Patent assignee · CH · COMPANY

ABB Turbo Systems AG

40Patents
24Active
40Granted
46Portfolio score

Filing activity: Jun 19, 2000 → Jun 22, 2017 · 12 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8162604B2 Diffusor Mechanical Engineering; Lighting; Heating 32 Active
US7008182B2 Exhaust-gas-turbine casing Mechanical Engineering; Lighting; Heating 25 Expired
US7845900B2 Diffuser for centrifugal compressor Mechanical Engineering; Lighting; Heating 25 Active
US7384236B2 Exhaust-gas-turbine casing Mechanical Engineering; Lighting; Heating 22 Expired
US7946809B2 Exhaust-gas-turbine casing Mechanical Engineering; Lighting; Heating 21 Active
US8398363B2 Device for sealing a bearing housing of an exhaust gas turbocharger Mechanical Engineering; Lighting; Heating 20 Active
US7344362B2 Turbocharger Mechanical Engineering; Lighting; Heating 20 Expired
US6565324B1 Turbine blade with bracket in tip region Emerging Cross-Sectional Technologies 18 Expired
US8517679B2 Compressor-side shaft seal of an exhaust-gas turbocharger Mechanical Engineering; Lighting; Heating 17 Active
US6918723B2 Shaft/hub connection Mechanical Engineering; Lighting; Heating 16 Expired
US7771170B2 Turbine wheel Mechanical Engineering; Lighting; Heating 16 Active
US6705428B2 Exhaust gas system with helmholtz resonator Mechanical Engineering; Lighting; Heating 12 Expired
US8021105B2 Hydrodynamic axial bearing Mechanical Engineering; Lighting; Heating 10 Active
US7374402B2 Fastening arrangement for an impeller on a shaft Mechanical Engineering; Lighting; Heating 9 Expired
US6824355B2 Distributor for an exhaust gas turbine with an axial flow Mechanical Engineering; Lighting; Heating 8 Expired
US7229061B2 Device for fastening a turbocharger Mechanical Engineering; Lighting; Heating 8 Expired
US8021106B2 Adjustable guide device Mechanical Engineering; Lighting; Heating 8 Active
US9169738B2 Shaft seal Mechanical Engineering; Lighting; Heating 6 Active
US6571770B1 Method for operating a diesel engine Emerging Cross-Sectional Technologies 6 Expired
US6318086A Turbocharger Emerging Cross-Sectional Technologies 5 Expired
US7997857B2 Particle vibration damper Emerging Cross-Sectional Technologies 5 Active
US7648331B2 Spiral air induction Emerging Cross-Sectional Technologies 4 Active
US7850421B2 Stator arrangement for turbine Mechanical Engineering; Lighting; Heating 4 Active
US7771161B2 Adjustable guide device Mechanical Engineering; Lighting; Heating 3 Active
US6739832B2 Exhaust turbocharger Emerging Cross-Sectional Technologies 3 Expired

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