Average Co-Inventor Count = 1.23
ph-index = 6
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. Other (11 from 832,891 patents)
2. Engel Industries, Inc. (2 from 17 patents)
13 patents:
1. 7536889 - Rotary rolling machine
2. 7465153 - Diverter for reducing wear in a slurry pump
3. 7267512 - Power assisted drill press
4. 7114436 - Safety interlock and retraction mechanism for clinching, crimping, and punching presses
5. 7108459 - Power assisted drill press
6. 6220581 - Bicycle seat gas spring adjustment system
7. 4993688 - Built-in power jack
8. 4202547 - Movable golf green apparatus
9. 4163468 - Pivoted suspension for linear actuators of tire changing apparatus and
10. 4038128 - Insulation blanket shearing and applying machine for ductwork and the
11. 4031941 - Concentric contra-rotating bead deflector mechanism for tire mounting
12. 4024784 - Rotary slitting shear having separately powered cutters
13. 4014375 - Thrust-applying mechanism for tire changing apparatus