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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 6971207 | Explosion-resistant wall construction A wall construction with increased resistance to overpressure, such as over-pressure as a consequence of explosions, comprises an essentially flat panel with a wall panel that is welded to adjoining structural components. The adjoining structural components are prov... | 12/06/2005 |
| 6619502 | Vertical corner transition arrangement for semi-membrane tank In the vertical corner transition arrangement for semi-membrane tanks disclosed in the specification, curved horizontal sides plate of a semi-membrane tank wall are welded to one side of a vertical extruded aluminum modified I-beam with a vertical tapered... | 09/16/2003 |
| 6415940 | Compartmented container A compartmented container is formed of a can having a single wall and opposite openable ends. The container includes a divider sealingly affixed diametrically across the interior of the container, thereby defining two separate volumes within the single ca... | 07/09/2002 |
| 6244453 | Cistern for storing and carrying liquids An improved cistern (1) for storing and carrying liquids comprises supporting means, a tank and holding means for holding said tank, said holding means being operatively connected both to said supporting means (6), a tank (7), in which said holding means ... | 06/12/2001 |
| 5735431 | Bin having an arched beam bottom A bin comprises a bin bottom, forward and rearward opposing end walls, and first and second opposing side walls. The end walls and side walls extend up from the bottom and define a bin interior configured for holding product. The bottom comprises a suppor... | 04/07/1998 |
| 5597085 | Composite, pressure-resistant drum type container A composite, drum type container for storing and dispensing corrosive fluids comprises an inner plastic liner of polyethylene and an outer plastic shell. The end walls of the outer shell are substantially dome-shaped to add strength to the container, and ... | 01/28/1997 |
| 5590805 | Fruit box A rigid, sturdy, two-piece reusable container forming individual cups to contain fruit or other perishables. The device includes a brace that provides support, rigidity, separates the cups of different containers and forms a relatively flat surface. It al... | 01/07/1997 |
| 5183178 | Bulk Containers A moulded plastic bulk container of the kind used in storage of materials and is normally transported from location to location by a fork lift truck and comprises sidewalls and a base, with a recess or opening in its lower portion below the base for recei... | 02/02/1993 |
| 5014536 | Method and apparatus for drawing sheet metal can stock New technology for deep drawing can bodies for use in the manufacture of two-piece cans for food and beverage products from precoated flat-rolled sheet metal can stock in which damage to can stock precoated on both surfaces with an organic coating is avoi... | 05/14/1991 |
| 4845893 | Balanced cookware construction Balanced cookware construction is set forth wherein the typically unbalanced construction of cookware is balanced by the inclusion of counter-balance weight material sandwiched within a forward portion of cookware diametrically opposite the securement pos... | 07/11/1989 |
| 4570813 | Connection anchor for liner of cast iron pressure tank A pressure vessel including a cylindrical vessel shell body, a bottom, and a cover, which are composed of cast elements and are clamped together or restrained by axial prestressing tendons located in channels which are distributed over the periphery of th... | 02/18/1986 |
| 4549672 | Double-wall container A double-wall container comprises outer side walls integrally formed with semi-tubular ribs extending heightwise of the container and joined at their apices to the inner side walls of the container, and an outer bottom wall also integrally formed with sem... | 10/29/1985 |
| 4496044 | Flexible covering support bracket An arrangement for covering the contents of a container with a flexible sheet without contacting the surface thereof, which includes a support bracket formed from an elongated resilient wire or plastic strip, having U-shaped end portions for engaging oppo... | 01/29/1985 |
| 4282823 | Underwater hull or tank A structure for an underwater hull or tank which is required to withstand a high external pressure due to use at great immersion depths. The hull or tank is composed of one or more toric components formed of metal, which may be filled with a pressure-resi... | 08/11/1981 |
| 4195747 | Baking pan and method of forming same A hearth bread baking pan set and method for making same in which a single sheet of material formed to provide an inner structure having multiple baking molds with rib members between adjacent molds is disposed within and secured to an outer structure. Th... | 04/01/1980 |
| 4040284 | Pressure vessels A pressure vessel for containing fluid at very high pressures is formed from an axially aligned array or stack of like, flexible, relatively thin, dished discs, i.e., Belleville springs. The discs are clamped together axially, so as to flatten them into a... | 08/09/1977 |
