Inventor · Witten, DE

Ralf Sperlich

6Patents
0h-index
8Co-inventors
30Inventor score

Filing activity: Nov 22, 2016 → Jul 18, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US12305743B2 Assembling and dissembling device Mechanical Engineering; Lighting; Heating 0 Active
US12276255B2 Insulated pitch tube Emerging Cross-Sectional Technologies 0 Active
US10969002B2 Retainer plates for fixing planet carrier and ring gear Mechanical Engineering; Lighting; Heating 0 Active
US10746285B2 Planetary carrier for a gearset stage of a planetary gearset, and pretensioning method Emerging Cross-Sectional Technologies 0 Active
US11293542B2 Sealing surface having leak-proof passage of an oil channel Mechanical Engineering; Lighting; Heating 0 Active
US12146468B2 Rotational decoupling for assembly and disassembly of a gearbox-integrated mounted generator rotor Emerging Cross-Sectional Technologies 0 Active

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