Average Co-Inventor Count = 2.14
ph-index = 5
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. Cairns & Brother Inc. (5 from 25 patents)
5 patents:
1. 6032297 - Head-protective helmet and assemblies thereof
2. 5996126 - Crown pad and head-protective helmet
3. 5937439 - Combination head and eye-protective apparatus and goggles
4. 5898949 - Head-protective helmet mounting member for mounting helmet components
5. 5845341 - Combination head and eye-protective apparatus and goggles