Average Co-Inventor Count = 3.00
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. Firma Carl Still (2 from 33 patents)
2. Hartung, Kuhn & Co Maschinenfabrik Gmbh (2 from 27 patents)
3. Firma Hartung, Kuhn & Co. Gmbh (2 from 1 patent)
3 patents:
1. 4028192 - Apparatus for receiving incandescent coke from respective coke ovens in
2. 3981778 - Coke oven hood apparatus
3. 3970526 - Closed tank coke car construction