Average Co-Inventor Count = 3.91
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. Siemens Aktiengesellschaft (3 from 30,066 patents)
2. Siemens Energy Global Gmbh & Co. Kg (648 patents)
3 patents:
1. 6851927 - Fluid-flow machine with high-pressure and low-pressure regions
2. 6345952 - Steam turbine
3. 6305901 - Steam turbine