Sergio Kostek
8Patents
8h-index
15Co-inventors
58Inventor score
Filing activity: Jun 28, 1991 → Sep 13, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5852587A | Method of and apparatus for sonic logging while drilling a borehole traversing an earth formation | Physics | 57 | Expired |
| US5398215A | Identification of stress induced anisotropy in formations | Physics | 54 | Expired |
| US5796677A | Method of sonic logging while drilling a borehole traversing an earth formation | Physics | 44 | Expired |
| US5521882A | Measurement of formation characteristics using acoustic borehole tool having sources of different frequencies | Physics | 42 | Expired |
| US5475650A | Measurement of nonlinear properties of formation using sonic borehole tool while changing pressure in borehole | Physics | 41 | Expired |
| US5309404A | Receiver apparatus for use in logging while drilling | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5485431A | Measurement of nonlinear formation parameters using sonic borehole tool | Physics | 13 | Expired |
| US5646379A | Attentuator for borehole acoustic waves | Physics | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.