Inventor · Knetzgau, DE

Ingrid Hoffelner

13Patents
3h-index
40Co-inventors
56Inventor score

Filing activity: Sep 10, 2001 → May 29, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6702082B2 Leaf spring arrangement, especially for attaching the pressure plate of a pressure plate assembly to a housing Emerging Cross-Sectional Technologies 8 Expired
US9316299B2 Hydrodynamic coupling device, in particular a torque converter Mechanical Engineering; Lighting; Heating 6 Active
US8939860B2 Hydrodynamic coupling device, in particular a torque converter Mechanical Engineering; Lighting; Heating 4 Active
US6905010B2 Friction clutch assembly Mechanical Engineering; Lighting; Heating 2 Expired
US6892870B2 Friction clutch Mechanical Engineering; Lighting; Heating 2 Expired
US9765839B2 Torsional vibration damping arrangement, in particular for the powertrain of a vehicle Mechanical Engineering; Lighting; Heating 2 Active
US9151373B2 Hydrodynamic clutch device Mechanical Engineering; Lighting; Heating 1 Active
US9303744B2 Torsional vibration damping arrangement Mechanical Engineering; Lighting; Heating 1 Active
US6578687B2 Pressure plate assembly for a friction clutch Mechanical Engineering; Lighting; Heating 1 Expired
US10704621B2 Method for transmitting and damping torques Mechanical Engineering; Lighting; Heating 0 Active
US10704619B2 Method for transmitting and damping torques Mechanical Engineering; Lighting; Heating 0 Active
US10704620B2 Method for transmitting and dampening torques Mechanical Engineering; Lighting; Heating 0 Active
US7021448B2 Clutch disk for a friction clutch Mechanical Engineering; Lighting; Heating 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.