BERKSHIRE HATHAWAY ENERGY COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 2132
 
  
 
C25C PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR 217
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 134

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8894865 Process for depleting calcium and/or iron from geothermal brinesNov 14, 12Nov 25, 14[C22B, C25B, C02F, B01D]
8313653 Method of removing iron and calcium from a geothermal brineAug 11, 10Nov 20, 12[B01D]
7776202 Process for producing electrolytic manganese dioxideJan 23, 04Aug 17, 10[C25C]
6682644 Process for producing electrolytic manganese dioxide from geothermal brinesMay 31, 02Jan 27, 04[C25C]
6080696 Method for cleaning fouled ion exchange resinsAug 03, 98Jun 27, 00[B01J]
6056934 Method and device for hydrogen sulfide abatement and production of sulfuric acidMay 08, 98May 02, 00[C01B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0076,064 PROCESS FOR DEPLETING CALCIUM AND/OR IRON FROM GEOTHERMAL BRINESAbandonedNov 21, 14Mar 19, 15[B01D]

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