DRESSER INDUSTRIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 5348
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 2258
 
  
 
F16H GEARING397
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
B21B ROLLING OF METAL 230
 
  
 
B21K MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS 221
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 257
 
  
 
B23C MILLING 132
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2007/0139,217 Data relay system for casing mounted sensors, actuators and generatorsFeb 01, 07Jun 21, 07[G01V]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7932834 Data relay system for instrument and controller attached to a drill stringFeb 01, 07Apr 26, 11[G01V]
7173542 Data relay for casing mounted sensors, actuators and generatorsJun 11, 02Feb 06, 07[G01V]
7046165 Method for collecting geological data ahead of a drill bitJun 11, 02May 16, 06[G01V]
6987463 Method for collecting geological data from a well bore using casing mounted sensorsJun 11, 02Jan 17, 06[G01V]
6911824 Electromagnetic wave resistivity tool having a tilted antenna for geosteering within a desired payzoneSep 25, 02Jun 28, 05[E21B, G01V]
6899197 Method and apparatus for absorbing acoustic energySep 23, 02May 31, 05[G01V]
6837332 Method and apparatus for cancellation of unwanted signals in MWD acoustic toolsJan 04, 02Jan 04, 05[G01V]
6747570 Method for preventing fracturing of a formation proximal to a casing shoe of well bore during drilling operationsJun 11, 02Jun 08, 04[G01V]
6693554 Casing mounted sensors, actuators and generatorsJun 11, 02Feb 17, 04[G01V]
6564899 Method and apparatus for absorbing acoustic energySep 24, 98May 20, 03[G01V]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0071,809 Method for collecting geological data from a well bore using casing mounted sensorAbandonedNov 15, 05Apr 06, 06[E21B, G01V]
2005/0024,060 Electromagnetic wave resistivity tool having a tilted antenna for geosteering within a desired payzoneAbandonedAug 04, 03Feb 03, 05[G01V]
6260635 Rotary cone drill bit with enhanced journal bushingExpiredJan 25, 99Jul 17, 01[E21B]
H001963 High pressure differential electrical connectorExpiredJan 15, 99Jun 05, 01[H02G]
6227316 Jet bit with variable orifice nozzleExpiredMar 10, 99May 08, 01[E21B]
6180573 Weight material for drilling fluids and method of creating and maintaining the desired weightExpiredNov 13, 98Jan 30, 01[C09K, E21B]
6170583 Inserts and compacts having coated or encrusted cubic boron nitride particlesExpiredJan 16, 98Jan 09, 01[E21B]
6148938 Wear resistant cutter insert structure and methodExpiredOct 20, 98Nov 21, 00[E21B]
6138779 Hardfacing having coated ceramic particles or coated particles of other hard materials placed on a rotary cone cutterExpiredJan 16, 98Oct 31, 00[E21B]
6109375 Method and apparatus for fabricating rotary cone drill bitsExpiredFeb 10, 99Aug 29, 00[E21B]
6105674 Composition and method for recovering lost circulation and sealing earth boreholes and cavitiesExpiredFeb 05, 98Aug 22, 00[E21B]
6102140 Inserts and compacts having coated or encrusted diamond particlesExpiredJan 16, 98Aug 15, 00[E21B]
6098714 Hydraulic fluid actuator with metal to metal sealsExpiredJul 17, 98Aug 08, 00[E21B]
6092611 Encapsulated elastomeric relief valveExpiredMay 18, 98Jul 25, 00[E21B]
6070465 Free water measurement apparatus and method thereofExpiredAug 24, 98Jun 06, 00[G01N]
6053251 Reduced travel operating mechanism for downhole toolsExpiredApr 09, 98Apr 25, 00[E21B]
6050143 Fluid flow system and method for sensing fluid flowExpiredOct 21, 98Apr 18, 00[G01B, G01F]
6038513 Method and apparatus for quick determination of the ellipticity of an earth boreholeExpiredSep 23, 98Mar 14, 00[G01V]
5987385 Method and apparatus for creating an image of an earth borehole or a well casingExpiredSep 17, 98Nov 16, 99[G01V]
5893204 Production process for casting steel-bodied bitsExpiredNov 12, 96Apr 13, 99[B21B]

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