Average Co-Inventor Count = 1.41
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. Petroline Wellsystems Limited (3 from 6 patents)
2. Weatherford/lamb, Inc. (1 from 1,209 patents)
4 patents:
1. 6322109 - Expandable tubing connector for expandable tubing
2. 6112818 - Downhole setting tool for an expandable tubing
3. 6012523 - Downhole apparatus and method for expanding a tubing
4. 5924745 - Connector assembly for an expandable slotted pipe