Average Co-Inventor Count = 2.50
ph-index = 4
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 Freudenberg (4 from 629 patents)
2. Other (1 from 832,880 patents)
5 patents:
1. 5213066 - Evaporation cooled internal combustion engine
2. 5201840 - Temperature transducer
3. 5188337 - Control valve with pressure equalization
4. 5176112 - Evaporation-cooled internal combustion engine
5. 5172657 - Evaporation cooled internal combustion engine