Inventor · Reutlingen, DE

Dirk Ehrenfeld

2Patents
1h-index
2Co-inventors
27Inventor score

Filing activity: Aug 28, 2007 → Jul 27, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US8210836B2 Vane cell pump with adjustable output Mechanical Engineering; Lighting; Heating 1 Active
US9011125B2 Vane pump Mechanical Engineering; Lighting; Heating 0 Active

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