Average Co-Inventor Count = 2.63
ph-index = 3
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. Beru Ruprecht Gmbh & Co., Kg (3 from 19 patents)
2. Beru Ag (2 from 70 patents)
3. Federal-Mogul Ignition Gmbh (77 patents)
5 patents:
1. 8082090 - Method and device for operation of the glow plugs of a Diesel engine
2. 7431004 - Method and device for operation of the glow plugs of a diesel engine
3. 5599180 - Circuit arrangement for flame detection
4. 5402757 - Flame glow unit
5. 5377440 - Flame starting unit for a combustion device