Average Co-Inventor Count = 2.18
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. Sundwiger Eisenhutte Maschinenfabrik Grah & Co. (3 from 12 patents)
2. Aluminium Norf Gmbh (1 from 4 patents)
3. Sundwiger Eisenhutte Machinenfabrik Grah & Company (1 from 1 patent)
4 patents:
1. 4866967 - Apparatus for the stretch levelling and slitting of metal strip
2. 4770227 - Apparatus for the production of cast metal strip of amorphous and/or
3. 4124415 - Process for heating metal strips, in particular non-ferrous metal strips
4. 4022367 - Device for conveying metal sheets for affixation to a windup drum for