U.S. ENVIRONMENTAL PROTECTION AGENCY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 15119
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 14192
 
  
 
C12Q MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR MICRO-ORGANISMS 11114
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 1083
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 847
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 4105
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 4134
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 423
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 468
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 469

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0030,518 HOST-ASSOCIATED DNA SEQUENCES, PRIMERS, AND PROBES FOR PCR-BASED IDENTIFICATION OF DOG FECAL POLLUTION SOURCESOct 13, 17Feb 01, 18[C12Q]
2017/0064,963 CHEMICAL INACTIVATION OF BACILLUS ANTHRACIS SPORES IN SOILSep 21, 16Mar 09, 17[A01N]
2014/0338,297 ARTIFACT FREE INERT FILTER MEDIUM FOR COLLECTION OF ORGANIC PARTICLESMay 19, 14Nov 20, 14[B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9914654 PEPS—portable evaluation pilot skidAug 13, 14Mar 13, 18[C02F, B01D]
9816141 Host-associated DNA sequences, primers, and probes for PCR-based identification of dog fecal pollution sourcesMar 31, 14Nov 14, 17[C12Q, C12P]
9718017 Multi-filter chemical speciation sampler and virtual impaction particle separation inlet thereforeSep 23, 13Aug 01, 17[G01N, B01D]
9586814 Solid state amperometric chloramine sensorJul 11, 13Mar 07, 17[G01N, B81B]
9541432 Flow imaging and monitoring for synchronized management of wide area drainageMay 19, 14Jan 10, 17[F16M, H01M, E03F, G01F]
9375684 Green synthesis nanocomposite membranesApr 30, 12Jun 28, 16[B82Y, C02F, B01D]
9346347 Methods for safe operation of hydraulic hybrid vehicles with over-center pump/motorsApr 08, 11May 24, 16[B60K, B60W, F15B, F16H]
9285354 Systems and methods for the detection of low-level harmful substances in a large volume of fluidSep 10, 12Mar 15, 16[G01N, C02F, B01D]
9266803 Liquid separation by membrane assisted vapor stripping processJun 06, 12Feb 23, 16[C07C, B01D]
9121395 Method for assembling a bent-axis pump/motorSep 25, 13Sep 01, 15[F04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0090,617 CONCENTRATION DEVICE FOR MICROORGANISMS IN LARGE VOLUMES OF TURBID WATER AND METHOD THEREFORAbandonedSep 25, 14Mar 31, 16[C12Q]
2015/0335,025 CHEMICAL INACTIVATION OF BACILLUS ANTHRACIS SPORES IN SOILAbandonedMay 20, 14Nov 26, 15[A01N]
2015/0087,000 DIAGNOSTIC KITS TO DETECT SP22 AND SP22 ANTIBODIESAbandonedMar 20, 14Mar 26, 15[G01N]
8652233 On-board hydraulic fluid degasification system for a hydraulic hybrid vehicleExpiredMar 29, 12Feb 18, 14[B01D]
8646565 Hydraulic hybrid vehicle method of safe operationExpiredJan 23, 12Feb 11, 14[B60K]
2014/0001,124 SYSTEM FOR OXIDATION OF ARSENIC (III) IN GROUNDWATERS WITH HIGH IRON AND MANGANESE CONCENTRATIONS AND METHOD THEREFORAbandonedJun 27, 12Jan 02, 14[B01J, C02F]
8522546 On-demand power brake system and methodExpiredJun 26, 08Sep 03, 13[B60T]
8518263 Method for fabrication of elastomeric asymmetric membranes from hydrophobic polymersExpiredDec 13, 11Aug 27, 13[B01D]
2013/0096,334 Magnetic Nanoparticle-Supported Glutathione as a Sustainable OrganocatalystAbandonedNov 30, 12Apr 18, 13[B01J]
8407999 Efficiency turbocharged engine system with bottoming cycle, and method of operationExpiredSep 30, 08Apr 02, 13[F01K, F02B]
8408144 Hybrid locomotive regenerative energy storage system and methodExpiredMar 25, 10Apr 02, 13[B61C]
8397848 Hydraulic-electric regenerative energy storage system for plug-in hybrid motor vehiclesExpiredAug 20, 12Mar 19, 13[B60K]
8387385 Efficient bypass valve for multi-stage turbocharging systemExpiredJul 01, 05Mar 05, 13[F16K, F02B, F02D]
8381851 Methods of operating a series hybrid vehicleExpiredNov 29, 10Feb 26, 13[B60K]
8375982 Hydraulic circuit and manifold with multifunction valveExpiredSep 28, 09Feb 19, 13[F16K]
8356547 Variable length bent-axis pump/motorExpiredFeb 05, 10Jan 22, 13[F01B]
8356985 Safe over-center pump/motorExpiredSep 29, 06Jan 22, 13[F04B]
8324125 Magnetic nanoparticle-supported glutathione as a sustainable organocatalystExpiredSep 03, 09Dec 04, 12[C07F, C07D, C07C]
8306682 Methods for optimizing the efficiency of a series hybrid vehicle with multi-gear transmissionExpiredDec 17, 09Nov 06, 12[B60W, G06F, F16H]
8297198 Hydraulic-electric regenerative energy storage systemExpiredFeb 24, 10Oct 30, 12[B61C]

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