Average Co-Inventor Count = 1.50
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Melitta-werke Bentz & Sohn (2 from 21 patents)
2. Melitta Haushaltsprodukte Gmbh & Co. Kommanditgesellschaft (1 from 3 patents)
3 patents:
1. 5239914 - Machine for preparing brewed beverages
2. 5070773 - Coffee or tea maker
3. 5027425 - Flow-through heater, particularly for a coffee or tea maker