The United States of America as represented by the Secretary of the Interior

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 13193
 
  
 
B01D SEPARATION 9125
 
  
 
E21B EARTH OR ROCK DRILLING 690
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 550
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 392
 
  
 
C12P FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE 396
 
  
 
A01M CATCHING, TRAPPING OR SCARING OF ANIMALS 220
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2118
 
  
 
C12N MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF 2165
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 257

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0321,228 Method for Enhancing Microbial Methane ProducitonMay 25, 17Nov 09, 17[C12P, E21B]
2016/0074,817 Halogen Resistant Amides, Polyamides, and Membranes Made From the SameSep 17, 15Mar 17, 16[C08G, B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9921139 Handheld, underwater suction samplerNov 05, 13Mar 20, 18[G01N]
9903793 Apparatus and method to reduce biofouling of water quality datasondesNov 09, 15Feb 27, 18[G01N]
9823169 Cyclonic fugitive dust samplerApr 21, 14Nov 21, 17[B04C, G01N]
9788536 Handheld data-logging spray apparatusJan 30, 14Oct 17, 17[A01M, G06F, H05K]
9696197 Automatic surface elevation table (auto SET)Oct 14, 14Jul 04, 17[G01F]
9688551 Nozzle mixing apparatus and methods for treating water in ship ballast tanksJun 13, 13Jun 27, 17[B63J, B01F, C02F]
9689235 Safe, directional, drought-resistant dug well (SDDW)Sep 16, 14Jun 27, 17[E21B]
9393525 Forward osmosis: recyclable driving solutesApr 08, 11Jul 19, 16[C02F, B01D]
9181799 Fluid sampling systemMar 07, 13Nov 10, 15[E21B]
9056284 Chlorine resistant amides, polyamides, and membranes made from the sameAug 10, 12Jun 16, 15[C08G, C08L, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8651057 Photographic animal counter for monitoring movement of aquatic animalsExpiredAug 18, 11Feb 18, 14[A01K]
2013/0053,269 Primer Sequences for Amplification of Sea Otter Genes, and Methods of Use ThereofAbandonedFeb 21, 11Feb 28, 13[C07H, C12Q, C40B]
2010/0227,357 FUNGAL ISOLATES AND THEIR USE TO CONFER SALINITY AND DROUGHT TOLERANCE IN PLANTSAbandonedJul 21, 08Sep 09, 10[C12Q, C12N]
7629181 Molecular tag readerExpiredFeb 21, 07Dec 08, 09[C12M, G01N]
7530174 Wading rod level assemblyExpiredJul 19, 07May 12, 09[G01C]
7501046 Solar distillation loop evaporation sleeveExpiredMay 04, 05Mar 10, 09[C02F, B01D]
7282187 Recovery of metal valuesExpiredMar 26, 96Oct 16, 07[C01F]
7264777 Measurement of surface areas by polyvinylpyrrolidone sorptionExpiredAug 14, 03Sep 04, 07[G01N]
7192217 Baffle apparatusExpiredMar 01, 03Mar 20, 07[E02B]
7189366 Molecular tag readerExpiredMay 25, 01Mar 13, 07[B01L]
7162923 Adjustable floating open-water evaporation panExpiredMay 04, 05Jan 16, 07[G01F]
2006/0243,369 Method for repairing water-retaining structures using a multi-layer composite barrier systemAbandonedSep 24, 02Nov 02, 06[B29C]
7108769 Solar distillation loopExpiredDec 03, 03Sep 19, 06[B01D]
6976393 Pygmy current meter with magnetic switchExpiredMar 08, 04Dec 20, 05[G01D]
6946242 Method for maintaining the viability of spermExpiredApr 30, 03Sep 20, 05[B01F]
6936156 Automated self-calibrating water quality monitoring sensor housing assemblyExpiredAug 30, 01Aug 30, 05[G01N]
6936827 Detecting device for fluorescent-labeled materialExpiredFeb 21, 01Aug 30, 05[G01N]
6907779 Continuous flow measurement recorder and recording methodExpiredAug 18, 00Jun 21, 05[G01F]
6896813 Sorbant sequestration and removal of toxic metal ionsExpiredMar 31, 03May 24, 05[C02F]
2005/0079,818 Wireless communications systemAbandonedJul 23, 03Apr 14, 05[H04B]

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