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| Number | Title | Issue Date |
| 7563373 | Removal of phosphorous from wastewater Processes, methods and systems are provided herein for lowering the concentration of phosphorus in wastewater. The process includes adding a suitable amount of an aluminum-based coagulant/flocculent, for example, an aluminum-silicate coagulant/flocculent product to ... | 07/21/2009 |
| 7544287 | Reciprocating biological contactor and method of use A bioreactor vessel has a biological support provided within the vessel to support bacteria and a drive system for agitating the biological support while it is it is immersed in the reaction liquor that is to be treated within the vessel. The drive system causes the... | 06/09/2009 |
| 7389996 | Dolly for moving a bendable roll of material, such as a carpet A dolly for moving a bendable roll of material such as a carpet and bending it to fit into a confined space, such as an elevator, includes a primary section capable of supporting a first portion of the roll and having ground-engaging wheels, and a: secondary section... | 06/24/2008 |
| D568495 | Portable shelter | 05/06/2008 |
| D565206 | Roof anchor | 03/25/2008 |
| 7335116 | Method and apparatus for locating the trajectory of an object in motion An object locating system detects the presence of an object as it passes through two consecutive planar fields of view. Two pairs of optical sensor arrays with multiple, directed, pixel detectors observe the object from two angles as the object passes through each c... | 02/26/2008 |
| 7322173 | Hay bale bundling apparatus and method A hay bale bundler machine to receive individual bales of hay or other forage material from a field and to create a bundle of individual bales wrapped with a wrapping material for discharge back to the ground. Further included may be a fully automatic device that ca... | 01/29/2008 |
| 7320653 | Tubular baseball bats with full length core shafts A tubular baseball bat comprising a substantially full length core shaft of preferably constant cross-section, including a handle portion, and a barrel with a gap or separation between the core shaft and barrel, the core shaft and barrel being connected at two or mo... | 01/22/2008 |
| D556384 | Protective mask | 11/27/2007 |
| 7255025 | Power tong with sliding jaw A power tong (1) or back-up tong has a sliding jaw assembly (6) that may be advanced into the throat (4) of the tong for engagement with a pipe. A camming surface (11) on the inside circumference of the ring gear (10) advances the ... | 08/14/2007 |
| D543296 | Floating pool light | 05/22/2007 |
| 7219580 | Cam follower for power tongs and other uses A power tong or back-up tong has a jaw assembly that is advanced into engagement with a pipe through a cam follower that contacts the camming surface on the inside circumference of a ring gear, the cam follower being in the form of a series of roller elements arrang... | 05/22/2007 |
| 7207701 | Self-powered illumination device A self-powered illumination device includes an illumination source protruding from its lower surface for projecting light into a body of water to provide light that is emitted preferentially outwardly to illuminate the sides of a pool. Light emitted with an upward a... | 04/24/2007 |
| 7192082 | Portable bench A portable seating device is provided in the form of at least two horizontal planks having respective coupling ends along which such members may be joined. The underside surfaces of these planks are provided with vertical support containment means. Such vertical sup... | 03/20/2007 |
| 7156789 | Mobility assist A mobile apparatus for assisting a person with limited mobility. The apparatus is also for developing a higher level of mobility in a person having low mobility. The person may be assisted by the apparatus when walking. The apparatus includes a seating surface resil... | 01/02/2007 |
| 7114289 | Apparatus for dispensing fluid into a tree A dispensing apparatus for dispensing fluid is disclosed. A fluid contained in a canister is pressurized by a moveable partition driven by spring means mounted within the canister. The canister is mated to an injection nozzle to allow fluid flow from the canister th... | 10/03/2006 |
| 7112238 | Electronic air filter with resistive screen and electronic modular assembly A polarized media electronic air filter assembly has an electronics box mounted along one side by a slid-in fit into an open, receiving channel. Arcing between screens is reduced by using a relatively resistive material for at least one of the screens exposed to arc... | 09/26/2006 |
| 7077015 | Apparatus to reproduce tactile sensations A tactile sensing transducer provides as its output a skin deformation signal for storage or transmission to a tactile stimulation display transducer. A skin surface imaging means operating optically, acoustically or otherwise is positioned for viewing and providing... | 07/18/2006 |
| 7044871 | Tubular baseball bats with full length core shafts A tubular baseball bat comprising a substantially full length core shaft of preferably constant cross-section, including a handle portion, and a barrel with a gap or separation between the core shaft and barrel, the core shaft and barrel being connected at two or mo... | 05/16/2006 |
| 7011118 | Residential compressor for refueling motor vehicles that operate on gaseous fuels A compressor for natural gas is made in a format suitable for mounting on a wall or upright support at a residential location to permit refilling of the gas reservoir of a gaseous-fueled motor vehicle parked at the residence. The wall-mounted appliance has vibration... | 03/14/2006 |
| 7000503 | Support system for power tong assembly A tong assembly having a powered tong mounted over a backup tong is supported at its rear by a post with torque measuring means. The powered tong is supported at its front, near its throat, by one or more struts that extend downwardly to the backup tong. Such strut ... | 02/21/2006 |
| 6998526 | Capo device for stringed musical instrument A capo device for a stringed musical instrument having a series of strings extending along a fretboard with spaced frets, in which each string passes through an aperture in a capo element which is slidable on the string, each element being such that when held agains... | 02/14/2006 |
| 6997826 | Composite baseball bat A single member tubular baseball or softball bat of unitary construction comprised of an elongated handle portion and a striking or barrel portion wherein the barrel portion has internal and external cylindrical layers separated by one or more separation barriers, w... | 02/14/2006 |
| 6990267 | Moving fiber optical switch A moving fiber optical switch of the type having two opposed supports carrying optical fibers with a gap between the fiber ends, with at least one of the supports being flexibly mounted for pivotal movement relative to the other support, and in which: (1) an ... | 01/24/2006 |
| 6931978 | Rebound attenuation device for automatic firearms A blow-back operating automatic firearm has a sliding mass carried with its bolt carrier assembly to increase the dwell time of the bolt at the breech when the bolt is in battery position for firing. The sliding mass reduces the tendency of the bolt to bounce-off th... | 08/23/2005 |
| 6929591 | Tool storage holster A tool holster resiliently engages with a tool upon its insertion with the holster. Positive retention is obtained by rotating a threaded shaft to advance a cam to rotate levers to engage the tool. The lever arms are split to allow a degree of misalignment. Springs ... | 08/16/2005 |
| 6919053 | Portable ion generator and dust collector This invention relates to a portable, battery-operated ion generator featuring an electronic high voltage system which uses extremely low battery power. The ion generator can be made in the form of a pendant using a standard 9-volt alkaline battery, which can last f... | 07/19/2005 |
| 6916211 | Electrical circuit breadboard An electronic circuit construction system uses plastic perforated connectors with mounting posts that are inserted directly onto a pictorial diagram of an electronic circuit. An underlying foam base anchors the posts in place. Components and hook-up wire depicted on... | 07/12/2005 |
| 6892500 | Suspended ceiling support structure A ceiling support system for a suspended ceiling is provided that includes resilient clamps for attachment to the underside surface of a structural ceiling and inter-engaging ceiling runners that are shaped to be fitted into and be grasped by such clamps. The engage... | 05/17/2005 |
| 6883300 | Assembly including a chain for suspending an article such as a light and for concealing an electrical conductor A chain for suspending an article, while concealing electrical conductors leading to the article, comprises a series of interlocking links, each link having a tubular portion through which a conductor can pass. Each link has an inlet aperture and an outlet aperture ... | 04/26/2005 |
| 6880837 | Dolly for moving articles including lateral filing cabinets A dolly for moving articles including lateral filing cabinets, comprising a support surface for one end portion of such a cabinet, and upstanding members partially surrounding the support surface for locating the cabinet in position. The upstanding members include a... | 04/19/2005 |
| 6865567 | Method of generating attribute cardinality maps This invention provides a novel means for creating a histogram for use in minimizing response time and resource consumption when optimizing a query in a database, and other like structures, the histogram being created by placing ordered elements into specific range ... | 03/08/2005 |
| 6807438 | Electric field sensor An electric field sensor employs a capacitive pick-up electrode in a voltage divider network connected to a body emanating an electric field. The system is relatively insensitive to variations in the separation gap between electrode and body, reducing sensor motion ... | 10/19/2004 |
| 6761090 | Camming system for power tong jaws A power tong or back-up tong has a jaw assembly that is advanced into engagement with a pipe through a cam follower that contacts the camming surface on the inside circumference of a ring gear, the cam follower being in the form of a series of roller elements arrang... | 07/13/2004 |
| 6715396 | Firearm conversion kit A cartridge feed tray for belt ammunition is modified to receive shorter ammunition and exclude ammunition of standard length by inclusion of an insert positioned along the forward containment wall of the tray. The insert carries a feed lip that fits through a loadi... | 04/06/2004 |
| 6694652 | Three dimensional signage A raised surface sign with a Braille portion (8) has a reference notch (13) or elevation along its outside border to serve as a Braille locator. The visual presence of the notch or elevation is masked by an underlying colored layer (12) that spans the Bra... | 02/24/2004 |
| 6693516 | Electro-mechanical transducer suitable for tactile display and article conveyance A tactile transducer is able to provide a tactile display or serve as a tactile input sensor. Paired contactors having contactor tips separated by a gap are connected to transducer means (an actuator or sensor). Variations in the gap distance can create a... | 02/17/2004 |
| 6655894 | Refuse collection vehicle with dual storage chute system A refuse collection vehicle is provided with a dual chute system for receiving sorted refuse from curbside containers that have one or two compartments. A powered lifting system elevates the curbside container, dumping sorted refuse into the dual chute sy... | 12/02/2003 |
| 6637296 | Jaw assembly for gripping pipes A jaw assembly for a power tong or back-up tong is provided with a jaw die plate and die seating surface that are shaped to permit radial insertion of the die plate onto its seating surface. Both vertical and horizontally aligned splines, or spline segmen... | 10/28/2003 |
| 6625916 | Conversion of firearms to fire reduced-energy ammunition A training kit is designed for use with a firearm normally having a standard bolt that is provided at the forward end with a bolt recess for receiving and embracing the head end of a standard cartridge. The training kit is provided with a training bolt ha... | 09/30/2003 |
