Average Co-Inventor Count = 1.80
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. Contour Hardening, Inc. (17 from 20 patents)
2. Contour Hardening Investors, LP (2 from 2 patents)
3. Other (1 from 832,912 patents)
4. Contour Hardenting, Inc. (1 from 1 patent)
21 patents:
1. 8424501 - Induction driven ignition system
2. 8181618 - Induction driven ignition system
3. 7915748 - AC electrical generation system
4. 7647907 - Induction driven ignition system
5. 7533643 - Induction driven ignition system
6. 7057303 - Vehicle mounted electrical generator system
7. 6979913 - Vehicle mounted electrical generator system
8. 6362462 - Induction hardening coil for a crankshaft
9. 6160247 - Induction hardening apparatus for a crankshaft
10. 6153865 - Induction hardening apparatus for a crankshaft
11. 6111236 - Induction hardening apparatus for a crankshaft
12. 6018155 - Induction hardening apparatus for a crankshaft
13. 6013904 - Induction hardening apparatus for a crankshaft
14. 5919239 - Position and time-at-position logging system
15. 5360963 - Apparatus for and method of induction-hardening machine components