Average Co-Inventor Count = 3.46
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. Columbia Insurance Company (6 from 1,006 patents)
6 patents:
1. 12139833 - Patterned tufted articles, surface coverings comprising same, and systems and methods of making and using same
2. 12006606 - Patterned tufted articles, surface coverings comprising same, and systems and methods of making same
3. 8256364 - Methods and devices for controlling the tension of yarn in a tufting machine
4. 8172170 - Modular creel
5. 7162964 - Tufting needle assembly
6. 6886477 - Tufting needle assembly