Average Co-Inventor Count = 2.31
ph-index = 5
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. Fritz Industries, Inc. (5 from 20 patents)
5 patents:
1. 6136935 - Method for control of fluid loss and gas migration in well cementing
2. 6107256 - Method of and additive for controlling fluid loss from a drilling fluid
3. 6089318 - Method for control of fluid loss and gas migration in well cementing
4. 6085840 - Method for control of liquid loss and gas migration in well cementing
5. 5988279 - Method for control of fluid loss and gas migration in well cementing