M-I HOLDINGS L.L.C.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR1778
 
 
 
E21B EARTH OR ROCK DRILLING 1086
 
 
 
B09B DISPOSAL OF SOLID WASTE 74
 
 
 
B04B CENTRIFUGES 225
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
 
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 120
 
 
 
C07K PEPTIDES 1135
 
 
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 129

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6790811 Oil based drilling fluidJan 26, 01Sep 14, 04[C09K]
6368264 Centrifuge control system and method with operation monitoring and pump controlMar 27, 00Apr 09, 02[B04B]
6291405 Glycol based drilling fluidMar 11, 98Sep 18, 01[C09K]
6283303 Vibrating screen separator, separating method, and clamping deviceMar 29, 99Sep 04, 01[B07B]
6218342 Oil-based drilling fluidMay 23, 97Apr 17, 01[C09K]
6179070 Vacuum tank for use in handling oil and gas well cuttingsOct 29, 98Jan 30, 01[E21B]
6179071 Method and apparatus for handling and disposal of oil and gas well drill cuttingsMar 02, 99Jan 30, 01[E21B, B09B]
6029755 Conductive medium for openhole logging and logging while drillingFeb 09, 98Feb 29, 00[E21B, C09K]
6009959 Oil and gas well cuttings disposal system with continuous vacuum operation for sequentially filling disposal tanksOct 14, 97Jan 04, 00[E21B, B09B]
5985800 Invert emulsion fluids suitable for drillingMar 20, 98Nov 16, 99[C09K, B01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6574652 Intrinsically safe communication and control system for use in hazardous locations including monotoring device with intrinsically safe fluorescent tube backlitExpiredNov 17, 98Jun 03, 03[G06F]

Top Inventors for This Owner

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