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 |
| 7419591 | Filter cartridge with check valve protection A filter assembly is provided that includes a hood, a drain manifold, a filter disposed between the hood and the drain manifold, a drainage space that is disposed between and in fluid communication with both the filter medium and the drain manifold, a check valve th... | 09/02/2008 |
| 7347338 | Method for closing and opening of an opening A method for opening an opening (10) using an elastic plug (2, 2′) whose outside diameter in a static state (rL), is larger than diameter (rp) of opening (10), and which plug has a cavity (12) at its end. An extend... | 03/25/2008 |
| 6796449 | Closure for containers, in particular plug for bottles A closure for containers having an opening, comprising substantially rigid supporting and sealing means for insertion in a container opening, and a covering body made of flexible and resilient plastic material which covers at least a portion of and is connected to t... | 09/28/2004 |
| 6296136 | Obturator with improved retention in a metal sheet aperture An obturator for an aperture (8) produced in a metal sheet (9) has a central dome (1), a peripheral lip (3) and an annular part (3) extending between the dome (1) and the lip (2). The annular part (3) has a shoulder (4). The dome (1) is adapted to deform ... | 10/02/2001 |
| 6183982 | Fermentation bung device and method A fermentation device and a method for making a substance using the device are provided. The fermentation bung may have an outer plug that includes a central inner annular hole and a one or more holes surrounding the central hole, the outer plug fitting w... | 02/06/2001 |
| 6161716 | Closure with a pressure compensation valve for a liquid container The closure has a bung-type socket (10) of soft elastic material with a flange-like outer bearing portion (12), a circumferential sealing portion (16) sealingly receiving the rim of the hole, and a circumferential snap-action portion (18) engaging the ins... | 12/19/2000 |
| 5740935 | Bung hole plug A bung hole plug formed of resilient synthetic material interfitted between a front and back plate. A threaded post is attached to the back plate, and used, in conjunction with a lock washer and nut, to draw the front and back plates together, thereby squ... | 04/21/1998 |
| 5454479 | Closure cover A plastic closure cover for closing a collet opening in the body of a motor vehicle comprises a dish-shaped part 2 including a bottom 3 and a cylindrical side wall 4 whose outer surface is equipped with contact elements 5. The contact elements are designe... | 10/03/1995 |
| 5353472 | Grommet/plug A main member of soft plastic material and a second member of hard plastic material, chemically compatible and thermally bonded together. The second member is partially slitted having a ring element embedded in the main member, and segments distributed ci... | 10/11/1994 |
| 5327942 | Sealing plug for apertures A resilient plug for sealing drilled holes in a solid surface to prevent the discharge from the hole of fluids or chemicals. The plug is of tubular shape and has a flat top surface and a tubular side wall from which a plurality of sealing ribs project to ... | 07/12/1994 |
| 4826029 | Stopper and method of use in association with wine barrels In accordance with the invention a frustoconically shaped stopper formed of silicone rubber approved by the FDA for use in wine making (such as methylvinylpolysiloxane elastomers) can be releasably sealed to a wine barrel, but still provide for sampling o... | 05/02/1989 |
| 4287996 | Flexible closures and closure for bung openings The problem of providing tight-fitting closures for containers is solved by the closures and the methods of installing and removing closures utilizing a closure (20) which includes a central portion (21) and an annulus portion (22) hingedly connected to t... | 09/08/1981 |
| 4202463 | Stoppers for pressure containers A stopper for a pressure container comprises a hole fitting and an inner core for sealing engagementin a generallycylindrical inner bore of the hole fitting. The hole fitting has an annular external groove for receiving a generally circular edge of the co... | 05/13/1980 |
| 4046168 | Closure plugs In order to avoid the necessity of having a range of sizes of tools for the mounting and removal of a plurality of resiliently deformable plugs of different transverse dimensions on the ends of associated tubes, there is provided a plurality of such plugs... | 09/06/1977 |
| 4034888 | Can for containing beverages Metal can for containing a beverage, comprising an end provided, near its edge, with an opening closed by a leakproof capsule retractable to the inside of the can. The opening is extended by a tubular element turned towards the interior of the can and the... | 07/12/1977 |
| 3982649 | Bung for a barrel A bung for the bung orifice of a pressurized beer barrel and the like including an outer shell having an external wall surface adapted for sealing engagement with the wall of the bung orifice and a closure head extending radially inwardly from an attachme... | 09/28/1976 |
