WINTERSHALL HOLDING GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 1185
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR788
 
  
 
C12P FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE 495
 
  
 
B01D SEPARATION 3131
 
  
 
C08B POLYSACCHARIDES; DERIVATIVES THEREOF 328
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136
 
  
 
C12N MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF 2165
 
  
 
A63B APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT 166
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0044,421 SOLID-STABILIZED EMULSIONApr 20, 15Feb 16, 17[C09K]
2016/0002,363 Process For Filtration Of HomopolysaccharidesFeb 26, 14Jan 07, 16[C08B, B01D]
2014/0008,064 USE OF CRUDE GLYCEROL (CG) FOR PRODUCTION OF FORMULATIONS FOR MINERAL OIL PRODUCTION AND PROCESS FOR PRODUCING MINERAL OIL FROM MINERAL OIL DEPOSITS HAVING INHOMOGENEOUS PERMEABILITYJul 02, 13Jan 09, 14[E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9702235 Method of improving mineral oil production by heating the formation and forming gelAug 17, 12Jul 11, 17[C09K, E21B]
9587472 Process for producing natural gas and natural gas condensate from underground gas condensate depositsSep 25, 13Mar 07, 17[C09K, E21B]
9518211 Method for recovering oilJan 15, 14Dec 13, 16[C09K, E21B]
9475743 Process for the preparation of substituted TRIS(2-hydroxyphenyl)methaneFeb 28, 14Oct 25, 16[C07C]
9388441 Genetically modified microorganisms capable of producing β-glucans and methods for producing β-glucansMar 18, 16Jul 12, 16[C12P, C12N]
9322041 Genetically modified microorganisms capable of producing beta-glucans and methods for producing beta-glucansJul 03, 13Apr 26, 16[C12P, C12N, C08B, C08L]
9260955 Method of reducing zone permeability by in-situ formation gel of urotropin and urea in an aqueous solutionSep 07, 12Feb 16, 16[C09K, E21B]
9212545 Use of tris(2-hydroxyphenyl)methane derivatives for tertiary mineral oil productionOct 17, 12Dec 15, 15[C09K, C08G, C07C, E21B]
9206348 Process for mineral oil production from mineral oil deposits with high deposit temperatureFeb 13, 12Dec 08, 15[C09K]
9155944 Golf club and golf club head structuresNov 21, 12Oct 13, 15[A63B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0168,446 METHOD FOR PRODUCING MINERAL OIL FROM AN UNDERGROUND MINERAL OIL DEPOSIT USING A COMPOSITION (Z) COMPRISING A GLYCEROL-BORIC ACID COMPLEXAbandonedJul 03, 14Jun 16, 16[C09K, E21B]
2016/0084,053 Flowable Composition For The Thermal Treatment Of CavitiesAbandonedApr 09, 14Mar 24, 16[C09K, C06B, E21B]
2015/0353,808 A Solid Particles-Stabilized Emulsion And Process For Preparing The SameAbandonedJan 15, 14Dec 10, 15[C09K]
2015/0292,287 DEVICE AND PROCESS FOR STIMULATION AND CLEANING OF A LIQUID-FILLED WELLAbandonedDec 03, 13Oct 15, 15[E21B]
2015/0252,663 FLOWABLE COMPOSITION, METHOD FOR PRODUCING THE FLOWABLE COMPOSITION AND METHOD FOR FRACKING A SUBTERRANEAN FORMATION USING THE FLOWABLE COMPOSITIONAbandonedSep 25, 13Sep 10, 15[C09K, C06B, E21B]
2015/0247,395 Free-Flowing Aqueous Compositions And Processes For Enhancing The Production Rate Of Mineral Oil And/Or Natural Gas From An Underground Deposit Comprising Mineral Oil And/Or Natural GasAbandonedSep 25, 13Sep 03, 15[C09K, E21B]
2015/0240,608 Process For Producing Natural Gas And Natural Gas Condensate From Underground Gas Condensate DepositsAbandonedSep 25, 13Aug 27, 15[E21B]
2015/0175,872 Process For Dissolving Deposits Comprising Alkaline Earth Metal SulfatesAbandonedMar 27, 13Jun 25, 15[C09K, E21B]
2015/0152,453 GENETICALLY MODIFIED MICROORGANISMS CAPABLE OF PRODUCING BETA-GLUCANS AND METHODS FOR PRODUCING BETA-GLUCANSAbandonedJul 03, 13Jun 04, 15[C12P, C12N]
2014/0008,065 FORMULATIONS BASED ON CRUDE GLYCEROL (CG), CELLULOSE ETHER AND UREA, PROCESS FOR PRODUCING MINERAL OIL FROM MINERAL OIL DEPOSITS HAVING INHOMOGENEOUS PERMEABILITY AND PROCESS FOR PRODUCING THESE FORMULATIONSAbandonedJul 02, 13Jan 09, 14[C09K]
2013/0310,553 METHOD FOR PRECIPITATING AND RE-DISSOLVING BETA-GLUCANAbandonedMay 14, 13Nov 21, 13[C08B]
2013/0081,809 PROCESS FOR PRODUCING MINERAL OIL FROM AN UNDERGROUND DEPOSITAbandonedSep 28, 12Apr 04, 13[E21B]
2012/0325,481 PROCESS FOR OBTAINING VISCOUS MINERAL OIL FROM AN UNDERGROUND DEPOSITAbandonedJun 21, 12Dec 27, 12[E21B]

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