Average Co-Inventor Count = 2.63
ph-index = 9
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. Nordco Inc. (13 from 74 patents)
2. Oak Industries, Inc. (3 from 90 patents)
3. Super Products LLC (1 from 17 patents)
4. Precision Rail and Mfg., Inc. (1 from 9 patents)
18 patents:
1. 11352032 - Universal retarder system for railway cars
2. 9683333 - Rail tie gripping mechanism having gripper fingers with teeth
3. D754030 - Tie gripper finger
4. 8322686 - Apparatus for applying and removing rail clips onto rail ties
5. D628607 - Plate for rail clip applicator
6. 7694630 - Railway maintenance vehicle with balanced bulk storage
7. 6863717 - Plate handling system and a method of removing plates from rail ties
8. 6755135 - Combined tie extractor and plate remover for rail maintenance
9. 6622633 - Railroad machine centering system
10. 6463858 - Rail tie replacement method and apparatus
11. 6435098 - Suspension system for a railway repair machine
12. 6095053 - Bulk spike loading system
13. 5730060 - Apparatus and method for removing rail anchors
14. 5671679 - Fully automatic, multiple operation rail maintenance apparatus
15. 5577447 - Automatiac railway fastener remover