Inventor · Mülheim an der Ruhr, DE

Ralf Bell

7Patents
4h-index
40Co-inventors
57Inventor score

Filing activity: Jul 29, 1998 → Apr 20, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6213711A Steam turbine and blade or vane for a steam turbine Emerging Cross-Sectional Technologies 33 Expired
US6345952B1 Steam turbine Mechanical Engineering; Lighting; Heating 13 Expired
US6305901A Steam turbine Mechanical Engineering; Lighting; Heating 11 Expired
US5997249A Turbine, in particular steam turbine, and turbine blade Emerging Cross-Sectional Technologies 5 Expired
US10302527B2 Method for carrying out a sound test of atleast one component and endoscope device used for the same Physics 0 Active
US10125626B2 Seal arrangement Mechanical Engineering; Lighting; Heating 0 Active
US11286777B2 Repaired ring and method for repairing a ring which is used for sealing purposes Emerging Cross-Sectional Technologies 0 Active

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