Average Co-Inventor Count = 2.80
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. Eagle-picher Industries, Inc. (3 from 117 patents)
2. Other (1 from 832,718 patents)
3. Hhp Engineering Solutions International, Inc. (1 from 2 patents)
4. Transitions Industries, Inc. (1 from 1 patent)
5. Stand-up Bed Company (1 from 1 patent)
7 patents:
1. 8662195 - Apparatus for adjusting tension and positioning of a harrowing chain
2. 7963345 - Apparatus and method for adjusting tension of a harrowing chain
3. 7802331 - Tilting furniture
4. 7774876 - Tilting bed
5. 5247743 - Method and apparatus for digging trenches
6. 5228222 - Digging and propulsion unit for a trenching apparatus
7. 5189819 - Trenching apparatus