U.S.A. AS REPRESENTED BY THE SECRETARY OF THE DEPT. OF THE INTERIOR

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Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 4202
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 253
 
  
 
E21B EARTH OR ROCK DRILLING 294
 
  
 
A01K ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS147
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9011689 Artificial recharge systemJul 31, 12Apr 21, 15[C02F]
8935965 Apparatus to assist in the collection of stormwater-quality samples in a vertical profileSep 12, 12Jan 20, 15[G01N]
8751169 Spectral method for determining the source of expanded vermiculite insulation in attics and wallsSep 28, 11Jun 10, 14[C04B, G01N]
8286512 Apparatus to assist in the collection of stormwater-quality samples in a vertical profileMay 13, 10Oct 16, 12[G01N]
8051727 Pore-water profilerApr 22, 08Nov 08, 11[G01N]
7757757 In-well baffle apparatus and methodMar 04, 08Jul 20, 10[E21B]
7631705 Enhanced screen auger sampling systemMar 20, 07Dec 15, 09[E21B]
7294275 Method of removing phosphorus from wastewaterMay 04, 05Nov 13, 07[C02F]

Expired/Abandoned/Withdrawn Patents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]
7530174 Wading rod level assemblyExpiredJul 19, 07May 12, 09[G01C]
7501046 Solar distillation loop evaporation sleeveExpiredMay 04, 05Mar 10, 09[C02F, B01D]

Top Inventors for This Owner

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