Average Co-Inventor Count = 3.66
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. Daimler Chrysler Ag (1 from 2,614 patents)
2. Beru Ag (1 from 70 patents)
3. Borgwarner Beru Systems Gmbh (1 from 60 patents)
4. Beru Ruprecht Gmbh & Co., Kg (1 from 19 patents)
5. Beru Ruprecht Gmbh & Co. (1 from 2 patents)
6. Daimlerchrysler Ag and Beru Ag (1 from 1 patent)
7. Federal-mogul Ignition Gmbh (69 patents)
5 patents:
1. 8863730 - HF Ignition Device
2. 6121577 - Electrically heatable glow plug with oxygen getter material
3. 6043459 - Electrically heatable glow plug with oxygen getter material
4. 5645742 - Glow plug with zirconium dioxide coating and nicraly adhesive layer
5. 5626781 - Glow plug with protective coating