Average Co-Inventor Count = 2.67
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. Other (1 from 832,891 patents)
2. Avl Gesellschaft Fur Verbrennungskraftmaschinen Und Messtechnik M.b.h. (1 from 107 patents)
2 patents:
1. 6250875 - Heater
2. 4694786 - One-cylinder, two-stroke internal combustion engine with crankcase