Inventor · Krefeld, DE

Friedhelm Herzog

6Patents
1h-index
6Co-inventors
44Inventor score

Filing activity: Oct 15, 1992 → Feb 13, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5307638A Process to recover solvents from waste gases Performing Operations; Transporting 3 Expired
US5896881A Process and device to regulate the inner pressure of a tank and/or to establish defined flow conditions for gas currents in the head space of tanks Emerging Cross-Sectional Technologies 1 Expired
US10422554B2 Device for cooling a consumer with a super-cooled liquid in a cooling circuit Mechanical Engineering; Lighting; Heating 1 Active
US12240759B2 Method and device for separating a gas mixture containing diborane and hydrogen Performing Operations; Transporting 0 Active
US10563644B2 Device for improving the vacuum in the housing of a machine Mechanical Engineering; Lighting; Heating 0 Active
US11362503B2 Method and device for cooling a superconducting current carrier Emerging Cross-Sectional Technologies 0 Active

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