Average Co-Inventor Count = 1.00
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. The Geolograph Company (3 from 6 patents)
2. Geosource, Inc. (1 from 66 patents)
3. Geolograph Pioneer, Inc. (1 from 1 patent)
5 patents:
1. 4802502 - Purge air control system
2. 4345539 - Warning system with pneumatic function generator
3. 4302962 - Inclinometer test assembly
4. 4300352 - Hydraulic pressure integrator
5. 4198760 - Double punch inclinometer