PRAXAIR TECHNOLOGY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B01D SEPARATION 21115
 
 
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 2072
 
 
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF8413
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 4663
 
 
 
F17C VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES 424
 
 
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 3437
 
 
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 3017
 
 
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 2279
 
 
 
C03B MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL 2127
 
 
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 2022

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0058,757 PROCESS AND APPARATUS FOR PRODUCING CARBON MONOXIDEAug 25, 16Mar 01, 18[F25J]
2018/0050,312 SYSTEM AND METHOD FOR FEEDING GAS INTO LIQUIDAug 16, 17Feb 22, 18[A01K, B01F]
2018/0010,839 TRANSPORTABLE CONTAINER, CHARGER SYSTEM, METHOD AND KIT FOR GENERATION OF CARBON DIOXIDE SNOW BLOCK IN-SITU WITHIN THE TRANSPORTABLE CONTAINER FOR PRESERVATION OF ITEMS STORED THEREWITHINJul 10, 17Jan 11, 18[A01N, F25D, B65D]
2018/0010,848 AIR SEPARATION METHOD AND APPARATUSSep 01, 17Jan 11, 18[F25J]
2017/0292,186 DOPANT COMPOSITIONS FOR ION IMPLANTATIONApr 10, 17Oct 12, 17[C23C, H01J]
2017/0294,289 BORON COMPOSITIONS SUITABLE FOR ION IMPLANTATION TO PRODUCE A BORON-CONTAINING ION BEAM CURRENTApr 10, 17Oct 12, 17[C23C, H01J]
2017/0294,314 GERMANIUM COMPOSITIONS SUITABLE FOR ION IMPLANTATION TO PRODUCE A GERMANIUM-CONTAINING ION BEAM CURRENTApr 10, 17Oct 12, 17[C23C, H01L]
2017/0284,735 AIR SEPARATION REFRIGERATION SUPPLY METHODJun 19, 17Oct 05, 17[F25J]
2017/0219,168 HYDROGEN SUPPLY METHOD AND SYSTEMApr 11, 17Aug 03, 17[F17C, F17D]
2017/0211,881 METHOD AND SYSTEM FOR PROVIDING AUXILIARY REFRIGERATION TO AN AIR SEPARATION PLANTJan 22, 16Jul 27, 17[F25J]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920988 Main heat exchange system and method for reboilingAug 22, 16Mar 20, 18[F25J]
9909670 Modified vacuum actuated valve assembly and sealing mechanism for improved flow stability for fluids sub-atmospherically dispensed from storage and delivery systemsMar 04, 15Mar 06, 18[F16K, F17C, G05D]
9896922 System and apparatus for creating a liquid carbon dioxide fracturing fluidDec 21, 12Feb 20, 18[E21B, C09K]
9868671 Method of making a hydrogen transport membrane and articleJun 12, 15Jan 16, 18[C04B, C01B, B01D]
9857804 Method and system for optimizing acetylene deliveryDec 23, 15Jan 02, 18[F17C, G05D]
9839899 Method and system for producing methanol using an integrated oxygen transport membrane based reforming systemFeb 15, 16Dec 12, 17[C07C, B01J, C01B]
9829152 Cylinder preparation for maintaining stability of stored materialsJun 14, 13Nov 28, 17[C23C, F17C]
9816642 Method and apparatus for controlling gas flow from cylindersFeb 29, 16Nov 14, 17[F16K, F17C]
9808878 Robotic welding equipment stationApr 29, 14Nov 07, 17[B23K, G06F]
9789445 Composite oxygen ion transport membraneSep 14, 15Oct 17, 17[C01B, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0245,585 SYSTEM AND METHOD FOR INTEGRATED AIR SEPARATION AND LIQUEFACTIONAbandonedFeb 24, 15Aug 25, 16[F25J]
2016/0209,029 OXYGEN ENHANCED COMBUSTION OF BIOMASSAbandonedMar 30, 16Jul 21, 16[F23L, F23G, F22B]
2016/0195,324 METHOD AND APPARATUS FOR CONTACT REFRIGERATION IN CRYOGENIC SOLID BELT FREEZERAbandonedMar 16, 16Jul 07, 16[F25D]
2016/0193,573 METHOD AND SYSTEM FOR ENHANCING MASS TRANSFER IN AERATION/OXYGENATION SYSTEMSAbandonedMar 11, 16Jul 07, 16[C02F, B01F]
2016/0102,003 ADVANCED CONTROL SYSTEM FOR WASTEWATER TREATMENT PLANTS WITH MEMBRANE BIOREACTORSAbandonedDec 18, 15Apr 14, 16[C02F]
2016/0102,259 REFORMING METHANE AND HIGHER HYDROCARBONS IN SYNGAS STREAMSAbandonedDec 18, 15Apr 14, 16[C10G, C10K, C10J]
2016/0025,408 AIR SEPARATION METHOD AND APPARATUSAbandonedJul 28, 14Jan 28, 16[F25J]
2015/0344,344 CONTROLLING GLASSMELTING FURNACE GAS CIRCULATIONAbandonedAug 13, 15Dec 03, 15[C03B]
2015/0344,345 CONTROLLING GLASSMELTING FURNACE GAS CIRCULATIONAbandonedAug 13, 15Dec 03, 15[C03B]
2015/0323,247 HEAT EXCHANGER ASSEMBLY AND SYSTEM FOR A CRYOGENIC AIR SEPARATION UNITAbandonedMay 07, 14Nov 12, 15[F25J]
2015/0128,647 GLASS FURNACE FOREHEARTH HEATINGAbandonedSep 25, 14May 14, 15[C03B]
2015/0114,037 AIR SEPARATION METHOD AND APPARATUSAbandonedOct 25, 13Apr 30, 15[F25J]
2015/0118,075 COMPRESSOR THRUST BEARING SURGE PROTECTIONAbandonedJan 05, 15Apr 30, 15[F04D]
2015/0101,993 METHOD AND SYSTEM FOR ENHANCING MASS TRANSFER IN AERATION/OXYGENATION SYSTEMSAbandonedDec 19, 14Apr 16, 15[C02F, B01F]
2015/0017,894 SYSTEM AND METHOD FOR TREATING LIVE CARGO SUCH AS POULTRY WITH GASAbandonedSep 30, 14Jan 15, 15[A22B]
2014/0356,852 SYSTEM AND METHOD FOR MICRO-AERATION BASED FERMENTATIONAbandonedDec 04, 13Dec 04, 14[C12M]
2014/0338,577 OXYGEN ENHANCED COMBUSTION OF BIOMASSAbandonedJul 31, 14Nov 20, 14[F23L, F23G]
2014/0311,972 NITRIFICATION METHOD AND SYSTEMAbandonedApr 03, 14Oct 23, 14[C02F]
2014/0308,423 Method and Apparatus for Producing Frozen Foam ProductsAbandonedJun 25, 14Oct 16, 14[A23G]
2014/0290,791 MOBILE FILLING STATIONAbandonedJun 16, 14Oct 02, 14[F17C]

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