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. Martin Engineering Company (4 from 147 patents)
4 patents:
1. 8172076 - Dual apron seal
2. 6966751 - Turbine vibrator
3. 6321901 - Conveyor belt cleaner and tensioner
4. 5385507 - Twist tensioner with selectively engageable coupling