Average Co-Inventor Count = 1.33
ph-index = 2
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. Georg Spiess Gmbh (1 from 19 patents)
2. Georg Speiss Gmbh (1 from 1 patent)
2 patents:
1. 5352086 - Apparatus for lifting sheets from a stack
2. 5275394 - Device for forming a train of underlapping articles