Inventor

John E. Smaardyk

Inventor
Houston, TX, US

Overview

13→
Patents
1995–2019
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Vprimary
G01VGeophysics41%
E21BEarth or rock drilling15%
G01NInvestigating or analysing materials by determining their chemical or physical properties15%
C01BNon-metallic elements4%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium4%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals4%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals4%
G01FMeasuring volume, volume flow, mass flow or liquid level4%
G01RMeasuring electric variables4%
G01TMeasurement of nuclear or x-radiation4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (2)· patent assignee history
1995–2016Based in Houston, TX, US· patent location history
2001–2003Patents assigned to NUMAR CORP (3)· patent assignee history
2011–2018Based in Kingwood, TX, US· patent location history
2014–2016Patents assigned to GE OIL & GAS LOGGING SERVICES INC (3)· patent assignee history
2014–2016Patents assigned to HERTZOG RUSSEL (2)· patent assignee history
2018–2019Patents assigned to GEN ELECTRIC (2)· patent assignee history
2019Based in Niskayuna, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GE OIL & GAS LOGGING SERVICES INC32014–2016
NUMAR CORP32001–2003
GEN ELECTRIC22018–2019
HERTZOG RUSSEL22014–2016
SCHLUMBERGER TECHNOLOGY CORP21995
Locations
LocationPatentsSpan
Houston, Texas, US91995–2016
Kingwood, Texas, US32011–2018
Niskayuna, New York, US12019