Patents Represented by Attorney, Agent or Law Firm Nexsen Pruet Jacobs & Pollard, LLP
-
Patent number: 6142651Abstract: A lighting system comprising a reflector and an arc lamp designed for illuminating a wide area with an even light distribution. The reflector has a cap portion integrally joined to a visor portion. The cap portion is generally parabolic in shape except perhaps at its center. The visor flares outwardly at a low angle and is about three to six inches long, dropping approximately one-half inch so that it is no higher than the bottom of the arc tube of the lamp. The arc lamp is preferably a high intensity sodium or mercury vapor lamp with a vertical arc tube mounted so that about one-half inch of arc tube extends below the juncture of the visor and the cap.Type: GrantFiled: August 18, 1998Date of Patent: November 7, 2000Inventor: Wade Thompson
-
Patent number: 6138641Abstract: A very compact and inexpensive fuel injection device for auto-ignited internal combustion engines can be mounted on existing internal combustion engines to replace conventional fuel injection devices. The fuel injection device has one or more high-pressure pumps (10) that feed fuel into a supply tank (11) from which the fuel may be supplied through proportioning valves (16) to injection valves (15, 15'). The pressure in supply tank (11) is maintained by an automatic control system for the high-pressure pumps (10), the outputs of which are controlled by a control rod (13) that adjusts a plunger (18) of the high-pressure pumps (10) provided with a slanting edge (17).Type: GrantFiled: December 8, 1997Date of Patent: October 31, 2000Assignee: Deutz AGInventor: Franz X. Moser
-
Patent number: 6126142Abstract: A drain system for a liquid container such as an oil sump comprising an insert into the container, a combination tool and a safety plug. The insert contains a ball-type check valve which is opened by insertion of the combination tool, which may be held in place by rotation to engage a locking pin in the drain. The safety plug is insertable in the drain plug and tightened with a handle on the combination tool.Type: GrantFiled: May 12, 1999Date of Patent: October 3, 2000Inventors: Edwin J. Wolf, Edith M. Wolf
-
Patent number: 6120633Abstract: A self-supporting filter media, comprising a batt made of thermoplastic fibers, and heat induced scores provided at predetermined intervals along a length of the batt. And, a method of fabricating a self-supporting filter media, the method comprising the steps of: providing a thermoplastic batt of fibers; adding an adhesive to the batt; heating the batt and the adhesive to bind the fibers with the adhesive; heat scoring the batt at periodic intervals for producing a scored batt of fibers; and rolling the scored batt of fibers for storage or shipment.Type: GrantFiled: March 4, 1999Date of Patent: September 19, 2000Assignee: HRS Textiles, Inc.Inventor: Harley LeMaster
-
Patent number: 6121442Abstract: The present invention is relative to 1,2-dialkynylated compounds, especially dialkynyl-1,2-diones, a method of their production and their use as synthetic structural units to produce NIR dyes, pigments, thermostable polymers, charge-transfer complexes, heterocycles or pharmaceuticals.Type: GrantFiled: May 20, 1998Date of Patent: September 19, 2000Assignee: University of HeildelbergInventors: Rudiger Faust, Christian Weber
-
Patent number: 6115846Abstract: Headgear combined with binoculars, a headset, and a fan. The binoculars are mounted on the brim of the headgear using a hinge so the they can be placed above the brim while not in use. The headset contains earphones preferably for each ear. The earphones are independently rotatable so that they may be placed out of the way while not in use and may be adjusted both horizontally and vertically. On top of the crown of the headgear a fan is mounted to blow on the user to keep him cool.Type: GrantFiled: November 30, 1998Date of Patent: September 12, 2000Inventor: Max T Truesdale
-
Patent number: 6105303Abstract: A weedless fishing lure that does not have an exposed hook until a sufficient tension is placed on the line. The lure comprises a body having an aperture therethrough and at least one channel. A fishing line extends through the aperture and is attached to the shank of a hook. The hook is placed into a channel changing the direction the line runs from that in the aperture so that the line in the channel runs in the opposite direction than that in the aperture. The tip of the hook may be placed in the aperture or in a separate channel. Using this configuration, the hook will be dislodged from the body if sufficient tension is placed on the line.Type: GrantFiled: July 17, 1998Date of Patent: August 22, 2000Inventor: James R Hall, Sr.
-
Patent number: 6102621Abstract: The invention is a method and a composition of a mixture for degradation and immobilization of contaminants in soil and groundwater. The oxidative particle mixture and method includes providing a material having a minimal volume of free water, mixing at least one inorganic oxidative chemical in a granular form with a carrier fluid containing a fine grained inorganic hydrophilic compound and injecting the resulting mixture into the subsurface. The granular form of the inorganic oxidative chemical dissolves within the areas of injection, and the oxidative ions move by diffusion and/or advection, therefore extending the treatment zone over a wider area than the injection area. The organic contaminants in the soil and groundwater are degraded by the oxidative ions, which form solid byproducts that can sorb significant amounts of inorganic contaminants, metals, and radionuclides for in situ treatment and immobilization of contaminants.Type: GrantFiled: May 1, 1998Date of Patent: August 15, 2000Assignee: Lockheed Martin Energy Research CorporationInventors: Robert L. Siegrist, Lawrence C. Murdoch
-
Patent number: 6098671Abstract: An apparatus and method for measuring air pressure values within a channel of a loom reed is provided. An overhead roller is used to support a frame carrying a pair of pitot tubes for determining air pressure values within a channel of a loom reed. A air nozzle is provided a fixed distance from one of the pitot tubes and serves to direct a pressurized stream of air toward the pitot tube. Variations in the pressure readings from the air nozzle over the length of the reed can be used to verify or adjust the air flow properties of the reed. The pitot tubes can also be used to evaluate the relay nozzles of an air jet weaving machine.Type: GrantFiled: June 11, 1998Date of Patent: August 8, 2000Assignee: Palmetto Loom Reed Company, Inc.Inventor: William H. Richardson, III
-
Patent number: 6092364Abstract: This invention relates to a gas motor fuel delivery system having a gas mixer, which has a through passage having a gas mixing zone in which there is a suction dependent on the flow velocity prevailing there. The through passage of the gas mixer is part of a lean-gas line (2). Rich gas is delivered to the gas mixing zone of the gas mixer and admixed with the lean qas to raise the heating value of the latter to a value suitable for the motor.Type: GrantFiled: August 17, 1998Date of Patent: July 25, 2000Assignee: Motoren-Werke Mannheim AGInventor: Karl Stellwagen
-
Patent number: 6065437Abstract: An internal combustion engine is furnished with a cross flow cylinder head 1 having an exhaust duct 11 which opens on a longitudinal side wall 12 and two intake ducts 10a, 10b which open on the upper cover surface 14 in a region of the cylinder head 1 on the side toward the longitudinal side wall 12. By having the intake ducts and the exhaust duct on the same longitudinal side of the internal combustion engine relative to the central vertical longitudinal plane through the internal combustion engine, the opposite longitudinal side of the internal combustion engine remains completely free for other attachments. A pair of intake valve stem openings 8a, 8b and a pair of exhaust stem valve stem openings 9a, 9b lie in parallel planes disposed at an angle to a longitudinal plane through the axis of the engine cylinder and an injection line opening 20 extends from the aforesaid opposite longitudinal side and between said planes to an injection valve mounting hole 17.Type: GrantFiled: June 5, 1998Date of Patent: May 23, 2000Assignee: Deutz AGInventor: Anton Kleinschmidt
-
Patent number: 6065650Abstract: A method and apparatus wherein the apparatus is a container having an inner chamber, an inlet, an outlet, a breaker assembly having at least one blade within the inner chamber of the container and a motor for driving the blade. Material is supplied to the inner chamber of the container through the inlet of the container and the breaker assembly is operated to reduce any clumped material into unclumped material which is then dispensed from the container through the outlet of the container.Type: GrantFiled: September 30, 1997Date of Patent: May 23, 2000Assignee: Lockheed Martin Energy Systems, Inc.Inventors: Joel Richard Horton, Robert Link Dearstone
-
Patent number: 6055953Abstract: The governor for a gasoline engine is a roller-shaped rotary slide valve (8a, 8b)which permits precise adjustment of the quantity of gas-air mixture supplied to the combustion chamber. The actuation forces for operating the rotary slide valve (8a, 8b) are lower than previously used throttle valves, which permits use of a smaller and less expensive control device for operating the valve.Type: GrantFiled: August 18, 1997Date of Patent: May 2, 2000Assignee: MWM AGInventors: Hans Weickel, Karl Stellwagen, Heinz Willms
-
Patent number: 6050150Abstract: A diffusive sampler comprises a housing with an opening and containing a sorbent, preferably having a barrier between the sorbent and the opening to prevent convection currents but still allowing the exchange of the analyte and the sorbate(s) by diffusion, and at least one sorbate carried by the sorbent. The sorbates will be desorbed when the sampler is exposed to the fluid to provide a check on the apparent duration of the exposure and a correction to the calculation of analyte concentration in the fluid that results from desorption and reverse diffusion. The barrier may be either a fluid-permeable matrix or a fluid gap with a thin, fluid-permeable membrane for blocking convection currents but otherwise admitting fluid and analyte.Type: GrantFiled: September 5, 1997Date of Patent: April 18, 2000Inventors: Dwight W Underhill, Charles E Feigley
-
Patent number: 6051619Abstract: A foamable, ashless investment casting replica composition comprises a foaming compound and a polymer. The foaming compound contains an ammonium salt of a polycarboxylic acid, at least one suspending agent, and may contain at least one carrier resin. During the molding of the replica, the foamed composition avoids shrinkage and thereby maintains its intended shape. In addition, thermal decomposition of the foaming compound yields only volatile gases and therefore leaves no ashes on the interior surface of the ceramic mold.Type: GrantFiled: May 3, 1999Date of Patent: April 18, 2000Inventor: M Karl Brandt
-
Patent number: 6041797Abstract: The present invention is an apparatus for cleaning a vacuum drum used for transferring gummed labels. The apparatus operates by sealing the drum and backwashing a cleaning fluid through the vacuum ports to unplug the perimeter holes. The apparatus comprises a cylindrical housing closed on one end by a plate and, on the opposing end, by a detachable lid. A drum seat, the size of which corresponds to the size of the vacuum drum to be washed, is locked to the bottom of the housing. The drum seat has an inlet for receiving the cleaning fluid and means for dispensing the received fluid to the vacuum ports of the vacuum drum under pressure. Initially, the cleaning fluid is heated to dissolve the adhesive. Subsequently, a cooler liquid is flushed through the vacuum drum to cool it for handling.Type: GrantFiled: December 9, 1997Date of Patent: March 28, 2000Inventor: David S Casselman
-
Patent number: 6037650Abstract: The semiconductor device comprises a low-conductivity or insulating layer (5) on one surface of which is formed a conducting section (6) while the other face is provided with a hole- or electron-type semiconductor layer (1) with an ohmic contact. A semiconductor or metal layer (2) is provided on the surface of the semiconductor layer and with (1) forms a p-n junction or Schottky barrier with another ohmic contact. The choice of the alloy cross section and thickness of the layer (1) is restricted by the condition that said layer or part of it must be fully depleted by the basic charge carriers until breakdown of the p-n junction and/or the Schottky barrier when the latter is subjected to an external bias determined by the inequality shown in the application. The p-n junction and/or Schottky barrier can be formed with a non-homogeneous dopant section along a selected X direction on the surface of the layer (1).Type: GrantFiled: March 26, 1998Date of Patent: March 14, 2000Inventors: Valery Moiseevich Ioffe, Askhat Ibragimovich Maksutov
-
Patent number: D422459Type: GrantFiled: December 21, 1998Date of Patent: April 11, 2000Assignee: Cavalier Enterprises, L.L.C.Inventors: Michael R. Webb, Nancy K. Webb
-
Patent number: D426113Type: GrantFiled: October 28, 1999Date of Patent: June 6, 2000Assignee: Cavalier Enterprises, LLCInventors: Michael R. Webb, Nancy K. Webb
-
Patent number: D432258Type: GrantFiled: November 22, 1999Date of Patent: October 17, 2000Assignee: Global Research & Development CorpInventors: David A Fussell, James W Gibboney, Jr.