Average Co-Inventor Count = 2.40
ph-index = 1
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. Tulsa Winch, Inc. (3 from 10 patents)
2. Delaware Capital Formation, Inc. (1 from 654 patents)
3. Bpg-arrowhead Winch Inc. (1 from 3 patents)
5 patents:
1. 12411050 - Radial load measuring apparatus
2. 12037225 - Work area monitoring system for lifting machines
3. 11254547 - Work area monitoring system for lifting machines
4. 11014794 - Personal lift device
5. 10435950 - Rotary table drive