Inventor · Dransfeld, DE

Eggert Appel

14Patents
9h-index
12Co-inventors
69Inventor score

Filing activity: Sep 29, 1975 → Aug 20, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US3999443A Electromagnetic flowmeter with shielded electrodes Physics 30 Expired
US4953408A Capacitive type electromagnetic flowmeter Physics 18 Expired
US4236410A Temperature-compensated electromagnetic flowmeter Physics 17 Expired
US4186600A Magnet system for electromagnetic flowmeter Physics 13 Expired
US4329879A Insulating liner for electromagnetic flowmeter tube Physics 13 Expired
US4658652A Electromagnetic flowmeter with capacitance type electrodes Physics 12 Expired
US4281552A Electromagnetic flowmeter Physics 12 Expired
US4308752A Magnetic flowmeter Physics 9 Expired
US4539853A Magnetic flowmeter Physics 9 Expired
US4290313A Electromagnetic flowmeter system Physics 7 Expired
US4019386A Unitized electrode assembly for electromagnetic flowmeter Physics 3 Expired
US11247210B2 Tempering block module and apparatus for the thermal treatment of samples Performing Operations; Transporting 0 Active
US11247211B2 Apparatus for the thermal treatment of samples Performing Operations; Transporting 0 Active
US12397299B2 Temperature control device Performing Operations; Transporting 0 Active

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