Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7316333 | Modular volume storage bin A modular storage bin utilizes bin extension sections that are attachable directly to a standard lower cone section to provide increased storage volume that may be selected to accommodate needed volume increases and height and space restrictions. The bin extension m... | 01/08/2008 |
| 7195084 | Systems and methods for storing and handling drill cuttings Vessels for selectively holding drilling cuttings material and methods employing such vessels; the vessels, in at least certain aspects, having a body with a hollow container with an interior space for receiving drilling cuttings material and from which the material... | 03/27/2007 |
| 7162844 | Use of partial precast panels for construction of concrete walls and shells A precast panel for building reinforced concrete walls has a metal liner that forms a front surface of the panel. A concrete mass is disposed behind the liner. The panel has reinforcement structure within the concrete mass that can be used to provide continuity of r... | 01/16/2007 |
| 7127854 | Bulk material storage facilities with access chases and/or internal filling structures A storage facility includes a storage structure having a floor and a boundary wall upwardly extending therefrom, the floor and boundary wall bounding a chamber adapted to receive bulk material. A tubular chase bounds a passageway and is at least partially disposed a... | 10/31/2006 |
| 7080960 | Apparatus and method for transporting waste materials An apparatus for transporting solid waste drill cuttings material produced in the drilling of an oil or gas well, the apparatus including: a waste supply apparatus; a feeder to transport the material; a pneumatic conveying apparatus to which the material is transfer... | 07/25/2006 |
| 6997346 | Apparatus and method for reducing buildup of particulate matter in particulate-matter-delivery systems The present disclosure provides approaches for reducing buildup of particulate-matter in particulate-matter-delivery systems. In some embodiments, a trough-shaped feeder is provided in which a rectangular-to-elliptical conduit extends from the trough-shaped feeder. ... | 02/14/2006 |
| 6997600 | Intermittent agitation of particular matter Example embodiments of the present invention include systems and methods for intermittent agitation of particulate matter. In some embodiments, a mechanical agitator is intermittently activated within in a particulate-matter-delivery system. ... | 02/14/2006 |
| 6964358 | EM-actuated liquid dispenser A liquid dispenser that dispenses liquid via the action of a collapsing tube. The illustrative dispenser includes a liquid-carrying tube, a wire, and a magnet. The magnet is shaped to receive the tube and the wire between an elongated North pole and an elongated Sou... | 11/15/2005 |
| 6936092 | Positive pressure drilled cuttings movement systems and methods Methods for moving drilled cuttings, the methods, in certain aspects, including conveying with air under positive pressure, drilled cuttings to flow conduit apparatus; applying air under positive pressure to the flow conduit apparatus to continuously move the drille... | 08/30/2005 |
| 6931801 | Live recovery storage structure A live recovery storage structure for holding bulk material includes a housing having a side boundary wall with an inverted substantially U-shaped or V-shaped transverse cross section that extends between a first end wall and an opposing second end wall. The housing... | 08/23/2005 |
| 6871457 | Vessel for enabling a uniform gravity driven flow of particulate bulk material therethrough, and direct reduction reactor incorporating same So as to provide a container that is inexpensive to manufacture and that promotes a uniform flow of particulate bulk materials therethrough, a vessel is suggested comprising at least two wall segments having a generally downwardly converging wall defining a vertical... | 03/29/2005 |
| 6447674 | Gravity flow sludge load-out system A gravity flow sludge load-out system for rapid and accurate loading-out of large volumes of treated biosolids from a wastewater dewatering plant, said system includes a plurality of hoppers 12, 14 supported by a main structure 16 having a plurality of ve... | 09/10/2002 |
| 6330767 | Unloading system for particulate materials bins An apparatus for efficiently removing grain from a grain storage device, which uses a plurality of augers. An unloading auger is used to begin removal of grain from a grain storage device. As the amount of grain decreases, a proximity sensor sends an acti... | 12/18/2001 |
| 6328184 | Wine storage tank A wine storage tank. At least one sidewall is provided having a semi-cylindrical shape. The axis of the sidewall is inclined with respect to the horizontal so that gravity can assist the sliding of solid material toward a discharge opening for emptying th... | 12/11/2001 |
| 6273647 | Pressure discharge railway hopper car A pressure discharge railway hopper car includes a car body having a plurality of hoppers arranged in adjacent relation longitudinally, each opening at the bottom end to an aerator tub assembly. Each aerator tub assembly has two aerator units, one on each... | 08/14/2001 |
| 6250514 | Container for storing and discharging particulate material, in particular pulp chips The present invention relates to a container for storing and discharging particulate material, in particular pulp chips. For the purpose of preventing bridge formation and making possible a simple and cost-effective design, the container is made so that a posi... | 06/26/2001 |
| 6238145 | Silo with dense phase discharge A silo for pulverulent and other loose materials of the type that has a base formed in part by a centrally located, inner conical dome. The silo has a vertically oriented material withdrawal conduit through which the loose materials are withdrawn from the... | 05/29/2001 |
| 6139241 | Multi-faceted modular silo for bulk solids A silo for gravity flow storage of bulk particulate solids comprises downwardly converging and downwardly diverging walls. The downwardly converging walls form angles to the vertical that satisfy the conditions for mass flow. The walls impose particle vel... | 10/31/2000 |
| 6055781 | Archbreaking hopper for bulk solids A hopper that greatly reduces the tendency of the particulate material to form bridges within the hopper is shaped so that its walls slope downward more steeply at the bottom of the hopper and slope less steeply with increasing height above the outlet. In... | 05/02/2000 |
| 5956908 | Concrete container A concrete container for introducing concrete into formworks includes an upwardly open vessel with a downwardly narrowing bottom portion with an outlet opening and a flexible pipe connected to the outlet opening for distributing the concrete. Underneath t... | 09/28/1999 |
| 5586678 | Bulk hopper tank lid opener assembly A bulk hopper tank assembly which has a bulk hopper tank containing an opening at the top end thereof wherein a lid assembly selectively covers the opening. The lid assembly includes a lid, a generally vertical arm extending along the exterior side of the... | 12/24/1996 |
| 5319902 | Mass tower and method of making the same A mass tower for medium or high consistency fiber suspension includes a vertically elongated circumferential side wall defining a space for receiving the fiber suspension. The bottom portion of the mass tower is filled with a material in an amount and of ... | 06/14/1994 |
| 5224312 | Venting fabric The bulk material silo has a venting bottom containing a fiber layer (4). To compensate the difference in flow-off resistance, which differs with the distance of material from the discharge (6), it is provided that the fiber layer differs in flow resistan... | 07/06/1993 |
| 5205094 | Silo including a device for preventing obstruction to air flow A silo for cereals has a sloped bottom including channels provided on their top sides with passages for the flow of air which is used in order to facilitate emptying the silo through an outlet opening. The passages have a tendency to become clogged by dus... | 04/27/1993 |
| 5108010 | Storage silo with improved material flow An improved silo for storing materials which are composed of particles of varying sizes. Rectangular receiver openings are located in an upper floor at the upper end of the silo and rectangular discharge openings are located at the lower end of the silo. ... | 04/28/1992 |
| 5009046 | Reducing hoop stress in silos Means for reducing hoop stress in a silo cell comprising a grain tube located in the lower part of the silo cell, the wall of the grain tube having apertures in the silo base allowing entry of granular material into the grain tube and a restrictor below t... | 04/23/1991 |
| 4989380 | Silo for pulverulent and fine-grained bulk materials A silo for pulverulent and other loose materials has outer silo walls, a lower circular silo base, a conical cover in the center of the lower circular silo base, and an upper intermediate circular silo base arranged between the outer silo wall and the con... | 02/05/1991 |
| 4928449 | Elevated sundeck The present invention relates to an improved deck device which is elevated with respect to associated structure. The device includes an elevated platform having sidewalls angled with respect to the horizontal. The sidewalls may be covered with a reflectiv... | 05/29/1990 |
| 4915056 | Automatic dough ball feeding machine A V-shaped hopper is comprised of a pair of opposing linkages each formed of a lower angularly disposed rectangular plate hinged to an upper angularly disposed rectangular plate to form a hinged corner joint. Each linkage is mounted on a vertical sidewall... | 04/10/1990 |
| 4907721 | Apparatus for removing residual stored material A bulk storage silo including a slanted floor opening into a discharge chute provided in the foundation of the silo wherein the floor is covered by a deck composed of a plurality of plates connected to vibrators arranged in a predetermined pattern which, ... | 03/13/1990 |
| 4893736 | Grain wagon box with safety grid A safety grid for center discharge grain boxes includes cross members and longitudinally extending rod members. The grid may be fitted to grain boxes having varying sizes through the use of an adjustable bolt movably connected to the cross members and con... | 01/16/1990 |
| 4881665 | Suspended flexible membrane storage silo and article dispenser Provided is a bulk storage silo defined by a frame and having a flexible fabric liner, internal load distribution control, vibratory discharge and helicopter-type content spreaders.... | 11/21/1989 |
| 4841693 | Particulate material storage structure A building for storage grain or other particulate material. Two side walls spaced laterally from each other provide lateral support for the base of a pile of such particulate material and lower support for a roof. A roof spanning and supported fixedly on ... | 06/27/1989 |
| 4790111 | Reducing hoop stress in silos Means for reducing hoop stress in a silo cell comprising a grain tube located in the lower part of the silo cell, the wall of the grain tube having apertures at the silo base allowing entry of granular material into the grain tube, and a restrictor below ... | 12/13/1988 |
| 4702364 | Silo chute hopper attachment A silo chute hopper attachment that fits underneath an existing silo chute having a swivel end, and an upper hopper portion that has flanges slidably mounted onto brackets fixed to the silo wall so that the hopper slides in and out like a drawer underneat... | 10/27/1987 |
| 4671030 | Bulk silo with aerated mixing or homogenizing chamber Bulk silo with essentially centrally located aerated mixing or homogenizing chamber whose wall comprises a plurality of permanent passage openings for the material from the main silo area and is connected to an inspection area. In order to improve inspect... | 06/09/1987 |
| 4625478 | Liner for tower silo and method of installing same A conventional tower silo is converted to a limited oxygen feed storing silo with the use of an air impervious liner and a floor supporting a bottom unloader. The liner has plastic liner sheets attached to the inside surface of the silo side wall with fas... | 12/02/1986 |
| 4626166 | Method for the placement of a trailer-mounted sand hopper A trailer-mounted sand hopper having a trailer pivotally mountable at the front end of a motor-driven truck. The sand hopper is tiltably mounted on the rear portion of the trailer and is releasably secured to the rear portion of the trailer. The hopper is... | 12/02/1986 |
| 4621972 | Silo mover A silo mover apparatus comprising a main frame that is movable across the ground on a plurality of support wheels, and which has a subframe pivotallymounted thereon adjacent one end. The subframe can be raised about the pivot to a substantially vertical p... | 11/11/1986 |
| 4603795 | Center unloading bin for storing free-flowing granular material with side conveyor discharge A bin for storing and discharging free-flowing granular material such as sugar has a flexible, inflatable double-walled cup-shaped bag resting on the bin floor with the discharge opening in the bottom and a conveyor for discharging to the bin side above t... | 08/05/1986 |
