Inventor · Essen, DE

Torsten Gratzki

10Patents
4h-index
13Co-inventors
53Inventor score

Filing activity: Mar 16, 2005 → Nov 8, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
USD630489S1 Electronic lock General 36 Expired
USD830372S1 Display screen with a graphical user interface for a herd management system General 35 Active
USD878397S1 Display screen with a graphical user interface for a herd management system General 21 Active
USD797838S1 Camera General 5 Active
US8561251B2 Mop-head plate comprising mop cover Human Necessities 1 Active
US7954197B2 Mop-head plate comprising mop cover Human Necessities 1 Active
US9826879B2 Wiping device Human Necessities 1 Active
US9643634B2 Cleaning cart Performing Operations; Transporting 0 Active
US11583160B2 Cleaning cart and frame therefor Physics 0 Active
US7917989B2 Mop system, wringer device and mop Human Necessities 0 Active

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