Electromagnetic Instruments, Inc.
3Patents
0Active
3Granted
28Portfolio score
Filing activity: Mar 20, 1991 → Dec 15, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6294917A | Electromagnetic induction method and apparatus for the measurement of the electrical resistivity of geologic formations surrounding boreholes cased with a conductive liner | Physics | 84 | Expired |
| US5130655A | Multiple-coil magnetic field sensor with series-connected main coils and parallel-connected feedback coils | Physics | 16 | Expired |
| US6577284B1 | Component field antenna for induction borehole logging | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.