Inventor · Saint Paul, MN, US

Ralf Krack

15Patents
5h-index
30Co-inventors
66Inventor score

Filing activity: May 28, 1998 → Nov 9, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7220358B2 Methods for treating membranes and separation facilities and membrane treatment composition Performing Operations; Transporting 25 Expired
US5888311A Process for cleaning factory equipment with integrated prerinse Performing Operations; Transporting 14 Expired
US6204231A Cleaning agent for food-industry facilities, its use and method of cleaning such facilities using the agent Chemistry; Metallurgy 10 Expired
US9487735B2 Label removal solution for low temperature and low alkaline conditions Chemistry; Metallurgy 5 Active
US9133426B2 Label removal solution for returnable beverage bottles Chemistry; Metallurgy 5 Active
US6287347A Method for washing clothes Textiles; Paper 4 Expired
US8970829B2 Fouling detection setup and method to detect fouling Physics 3 Active
US6998049B1 Method for preventing the formation of biological films Performing Operations; Transporting 3 Expired
US8933009B2 Surfactant blends for cleaning filtration membranes Chemistry; Metallurgy 3 Active
US9856434B2 Label removal solution for returnable beverage bottles Chemistry; Metallurgy 1 Active
US9951302B2 Label removal solution for low temperature and low alkaline conditions Chemistry; Metallurgy 1 Active
US11168285B2 Cleaning composition Chemistry; Metallurgy 1 Active
US12344817B2 Cleaning composition Chemistry; Metallurgy 0 Active
US11851633B2 Cleaning composition Chemistry; Metallurgy 0 Active
US10597615B2 Label removal solution for low temperature and low alkaline conditions Chemistry; Metallurgy 0 Active

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