Inventor
Jeffrey S. Schweitzer
Inventor
Ridgefield, CT, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics35%
C30BSingle-crystal growth12%
E21BEarth or rock drilling12%
G01TMeasurement of nuclear or x-radiation12%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
G01BMeasuring length, thickness or similar linear dimensions6%
G01FMeasuring volume, volume flow, mass flow or liquid level6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
H05HPlasma technique6%
PatentTitleYear
5,961,714'Method of growing lutetium aluminum perovskite crystals and apparatus including lutetium aluminum perovskite crystal scintillators'19995,896,429'Method for measurement of blast furnace liner thickness'19995,660,627'Method of growing lutetium oxyorthosilicate crystals'19975,543,617'Method of measuring flow velocities using tracer techniques'19965,264,154'Single crystal scintillator'19935,122,662'Circular induction accelerator for borehole logging'19924,914,944'Situ determination of hydrocarbon characteristics including oil api gravity'19904,883,956'Methods and apparatus for gamma-ray spectroscopy and like measurements'19894,810,876'Logging apparatus and method for determining absolute elemental concentrations of subsurface formations'19894,404,467'Salinity and lithology determination from the sodium and chlorine activation lines'19834,208,580'Lithology determination from the calcium and magnesium activation lines'19804,085,798'Method for investigating the front profile during flooding of formations'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1999Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (10)· patent assignee history
1978–1999Based in Ridgefield, CT, US· patent location history
1993Patents assigned to HITACHI CHEMICAL CO LTD (1)· patent assignee history
1999Patents assigned to MASSACHUSETTS INST TECHNOLOGY (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 10 | 1978–1999 |
| HITACHI CHEMICAL CO LTD | 1 | 1993 |
| MASSACHUSETTS INST TECHNOLOGY | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ridgefield, CT, US | 12 | 1978–1999 |