Patent assignee · CH · COMPANY

ABB Management AG

104Patents
0Active
104Granted
42Portfolio score

Filing activity: Dec 28, 1993 → Mar 7, 1997

Most-cited patents

PatentTitleAreaCited byStatus
US5584182A Combustion chamber with premixing burner and jet propellent exhaust gas recirculation Mechanical Engineering; Lighting; Heating 94 Expired
US5574312A Low-inductance power semiconductor module Electricity 70 Expired
US5584684A Combustion process for atmospheric combustion systems Mechanical Engineering; Lighting; Heating 52 Expired
US5577378A Gas turbine group with reheat combustor Emerging Cross-Sectional Technologies 44 Expired
US5588826A Burner Mechanical Engineering; Lighting; Heating 40 Expired
US5454220A Method of operating gas turbine group with reheat combustor Emerging Cross-Sectional Technologies 38 Expired
US5586866A Baffle-cooled wall part Mechanical Engineering; Lighting; Heating 38 Expired
US5564275A Method and apparatus for high-pressure end exhaust gas recirculation on a supercharged internal combustion engine Emerging Cross-Sectional Technologies 33 Expired
US5495709A Air reservoir turbine Emerging Cross-Sectional Technologies 32 Expired
US5487659A Fuel lance for liquid and/or gaseous fuels and method for operation thereof Mechanical Engineering; Lighting; Heating 30 Expired
US5433596A Premixing burner Mechanical Engineering; Lighting; Heating 30 Expired
US5508620A Method and device for determining ground faults on the conductors of an electrical machine Physics 29 Expired
US5564896A Method and apparatus for shaft sealing and for cooling on the exhaust-gas side of an axial-flow gas turbine Mechanical Engineering; Lighting; Heating 28 Expired
US5513982A Combustion chamber Performing Operations; Transporting 28 Expired
US5461860A Exhaust gas turbocharger and method of operation Emerging Cross-Sectional Technologies 27 Expired
US5518311A Mixing chamber with vortex generators for flowing gases Mechanical Engineering; Lighting; Heating 27 Expired
US5410869A Method of operating a combination power plant by coal or oil gasification Emerging Cross-Sectional Technologies 25 Expired
US5436520A Structure for mounting the winding ends of a stator winding in a dynamoelectric machine Electricity 25 Expired
US5423608A Mixing apparatus with vortex generating devices Performing Operations; Transporting 25 Expired
US5522217A Pressure wave machine with integrated combustion and method for cooling the rotor of this pressure wave machine Mechanical Engineering; Lighting; Heating 24 Expired
US5557837A Method for repairing stator winding bars Emerging Cross-Sectional Technologies 24 Expired
US5557153A Air-cooled rotating electrical machine Electricity 23 Expired
US5566063A Electronic power converter circuit arrangement and method for driving same Electricity 23 Expired
US5497611A Process for the cooling of an auto-ignition combustion chamber Mechanical Engineering; Lighting; Heating 22 Expired
US5558515A Premixing burner Mechanical Engineering; Lighting; Heating 22 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.