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BAKER HUGHES LTD

Overview
  • Total Patents
    73
About

BAKER HUGHES LTD has a total of 73 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Norway, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, civil engineering and chemical engineering are ENERCORP SAND SOLUTIONS INC, STAUPER OFFSHORE AS and CALTEC LTD.

Patent filings per year

Chart showing BAKER HUGHES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Skilbeck Frank 13
#2 Shaw Christopher K 12
#3 Williams Edward Emyr 7
#4 Nickson Peter William 7
#5 Wainwright Robert 7
#6 Knox-Holmes Brent Roland 6
#7 Bowers Bill E 6
#8 Lloyd David Douglas 5
#9 Thompson Peter Austin 5
#10 Thompson Peter K 4

Latest patents

Publication Filing date Title
GB9919462D0 Cyclone separator with multiple baffles of distinct pitch
AU3680799A Biofouling reduction
WO9820233A2 Fluid separation and reinjection systems for oil wells
EP1445420A2 Oil separation and pumping systems
US6082452A Oil separation and pumping systems
CA2245677A1 Hydrocyclone separator
EP0879092A1 Hydrocyclone separator
CA2241419A1 Cyclonic separator assembly and method
AU1392197A Cyclonic separator assembly and method
US6213208B1 Three component separation in an oil well
EP0843596A1 Hydrocyclone
US6080312A Downhole cyclonic separator assembly
DE19603026A1 Use of mixtures of amine phosphates and polyaspartic acid or aspartic acid copolycondensates as scale inhibitors in petroleum and natural gas production
DE19603027A1 Use of polyaspartic acids modified hydrophobically with amines as corrosion inhibitors in the production of crude oil and natural gas
GB9820461D0 Biofouling reduction
US5605172A Fluid control valve and method for subjecting a liquid to a controlled pressure drop
GB9302091D0 Down hole installations
AU5192090A Seal for shaft
GB8901414D0 Seal for shaft