Inventor
Thomas J. Plona
Inventor
New Milford, CT, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics50%
G01NInvestigating or analysing materials by determining their chemical or physical properties28%
E21BEarth or rock drilling6%
G01FMeasuring volume, volume flow, mass flow or liquid level6%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
7,643,374'Slowness-frequency projection display and animation'20106,904,365'Methods and systems for determining formation properties and in-situ stresses'20056,614,716'Sonic well logging for characterizing earth formations'20036,510,389'Acoustic detection of stress-induced mechanical damage in a borehole wall'20035,852,587'Method of and apparatus for sonic logging while drilling a borehole traversing an earth formation'19985,796,677'Method of sonic logging while drilling a borehole traversing an earth formation'19985,521,882'Measurement of formation characteristics using acoustic borehole tool having sources of different frequencies'19965,412,990'Method for measuring cement thickening times'19955,309,404'Receiver apparatus for use in logging while drilling'19944,628,725'Apparatus and method for analyzing a fluid that includes a liquid phase, contained in a tubular conduit'19864,283,953'Method and apparatus for determining a granularity property of a subsurface formation around a borehole'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–2010Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (11)· patent assignee history
1981Based in Brookfield, CT, US· patent location history
1986–2010Based in New Milford, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 11 | 1981–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| New Milford, CT, US | 10 | 1986–2010 |
| Brookfield, CT, US | 1 | 1981 |