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| Number | Title | Issue Date |
| 6395098 | Cleaning shoe for pipe A grinding shoe is designed to be a passive grinder that is advanced within the bore of a pipe being rotated in a typical pipe operation. Apparatus currently used to deliver reamer rocks on the end of a rotating lance can be modified to achieve considerab... | 05/28/2002 |
| 6324796 | Modular decking planks A decking system for placement on a subassembly having at least two spaced apart joists. A plurality of elongated tubular elements for placement in lateral interlocking engagement with each other transversely of and spanning the distance between the joist... | 12/04/2001 |
| 6318545 | Conveyor belt return roller guard A guard adapted for enclosing an exposed return roller in a conveyor belt system. The guard attachment brackets are adapted to utilize the existing attachment point hardware of the exposed return roller to facilitate guard installation on an existing conv... | 11/20/2001 |
| 6310311 | Integrated bushing component An integrated bushing component for use in conjunction with pad mounted high voltage three-phase switch gear located with an electrical cabinet. The integrated bushing component providing an electrically insulated conductive path through a dead front barr... | 10/30/2001 |
| 6309289 | Air flotation and locking material handling apparatus and method of use A materials handling apparatus and method utilizing flotation pads to inject a thin fluid film to produce a near frictionless surface for easily positioning and finishing foundry castings. The present invention further relates to a material handling appar... | 10/30/2001 |
| 6267728 | Method for evaluating atherosclerosis and its affect on the elasticity of arterial walls A method for evaluating atherosclerosis using M-Mode ultrasound to measure atherosclerotic plaques and their affect on compliance of the arterial walls in peripheral arteries. Movement of the arterial walls is measured during a systolic-diastolic pressure... | 07/31/2001 |
| 6146055 | Mine roof bolt anchor An anchor for a mine roof bolt incorporates a single large rib at the top of a segmented shell. This single large rib is forced into the wall of the bore hole by the downward movement of an associated threaded camming nut during the first few revolutions ... | 11/14/2000 |
| 6088881 | Method and apparatus for separating foreign matter from fibrous material An apparatus for separating foreign matter from fiber tufts includes an air duct in which fiber tufts are pneumatically conveyed into the system via a high speed air stream. The air duct provides an air stream that conveys the fiber tufts with trash on to... | 07/18/2000 |
| 6022422 | Cleaning shoe for pipe A grinding shoe is designed to be a passive grinder which is advanced within the bore of a pipe being rotated in a typical pipe operation. Apparatus currently used to deliver reamer rocks on the end of a rotating lance can be modified to achieve considera... | 02/08/2000 |
| 5966962 | Modular hydration and freezing plant for flexible refrigerant media Apparatus for preparing packaging materials for use in shipment of heat sensitive materials, utilizes a hydration module, a freezing module, and a delivery module. Rolls of superabsorbent polymer based refrigerant media in the form of a continuous web of ... | 10/19/1999 |
| 5948333 | Method for creating imitation marble facade for objects The present invention generally relates to imitation marble objects. More particularly, the present invention relates to a method for producing imitation marble fixtures such as tubs, walls, vanities, etc. A method for producing imitation marble fixtures,... | 09/07/1999 |
| 5310594 | Composite rigid insulation materials containing V-grooves Flat, rectangular composite insulation comprising two dissimilar insulating materials on a separate flexible backing material is described. At least one of the two dissimilar materials is rigid. V-grooves are formed in the dissimilar materials extending f... | 05/10/1994 |
| 4683673 | Apparatus for destroying fire ants An apparatus for eliminating fire ants in mounds utilizes a high capacity fan to set up a confined airflow adjacent a fire ant mound such that a substantial portion of the mound and its contents are entrained by the airflow. The mound and ants therein are... | 08/04/1987 |
| 4484801 | Panoramic lens A panoramic lens grouping utilizes a number of negative and positive power enses to provide 360° photography and projection capabilities. The lens grouping uses a hyperbolic mirror as its input or output, in the photographic or projection mode, respective... | 11/27/1984 |
| 4471774 | Oxygen breathing apparatus simulator using supplemental oxygen A training canister for use with a personal breathing apparatus supplements filtered air with oxygen supplied by an internal cylinder. The canister has an integral filter providing airflow to the breathing apparatus, and utilizes a miniature high pressure... | 09/18/1984 |
| 4470818 | Thermal sight training device A training system simulates thermal sight presentations utilizing miniature argets which have been painted with retroreflective paint in predetermined patterns corresponding to the thermal radiation associated with the target. The target is viewed through ... | 09/11/1984 |
| 4470816 | Thermal sight trainer A simulated thermal sight utilizes a computer to store digitized video data erived from photographs of actual thermal images. The computer inserts video images formed from the data into optical telescopes, via a miniature TV and mirror system, to simulate ... | 09/11/1984 |
| 4446624 | Single handed set-up apparatus A template, for use in conjunction with a radar presentation to train an intercept controller in coordinating aircraft movements, defines spatial relationships between aircraft symbols presented on the radar through range and separation scales and posit... | 05/08/1984 |
| 4446480 | Head position and orientation sensor A head position and orientation sensor system utilizes a head mounted protor of known scan pattern which presents a visual display to the observer. In order to maintain proper display orientation, the head position and orientation are measured by interce... | 05/01/1984 |
| 4439341 | Smoke generator for use with water and smoke generant A smoke generator utilizes a boiler chamber within which a mixture of water nd liquid smoke generant are heated above the boiling point of water, thereby producing free steam confined within the chamber. The steam and heated liquid are independently remove... | 03/27/1984 |
| 4439156 | Anti-armor weapons trainer A training device for simulated anti-armor weapons system utilizes a microcessor system to perform a number of functions including solving dynamic flight equations of a simulated missile and determining the gunner's aiming error. A miniature terrain boar... | 03/27/1984 |
| 4439157 | Helmet mounted display projector A helmet mounted projector provides offset and frame scanning capabilities or a dual channel computer generated image simulation system. The projector receives full color lasers from each channel via a separate optical path, including galvanometer controll... | 03/27/1984 |
| 4422851 | isometric grip bending beam control A control stick simulator for use in a part task trainer for pilots utili a bending beam in cooperation with deflection sensing transducers to output pitch and roll commands. The control stick is a cantilevered metallic beam, arrested by stops in a mount... | 12/27/1983 |
| 4421486 | Field of view test apparatus A field of view test apparatus utilizes a plurality of interchangeable acic masks to vary the resolution characteristics of a projected field of view. An eye or head tracker provides line of sight direction signals to a servo which positions the mask wit... | 12/20/1983 |
| 4417218 | Linearizing circuit for a high frequency voltage controlled oscillator A circuit for linearizing the oscillator sweep output frequency signal of a oltage controlled oscillator is disclosed. The voltage controlled oscillator is driven by the output of an op amp, which amplifies and filters the output of a D/A converter. The D/... | 11/22/1983 |
| 4416631 | Small arms firing effects simulator A small arms firing effects simulator utilizes a modular construction to egrate with the magazine of a weapon such as a rifle. The modular design resembles the ammunition clip and houses an expendable plastic coated plurality of pyrotechnic charges. An e... | 11/22/1983 |
| 4414567 | Pattern generating circuit A pattern generating circuit is disclosed for providing a fixed test pattern to be broadcast on a video display system such that an individual may test or repair the aforementioned video display system. The pattern generating circuit provides a horizontal... | 11/08/1983 |
| 4411627 | Articulated light guide An articulated light guide having internal mirrors and rotatable joints, vides a transmission path to a helmet mounted projector wherefrom light is transmitted onto a retroreflective screen to produce images utilized in simulation training. Located at th... | 10/25/1983 |
| 4395093 | Lens system for panoramic imagery An optical system for 360° image transfer in which spaced primary secondary hyperbolically surfaced mirrors are combined with a refractive lens system and are held in spaced relation by a transparent envelope having inner and outer surfaces generated f... | 07/26/1983 |
| 4388698 | Data buffer circuit A data buffer circuit is disclosed for receiving from a serial-to-parallel ata conversion interface circuit a plurality of sixteen-bit parallel data words, for storing therein for a predetermined time period each of the parallel data words, and for transfe... | 06/14/1983 |
| 4387974 | Circuit for calculating the position of the eye An eye position measurement circuit is disclosed for calculating the posin of the cornea of the human eye. The eye position measurement circuit includes a dual axis infrared light detector which will sense the position of the cornea of the eye upon recei... | 06/14/1983 |
