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Dresser Industries, Inc. Patents
Assignee:
Dresser Industries, Inc.
Address:
Dallas, TX
No. of patents:
1223
Patents:












Patent Number Title Of Patent Date Issued
RE33757 Diamond drill bit with varied cutting elements December 3, 1991
An earth boring bit utilizing thermally stable polycrystalline diamond material having a row of closely spaced sharp cutting elements, following by a row of widely spaced, blunt or rounded cutting elements, each cutting element extending from a supporting matrix a predetermined amount to
RE33028 Electropneumatic transducer system August 22, 1989
A temperature compensation circuit is provided which can be used for span temperature compensation in an electropneumatic transducer system and which includes a constant current generator circuit coupled to a bridge of piezo resistances in a pressure transducer to supply a constant curre
RE32205 Basic oxygen furnace construction July 15, 1986
A construction for the cone section zone of oxygen converter vessels consisting of a plurality of courses of refractory brick having a parallelogram configuration to provide a smooth surface for the working lining face.
RE31122 Method for ascertaining optimum location for well stimulation and/or perforation January 11, 1983
A method is disclosed for the in situ examination of earth formations penetrated by a borehole to ascertain the optimum location along the length thereof for instituting well stimulation operations or, where the well is cased, the optimum location for perforating the casing. The method
H1963 High pressure differential electrical connector June 5, 2001
The present invention is directed to a downhole, high-current, low-impedance, feed-through connector for passing electrical current, preferably high frequency AC current, between a tool compartment having relatively high pressure and another tool compartment having relatively low pre
D405811 Seven blade drill bit February 16, 1999
D404407 Eight blade drill bit January 19, 1999
D404044 Six blade drill bit January 12, 1999
D403336 Five blade drill bit December 29, 1998
D403335 Four blade drill bit December 29, 1998
D403003 Nine blade drill bit December 22, 1998
D384084 Rotary cone drill bit September 23, 1997
D372253 Support arm and rotary cone for modular drill bit July 30, 1996
D300122 Electronic thermometer display or the like March 7, 1989
D294707 Radiator guard for a construction vehicle March 15, 1988
D292404 Portable point of sale customer credit card encoder October 20, 1987
D290220 Power tool reaction brace June 9, 1987
D290124 Combined point of sale register and credit card approver June 2, 1987
D289396 Point of sale customer credit card encoder April 21, 1987
D289050 Point of sale transaction printer March 31, 1987
D287600 Nozzle receptacle for fuel dispenser January 6, 1987
D287498 Fuel dispenser December 30, 1986
D286158 Road planer October 14, 1986
D276758 Material lift vehicle body December 11, 1984
D276726 Fuel dispenser December 11, 1984
D275678 Road roller September 25, 1984
D275107 Motor grader vehicle August 14, 1984
D273791 Fuel dispenser May 8, 1984
D273790 Fuel dispenser May 8, 1984
D272631 Fuel dispenser February 14, 1984
D272629 Fuel dispenser February 14, 1984
D272628 Fuel dispenser February 14, 1984
D272627 Fuel dispenser February 14, 1984
D271696 Multi-product fuel dispenser December 6, 1983
D266673 Fuel dispenser October 26, 1982
D260897 Multi-product fuel dispenser September 22, 1981
D258441 Liquid fuel dispensing pump March 3, 1981
D258440 Liquid fuel dispensing pump March 3, 1981
D258439 Liquid fuel dispensing pump March 3, 1981
D258438 Liquid fuel dispensing pump March 3, 1981
D258437 Liquid fuel dispensing pump March 3, 1981
D258361 Liquid fuel dispensing pump February 24, 1981
D250143 Gasoline dispenser October 31, 1978
6899197 Method and apparatus for absorbing acoustic energy May 31, 2005
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 receiver. The acou
6564899 Method and apparatus for absorbing acoustic energy May 20, 2003
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 receiver. The acou
6552962 Method and apparatus for acoustic logging April 22, 2003
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 radially apart from one or more of the
6476609 Electromagnetic wave resistivity tool having a tilted antenna for geosteering within a desired p November 5, 2002
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 using an antenna configuration
6429784 Casing mounted sensors, actuators and generators August 6, 2002
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 coupled to the receiver. The casi
6415687 Rotary cone drill bit with machined cutting structure and method July 9, 2002
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 structure may be formed on a
6392561 Short hop telemetry system and method May 21, 2002
The invention relates to a data transmission or telemetry system and a method for communicating information axially along a drill string. The method includes the step of conducting an axial electrical signal embodying the information between a first axial position in the drill string

 
 
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