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Ohm Limited

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Records under this name other than patents Ohm Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 7,565,245Electromagnetic Surveying
Formerly held
In force
 · High confidence
In forceHigh confidence
US 8,099,239Electromagnetic Surveying for Resistive or Conductive Bodies
Formerly held
In force
 · High confidence
In forceHigh confidence
US 8,064,287Method for Interpreting Seismic Data and Controlled Source Electromagnetic Data to Estimate Subsurface Reservoir Properties
Formerly held
In force
 · High confidence
In forceHigh confidence
US 7,912,649Geophysical Surveying
Formerly held
In force
 · High confidence
In forceHigh confidence
US 8,265,913Electromagnetic Surveying
Formerly held
In force
 · High confidence
In forceHigh confidence
US 9,383,475Geophysical Surveying
Formerly held
In force
 · High confidence
In forceHigh confidence
US 7,362,102Electromagnetic Surveying for Resistive or Conductive Bodies
Formerly held
Term ended
Term ended Jun 10, 2026 · High confidence
Term endedTerm ended Jun 10, 2026High confidence
US 7,592,814Method for Monitoring an Area Containing a Subterranean Resistive or Conductive Body, and for Obtaining a Volume of Hydrocarbon Therefrom
Formerly held
Term ended
Term ended Feb 14, 2026 · High confidence
Term endedTerm ended Feb 14, 2026High confidence
US 7,191,063Electromagnetic Surveying for Hydrocarbon Reservoirs
Formerly held
Term ended
Term ended Apr 15, 2025 · High confidence
Term endedTerm ended Apr 15, 2025High confidence
US 7,356,412Electromagnetic Surveying for Hydrocarbon Reservoirs
Formerly held
Term ended
Term ended Feb 15, 2025 · High confidence
Term endedTerm ended Feb 15, 2025High confidence
10 of 22 patents shown.
Pro members see all 22.
Pro members: see all 22 patents
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