Average Co-Inventor Count = 1.22
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. Sunnen Products Company (11 from 61 patents)
2. The Emko Company (1 from 3 patents)
3. Rutter, Harold T. (0 patent)
4. Ondrus, Joseph F., Jr. (0 patent)
12 patents:
1. 5255476 - Honing mandrel construction
2. 4866855 - Gaging head for use on dial bore gages
3. 4809440 - In dial bore gages
4. 4796363 - Means for supporting a gaging device such as a dial bore gage during the
5. 4281482 - Spindle nose for machine tools
6. 4269000 - Fixture for aligning and locating the axis of rotation of a rotatable
7. 4249348 - Adapter for honing mandrels
8. 4244195 - Connection means
9. 4197680 - Precision honing mandrel
10. 4062122 - Fixture for setting the stationary gaging contact on a dial bore gage
11. 4045877 - Retractable dial bore gauge
12. 3955571 - Rechargeable applicator for dispensing substances