PREFERRED TECHNOLOGY, LLC

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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 FOR2075
 
  
 
E21B EARTH OR ROCK DRILLING 1086
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 384

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0333,258 Hydrophobic Coating of Particulates for Enhanced Well ProductivityMar 18, 16Nov 17, 16[C09K, E21B]
2016/0215,208 Proppant Solids with Water Absorbent Materials and Methods of Making the SameJan 21, 16Jul 28, 16[C09K, B05D]
2016/0137,904 PROPPANTS AND METHODS OF USE THEREOFOct 30, 15May 19, 16[C09K]
2015/0315,459 Flash Coating Treatments For Proppant SolidsJul 14, 15Nov 05, 15[C09K]
2015/0259,592 Coated And Cured ProppantsMay 15, 15Sep 17, 15[C09K]
2015/0203,745 COATED AND CURED PROPPANTSMar 30, 15Jul 23, 15[C09K]
2015/0119,301 Flash Coating Treatments For Proppant SolidsOct 30, 14Apr 30, 15[C09K, B05D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9862881 Hydrophobic coating of particulates for enhanced well productivityMar 18, 16Jan 09, 18[C09K, E21B]
9790422 Proppant mixturesApr 30, 14Oct 17, 17[C09K, E21B]
9725645 Proppant with composite coatingAug 30, 13Aug 08, 17[C09K]
9624421 Dual function proppantsJun 25, 14Apr 18, 17[C09K, E21B]
9562187 Manufacture of polymer coated proppantsJan 23, 12Feb 07, 17[C09K]
9518214 Proppant with polyurea-type coatingMar 15, 13Dec 13, 16[C09K]
9290690 Coated and cured proppantsSep 25, 12Mar 22, 16[C09K, B05D, E21B]
9040467 Coated and cured proppantsJul 22, 11May 26, 15[C09K, E21B]
8993489 Coated and cured proppantsMay 03, 11Mar 31, 15[C09K, E21B]
8763700 Dual function proppantsSep 02, 11Jul 01, 14[C09K, E21B]

Expired/Abandoned/Withdrawn Patents

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