Average Co-Inventor Count = 1.88
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. Mic (13 from 515 patents)
2. Schlumberger Norge As (3 from 40 patents)
3. M-1 L.l.c. (1 from 9 patents)
4. Ykk Corporation (1,441 patents)
15 patents:
1. 10228315 - Method and apparatus for measuring particle size distribution in drilling fluid
2. 9140075 - Mechanically modified filter cake
3. 9007580 - Method and apparatus for measuring particle size distribution in drilling fluid
4. 8427640 - Method and apparatus for measuring particle size distribution in drilling fluid
5. 8186432 - Well logging fluid for ultrasonic cement bond logging
6. 8156791 - Apparatus and method for testing reservoir drilling fluids for drilling unconsolidated tar sands
7. 8066870 - Separation of tar from sand
8. 8017563 - Diverting compositions, fluid loss control pills, and breakers thereof
9. 7753990 - Aerated degasser
10. 7727316 - Hydrogen sulfide treatment system
11. 7716968 - Apparatus and method for testing reservoir drilling fluids for drilling unconsolidated tar sands
12. 7704299 - Methods of hydrogen sulfide treatment
13. 7691259 - Separation of tar from sand
14. 6818594 - Method for the triggered release of polymer-degrading agents for oil field use
15. 6499546 - Buffered well fluids