Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 4049158 | Pressurized container-dispensers and filling method A pressurized container-dispenser characterized by a separate pressure source chamber containing a gas-adsorbent solid and an adsorbable gas and having means to transmit source chamber pressure to a product chamber for dispensing of a product therefrom. P... | 09/20/1977 |
| 4029473 | Vestibule valve reagent dispenser An arrangement for the controlled delivery of liquid reagent is shown wherein a reservoir vessel for storing the liquid in volume is coupled to replenish a "vestibule vessel" provided for intermediate storage of the liquid enroute to the delivery point an... | 06/14/1977 |
| 4023718 | Sealing and closure structure for a spray dispensing device A spray dispenser including a hollow casing, having sockets in each of which a pair of O-ring seals is mounted. A ball valve is urged toward one of the O-ring seals of each socket. A housing is removably mounted in the casing. Hollow lugs on the housing e... | 05/17/1977 |
| 4011971 | Device for dispensing liquids from a sealed container and for preserving undispensed portions thereof A method of and device for dispensing liquids from sealed containers such as wine bottles is disclosed, and for replacing the dispensed liquids with an innoxious gas at a preselected pressure to prevent spoilage of undispensed portions of the liquid.... | 03/15/1977 |
| 4000836 | Pressurized dispensers This invention relates to pressurized dispensers such as aerosol containers. The invention provides such dispensers containing a reservoir of an organic substance which dissolves at least 15% of its own weight of propellant at room temperature, the reserv... | 01/04/1977 |
| 3995778 | Aerosol dispensing device This invention relates to an aerosol dispensing device for dispensing a substance free from liquified propellant. The device comprises a main compartment provided with a dispensing valve which contains the substance together with pressurized propellant va... | 12/07/1976 |
| 3993245 | Method and apparatus for spraying agrochemicals A spraying apparatus is charged with pesticide, and optionally also pressurized, by the attachment and puncture of a pressurized container of agrochemical.... | 11/23/1976 |
| 3976221 | Carbonator and dispenser for carbonated liquid or the like An improved carbonated LIQUID dispenser has a passageway between the carbonated LIQUID and an outlet valve. A foam inhibiting portion of the passageway progressively decreases, then increases, then decreases, and finally increases again in flow area. Pref... | 08/24/1976 |
| 3964649 | Pressurized dispensing container A pressurized dispensing device contains a fluid product, either a dry powder or a liquid, to be dispensed and a reservoir containing a propellant sorbed by a sorbent material, the reservoir having a vapor-permeable wall to permit propellant gas to pass t... | 06/22/1976 |
| 3952921 | Apparatus and method for application of hot-melt resin adhesive Apparatus and method for the application of a hot-melt resin adhesive wherein an enclosed chamber having a restricted discharge orifice is provided with a valve element for opening and closing said orifice; a non-oxidizing gas is introduced into the chamb... | 04/27/1976 |
| 3937367 | Gas charged sprayer A manually portable spray tank includes a plug-like adapter mounted in the filler opening or mouth of the tank to receive and hold a pressurized can or canister containing a liquid propellant. The adapter includes a depending, elongated heat exchanger tub... | 02/10/1976 |
