Average Co-Inventor Count = 2.53
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. Orbital Engine Company Proprietary Limited (3 from 35 patents)
2. Orbital Engine Company (australia) Proprietary Limited (1 from 1 patent)
4 patents:
1. RE37230 - Two stroke cycle internal combustion engines
2. 4938178 - Two stroke cycle internal combustion engines
3. 4934329 - Fuel injection system for a multi-cylinder engine
4. 4924820 - Exhaust gas treatment for a two stroke engine