soiling or filth adhering to the surface of its handle portion by a shower or water streams automatically formed whenever the feed valve is used. The feed valve is so arranged that a water passage is... | 08/17/1982 |
| 4263166 | Spray foam insulation gun An apparatus is provided for the mixing of a first liquid foaming agent component with compressed air in a mixing chamber to produce a foam. A nozzle for ejecting a second liquid component into the foam is provided downstream of the mixing chamber. The mi... | 04/21/1981 |
| 4248379 | Powder spray color change system An electrostatic powder coating system for selectively spraying any one of a plurality of different pulverant powder materials from a common spray gun without the necessity for physically disconnecting or reconnecting the spray source of the different pul... | 02/03/1981 |
| 4244821 | Backflushing system An improved system for aerating and mixing waste water which is circulated through a plurality of passages in submerged mixing chambers from an inlet to outlet of each wherein gas is mixed with the water, preferably by forming two parallel streams. To flu... | 01/13/1981 |
| 4230271 | Apparatus for depositing a uniform thickness layer of particulate material Apparatus for evenly and uniformly depositing particulate suspended in a gas on at least one surface, and in at least one direction, of a substrate. The apparatus has an exit slit (13) and a passage for communication of product including a main conduit (1... | 10/28/1980 |
| 4196852 | Compressed air test sample preparing and spraying apparatus A measuring, mixing and spraying apparatus for a tractor is a combination of, generally, four distinct component parts. The entire apparatus is operated under pressure from a compressor mounted onto the front of the tractor. Along one side of the tractor ... | 04/08/1980 |
| 4175702 | Air nucleating spary gun A forced air nucleating jet gun assembly comprised of a nozzle body designed to atomize material at the nozzle for external mixing with a catalyst which is atomized in the handle body of the gun assembly. The nozzle body incorporates passageways for deliv... | 11/27/1979 |
| 4078726 | Lawn sprinkler A pop-up sprinkler having a vertically extensible and retractable spray head assembly and means for flushing the channel in which the assembly moves with outflowing water both when the assembly extends and when it retracts, the arrangement permitting the ... | 03/14/1978 |
| 4060572 | Foaming apparatus Portable apparatus is used for dispensing of urea formaldehyde foam for use as a sound and heat insulator. The apparatus includes a framework having mounted therein three valves which are simultaneously actuated by a single handle lever. One valve dispens... | 11/29/1977 |
| 3979071 | Apparatus for broadcasting granular material A portable hand held device for distributing granular material including a hopper for holding the material, a support base for the hopper, a distributor wheel having circumferentially spaced outwardly opening compartments suspended beneath the base under ... | 09/07/1976 |
