UNITED UTILITIES PLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 649
 
  
 
B01D SEPARATION 2132
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
A62D CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS115
 
  
 
C05F ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE111
 
  
 
C07K PEPTIDES 1135
 
  
 
C12M APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY 148
 
  
 
C12N MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF 1166
 
  
 
C12P FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE 198
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 122

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0326,018 PROCESSDec 30, 14Nov 10, 16[C02F]
2016/0326,214 METHOD FOR THE PREPARATION OF BIOPOLYMERSJan 05, 15Nov 10, 16[C12N, C07K]
2016/0329,588 A METHOD FOR THE RECOVERY OF ORGANIC COMPOUNDS FROM WASTEWATER FOR GENERATING ELECTRICITYJan 09, 15Nov 10, 16[C12P, H01M, C02F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9187355 Production of volatile fatty acids by means of mesophilic fermentation of sludgeNov 28, 08Nov 17, 15[C12M, C02F]
7892310 Biowaste treatmentJul 04, 06Feb 22, 11[C05F, A62D]
7504035 Treatment of putrescrible cakesSep 28, 06Mar 17, 09[C05F, C02F]
7452465 Incubation treatment of sludge for pathogen reduction prior to digestionSep 18, 02Nov 18, 08[C02F]
7150826 Filtering apparatusSep 10, 02Dec 19, 06[B01D]
6929744 Sludge treatment at a mesophilic temperatureMay 02, 01Aug 16, 05[C02F]
6829566 Pipe network optimizationJul 30, 02Dec 07, 04[G21C]
5653554 Apparatus for removing piping from the groundNov 10, 94Aug 05, 97[F16L]
5522678 Ground anchorsApr 18, 94Jun 04, 96[F16L, E02D]
5298172 Method and apparatus for removing grit from sewageSep 10, 92Mar 29, 94[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0096,618 METHOD AND APPARATUS FOR AERATIONAbandonedJul 08, 08Apr 28, 11[B01J, B01F]
2004/0148,113 Determination of leakage and identification of bursts in a pipe networkAbandonedJan 12, 04Jul 29, 04[G01L]
6276250 Method and apparatus for separating a pipe from a cableExpiredSep 09, 99Aug 21, 01[B26D]
6149383 Rotating machineExpiredJan 08, 99Nov 21, 00[F03B, F01D]
6137571 Optical instrumentExpiredApr 22, 99Oct 24, 00[G01N]
5693740 Aromatic polysulphonesExpiredOct 15, 96Dec 02, 97[C08G]
5439598 Industrial filtration apparatus and method for the separation of solids from a fluid streamExpiredAug 17, 94Aug 08, 95[B01D]

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