ParaMagnetic Logging, Inc.
Woodinville, WA, US· latest recorded location
ParaMagnetic Logging, Inc. is named on 17 US grants and 0 published applications in this corpus. Its most frequent classification is G01V (Geophysics).
- Granted patents
- 17
- Published applications
- 0
- Inventors
- 3
- Granted in 2026 so far
- 0
- Most recent grant
- 29 Feb 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
By publication year.
Technology areas
Share of 17 documents
Recent patents
- Electrical voltages and resistances measured to inspect metallic cased wells and pipelines29 Feb 2000US 6,031,381 A
- Determining resistivity of a formation adjacent to a borehole having casing by generating constant current flow in portion of casing and using at least two voltage measurement electrodes15 Feb 2000US 6,025,721 A
- Methods and apparatus to produce stick-slip motion of logging tool attached to a wireline drawn upward by a continuously rotating wireline drum10 Feb 1998US 5,717,334 A
- Formation resistivity measurements from within a cased well used to quantitatively determine the amount of oil and gas present27 May 1997US 5,633,590 A
- Determining resistivity of a formation adjacent to a borehole having casing using multiple electrodes and with resistances being defined between the electrodes29 Oct 1996US 5,570,024 A
No published applications.
Most cited
By later US patents
- Methods and apparatus to produce stick-slip motion of logging tool attached to a wireline drawn upward by a continuously rotating wireline drum63US 5,717,334 A1998
- Methods and apparatus for measurement of electronic properties of geological formations through borehole casing58US 4,882,542 A1989
- Methods and apparatus for measurement of electronic properties of geological formations through borehole casing53US 5,043,668 A1991
- Methods and apparatus for measurement of the resistivity of geological formations from within cased boreholes52US 4,820,989 A1989
- Nuclear magnetic resonance method and apparatus for remote detection and volumetric measurement of petroleum reserves51US 4,528,508 A1985