Average Co-Inventor Count = 2.43
ph-index = 7
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 (14 from 51 patents)
14 patents:
1. 5931043 - Multi-modular vehicle repair system
2. 5634778 - Remote control pump
3. 5493925 - Upper body coupler mounting assembly
4. 5338015 - Lifting device including a multiple-axis motion module
5. 5269501 - Vehicle and vehicle parts transportation system
6. 5246085 - Portable work station
7. 5156375 - Load carrying adaptor for a transmission jack
8. 5029814 - Scissor jack stand
9. 5014442 - Universal measuring system
10. 4950392 - Filtration tank for filtering waste water used in washing mechanical
11. 4886242 - Pneumatic hydraulic side lifting jack
12. 4739854 - Hydraulic fluid pump assembly for use in truck cab tilt apparatus
13. 4715573 - Convertible tool tray and support stand for mechanics tool
14. 4715789 - High speed hydraulic fluid venting valve in a hydraulic fluid pump