Average Co-Inventor Count = 2.00
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. Royal Ordnance Plc (2 from 36 patents)
2 patents:
1. 6048428 - Pipe construction
2. 5579809 - Reinforced composite pipe construction