Average Co-Inventor Count = 1.83
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. Caterpillar Motoren Gmbh & Co. Kg (4 from 45 patents)
2. Caterpillar Inc. (1 from 9,483 patents)
3. Hx Holding Gmbh (1 from 1 patent)
4. Gea Heat Exchangers Gmbh (0 patent)
5 patents:
1. 9188037 - Exhaust gas cooler
2. 8978359 - Two-stage turbocharged engine
3. 8919121 - Turbocharged engine with exhaust gas recycling
4. 8430072 - Device and method for controlling valves
5. 7428893 - Electronic flow control valve