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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Assignee: Dresser Industries, Inc.


Location: Dallas, TX
No. of patents: 1180

1                      
NumberTitleIssue Date
6899197Method and apparatus for absorbing acoustic energy
An acoustic logging tool including an elongated body, one or more acoustic transmitters, one or more acoustic receivers, and a broadband acoustic absorption region. A substantial portion of the broadband acoustic absorption region is between the transmitter and the ...
05/31/2005
6564899Method and apparatus for absorbing acoustic energy
An acoustic logging tool including an elongated body, one or more acoustic transmitters, one or more acoustic receivers, and a broadband acoustic absorption region. A substantial portion of the broadband acoustic absorption region is between the transmitt...
05/20/2003
6552962Method and apparatus for acoustic logging
The invention is a method and apparatus for acoustic logging including one or more acoustic transmitters and one or more acoustic receivers. One or more of the elements of a set made up of the acoustic receivers and acoustic transmitters are spaced radial...
04/22/2003
6429784Casing mounted sensors, actuators and generators
A casing sensor and methods for sensing using a casing sensor are disclosed. The casing sensor includes a casing shoe and a sensor coupled to the casing shoe. A casing data relay includes a downhole receiver coupled to a well casing and a transmitter coup...
08/06/2002
6415687Rotary cone drill bit with machined cutting structure and method
A rotary cone drill bit is provided with at least one cutter cone assembly having a machined cutting structure which will maintain an effective cutting profile despite abrasion, erosion and/or wear of the associated cutting elements. The machined cutting ...
07/09/2002
6390209Roller cone drill bit with improved pressure compensation
A pressure compensating assembly for use in roller cone drilling bits of the sealed bearing type. The compensating assembly includes a hollow body arranged to fit into a cavity in the bit connected with the lubrication system of the bit and the hollow bod...
05/21/2002
6366531Method and apparatus for acoustic logging
The invention is a method and apparatus for acoustic logging including one or more acoustic transmitters and one or more acoustic receivers. One or more of the elements of a set made up of the acoustic receivers and acoustic transmitters are spaced radial...
04/02/2002
6296056Subsurface measurement apparatus, system, and process for improved well drilling, control, and production
Subsurface wellbore conditions are measured directly in the wellbore while the fluid circulation system is not pumping. The measured values are recorded at the subsurface location and subsequently transmitted to the well surface when circulation is resume...
10/02/2001
6282951Fluid flow system having a stress relief casing
A fluid flow system, casing and method according to which a chamber is formed in the casing and at least one conduit is coupled to the casing so that fluid passes from the conduit and into the chamber and so that forces acting on the conduit creates stres...
09/04/2001
6272401Valve positioner system
A valve positioner system that includes one or more unique control methods and devices, including several routines to facilitate the continuous maintenance, calibration and adjustment requirements of the valve. The positioner system may utilize pressure a...
08/07/2001
6269892Steerable drilling system and method
A bottom hole assembly 10 for drilling a deviated borehole includes a positive displacement motor 12 having a substantially uniform diameter motor housing outer surface without stabilizers extending radially therefrom. The motor housing 14 has a fixed ben...
08/07/2001
6260635Rotary cone drill bit with enhanced journal bushing
The present invention allows the load carrying capability of a drill bit journal bearing or bushing to be increased. The present invention increases the length of the journal bushing by using the ball bearings to retain the journal bushing at a desired lo...
07/17/2001
6227316Jet bit with variable orifice nozzle
A nozzle for a drill bit has an adjustable orifice, allowing a single nozzle to change the pressure drop for a given flow rate. This is accomplished by the use of two plates, each having a shaped aperture therein. The degree to which the two apertures are...
05/08/2001
6220374Rotary cone drill bit with enhanced thrust bearing flange
The present invention allows the load-bearing capabilities of a drill bit thrust flange to be increased. The invention utilizes a thrust flange that is larger than the inside diameter of an associated drill bit journal bushing. The thrust flange may exten...
04/24/2001
6216533Apparatus for measuring downhole drilling efficiency parameters
A downhole drilling efficiency sensor (DES) apparatus for use with drilling operations in oil and gas exploration, that accurately measures important drilling parameters at or near the drill bit in order to increase the effectiveness and productivity of t...
04/17/2001
6216541Pressure gauge overpressure safety release
A pressure gauge in which the displacement tip of the Bourdon tube is sealed and secured to a bracket of an amplifier movement by a selected solder composition affording a failure response to an encountered overpressure at a pressure value lower than the ...
04/17/2001
6213250Transducer for acoustic logging
An acoustic logging apparatus includes a tool body and a housing. A transducer operating in the bending mode is mounted in the housing. The transducer operates such that it is excited by or emits acoustic energy in only one of the two directions substanti...
04/10/2001
6213228Roller cone drill bit with improved pressure compensation
A pressure compensating assembly for use in roller cone drilling bits of the sealed bearing type. The compensating assembly includes a hollow body arranged to fit into a cavity in the bit connected with the lubrication system of the bit and the hollow bod...
04/10/2001
6206116Rotary cone drill bit with machined cutting structure
A rotary cone drill bit is provided with at least one cutter cone assembly having a machined cutting structure which will maintain an effective cutting profile despite abrasion, erosion and/or wear of the associated cutting elements. The machined cutting ...
03/27/2001
6202746Fail-safe coupling for a latch assembly
A fail-safe tubular receiving member for use in combination with a latch assembly to longitudinally support and rotationally orient the latch assembly in a wellbore. The latch assembly includes at least one outwardly biased, radially movable latch member ...
03/20/2001
6196335Enhancement of drill bit seismics through selection of events monitored at the drill bit
A downhole tool for use at or near the bit measures the vibrations at or near the bit. The tool uses statistical techniques to choose strong events. The tool sends data regarding the strong events to the surface via telemetry....
03/06/2001
6191586Method and apparatus for azimuthal electromagnetic well logging using shielded antennas
An apparatus and method for implementing azimuthal capabilities on electromagnetic wave resistivity well logging tools. The apparatus comprises a structurally simple antenna shield positioned around either the transmitting or receiving antennas, or both, ...
02/20/2001
6191561Variable output rotary power generator
The present invention is directed to a downhole apparatus for quickly generating and regulating variable output electric power by varying the alignment of a pair of axially adjacent permanent magnets rotating within an armature having electrically conduct...
02/20/2001
6189612Subsurface measurement apparatus, system, and process for improved well drilling, control, and production
Subsurface wellbore conditions are measured directly in the wellbore while the fluid circulation system is not pumping. The measured values are recorded at the subsurface location and subsequently transmitted to the well surface when circulation is resume...
02/20/2001
6170583Inserts and compacts having coated or encrusted cubic boron nitride particles
An insert is provided for a rock bit for drilling bore holes in the ground and other downhole tools. The cutting portion of the inserts consist of encrusted cubic boron nitride pellets, tungsten carbide particles and a binder material which are fused toge...
01/09/2001
6169967Cascade method and apparatus for providing engineered solutions for a well programming process
A method and system for engineering a drilling bit program linked to rock removal at a cutting element/formation interface and specific to drilling of one or more wells in a given geographic area is disclosed. The system includes a first arrangement for p...
01/02/2001
6164389Core sampling method and core sampler therefor
A core sampling method, particularly for the oil industry, wherein actual core sampling is performed by means of a core sampler (1) comprising at least one Inner barrel (5), an outer barrel (2) and a bit (3), and a substantially axial compressive force (F...
12/26/2000
6164138Self aligning dial for instrument gauge
There is disclosed a pressure gauge construction in which the dial plate includes recessed indentations interfit with pins projecting beyond the front face of the gauge movement for supporting a dial plate in place. An adhesive cement is contained between...
12/26/2000
6163155Electromagnetic wave resistivity tool having a tilted antenna for determining the horizontal and vertical resistivities and relative dip angle in anisotropic earth formations
This invention is directed to a downhole method and apparatus for simultaneously determining the horizontal resistivity, vertical resistivity, and relative dip angle for anisotropic earth formations. The present invention accomplishes this objective by us...
12/19/2000
6158289Multiple orifice ultrasonic meter for measuring flow of specific grades of fuel
A multiproduct fuel dispensing system for dispensing different grade fuels stored in several reservoir tanks. Several fuel delivery conduits deliver a specific grade of fuel from one or more of the reservoir tanks. Plural ultrasonic metering orifices are ...
12/12/2000
6152591Interactive graphics display system for a fuel dispenser
The present invention is a system for providing a fuel dispenser with a graphics interface. The system easily retrofits onto an existing, conventional fuel dispenser. The system likewise allows a customer to interact with the commercials as well as the in...
11/28/2000
6148938Wear resistant cutter insert structure and method
A wear resistant cutter insert structure and method include a stud having at least one face. A primary tapered ridge and at least one secondary tapered ridge extending from the primary tapered ridge are formed in the face. A layer of abrasive material is ...
11/21/2000
6148912Subsurface measurement apparatus, system, and process for improved well drilling control and production
Subsurface wellbore conditions are measured directly in the wellbore while the fluid circulation system is not pumping. The measured values are recorded at the subsurface location and subsequently transmitted to the well surface when circulation is resume...
11/21/2000
6151554Method and apparatus for computing drill bit vibration power spectral density
A power spectrum density processor is located near the drill bit while drilling. The power spectral density processor computes the power spectral density of the vibrations generated by the drill bit while drilling. The power spectral density information i...
11/21/2000
6145604Core Machine
Core machine intended particularly to the oil prospection field, comprising a core crown (2), an external tube (3) for the rotational driving of the core crown (2), and an internal tube (4) having a free front end element (7) intended to receive a core (5...
11/14/2000
6134888Turbocharger control management system
An electronic turbocharger control system for an internal combustion engine is provided to control at least one turbocharger by controlling a bypass valve and a wastegate in response to the engine speed, engine load, ambient temperature, and the operating...
10/24/2000
6131677Steel-bodied bit
Steel bit bodies are manufactured with polystyrene patterns in a lost foam casting process. The patterns are machined in complex shapes that cannot be extractable from reusable, two-piece pattern molds. The patterns are machined in a basic, programmed, fi...
10/17/2000
6129391Plastic coupling for plastic pipe having a completed installation signal
A plastic pipe coupling for the joining of plain end plastic pipe that includes a pair of longitudinally displaced annular followers, a tubular middle ring extending between the opposite followers, an annular gasket within each follower contiguous to the ...
10/10/2000
6119525Pressure gauge having dampener mechanism
Dampening apparatus for a pressure gauge in which a short length of sleeve, ferrule, hub or thimble encircles the pointer shaft in a close but loose fit relation and is packed with a high viscosity fluid such that it will serve to decelerate and cushion a...
09/19/2000
6112981Bar code reader for a fuel dispenser
A system and method to adapt a fuel dispenser and related facilities to accept bar coded cards in addition to or instead of magnetic strip cards. A standard bar code reader is used in conjunction with a magnetic strip card reader. The bar code reader incl...
09/05/2000
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