HRS INVESTMENTS LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 141
 
  
 
C12M APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY 148
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 124
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 144

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9381490 Process and apparatus for the pre-treatment of biomassApr 14, 10Jul 05, 16[C10L, C12M, F28D, F27D, B01J, C13K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0209,274 SELF-PUMPING HEAT EXCHANGE UNITAbandonedOct 07, 13Jul 31, 14[F28G]
2014/0116,269 MACHINE FOR HEAT EXCHANGE WITH A PRODUCTAbandonedJun 18, 12May 01, 14[A23L, B67D]

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