Average Co-Inventor Count = 2.90
ph-index = 3
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. Morrison Bros. Company (4 from 5 patents)
2. Delaware Capital Formation, Inc. (2 from 654 patents)
6 patents:
1. 7143628 - Multiple movable carriages with multi-radius tracks and tilted rollers
2. 6925848 - Multiple movable carriages with multi-radius tracks and tilted rollers
3. 6705163 - Liquid level gauge and spool lock therefor
4. D428999 - Manhole cover
5. D428658 - Manhole cover
6. 6067856 - Liquid level gauge and improved float construction therefor