Average Co-Inventor Count = 2.53
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. Hein-werner Corporation (3 from 51 patents)
2. Applied Power Inc. (1 from 196 patents)
4 patents:
1. 5029814 - Scissor jack stand
2. 4886242 - Pneumatic hydraulic side lifting jack
3. 4739854 - Hydraulic fluid pump assembly for use in truck cab tilt apparatus
4. 4469010 - Motion dampening seat suspension system