Average Co-Inventor Count = 2.44
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. Weatherford Technology Holdings, LLC (9 from 894 patents)
2. Weatherford/lamb, Inc. (4 from 1,209 patents)
3. Mccoy Bros. Inc. (3 from 3 patents)
4. Mccoy Corporation (2 from 11 patents)
18 patents:
1. 12429046 - Long-stroke pumping unit
2. 12116992 - Long-stroke pumping unit
3. 11781543 - Long-stroke pumping unit
4. 11280140 - Gripper assembly for continuous rod
5. 10844852 - Long-stroke pumping unit
6. 10392875 - Gripper assembly for continuous rod and methods of use thereof
7. 10113544 - Long-stroke pumping unit
8. 9873366 - Continuous rod transport system
9. 9637038 - Continuous rod transport system
10. 8869580 - Continuous rod transport system
11. 8864428 - Continuous rod transport system
12. 8636057 - Shear coupling assembly for use with rotary and reciprocating pumps
13. 8393251 - Jaw assembly for gripping pipes
14. 8006752 - Guide tube for continuous rod
15. 7762160 - Power tong cage plate lock system