Average Co-Inventor Count = 3.23
ph-index = 4
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. Holland LP (4 from 47 patents)
2. Other (2 from 832,718 patents)
3. Holland Company LP (1 from 46 patents)
7 patents:
1. 9303364 - Rail cant measurement tool and method
2. 8844149 - Rail cant measurement tool and method
3. 7451632 - Gauge restraint load calibration system
4. 7337682 - Gauge restraint measuring system
5. 7311010 - Gauge restraint measurement system
6. 7270018 - Gauge restraint measuring system
7. 7007561 - Gauge restraint measurement system