Average Co-Inventor Count = 4.14
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. Columbus Mckinnon Corporation (4 from 79 patents)
2. American Handling Systems, Inc. (1 from 1 patent)
5 patents:
1. 10265878 - Material handling system and method of use
2. 5556077 - Air lifting and balancing unit
3. 5520368 - Air lifting and balancing unit with constant force pneumatic circuit
4. 5517821 - Pneumatic control circuit for applying constant force
5. 5439200 - Air lifting and balancing unit