Patent assignee · GB · COMPANY

Ohm, Inc.

15Patents
11Active
15Granted
44Portfolio score

Filing activity: Nov 23, 2003 → Jul 6, 2010 · 10 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7191063B2 Electromagnetic surveying for hydrocarbon reservoirs Physics 42 Expired
US7362102B2 Electromagnetic surveying for resistive or conductive bodies Emerging Cross-Sectional Technologies 23 Active
US7683625B2 Electromagnetic surveying Physics 21 Expired
US7565245B2 Electromagnetic surveying Fixed Constructions 16 Active
US7356412B2 Electromagnetic surveying for hydrocarbon reservoirs Physics 16 Active
US7307424B2 Electromagnetic surveying for hydrocarbon reservoirs Physics 15 Expired
US7542851B2 Electromagnetic surveying for hydrocarbon reservoirs Physics 15 Active
US7659721B2 Electromagnetic surveying for hydrocarbon reservoirs Emerging Cross-Sectional Technologies 15 Expired
US7912649B2 Geophysical surveying Physics 13 Active
US7692429B2 Electromagnetic detector for marine surveying Physics 7 Active
US8303139B1 Illuminator device having multiple reflective surfaces Mechanical Engineering; Lighting; Heating 6 Active
US7592814B2 Method for monitoring an area containing a subterranean resistive or conductive body, and for obtaining a volume of hydrocarbon therefrom Emerging Cross-Sectional Technologies 2 Active
US7679367B2 Electromagnetic surveying for hydrocarbon reservoirs Emerging Cross-Sectional Technologies 2 Active
US7924014B2 Electromagnetic surveying for hydrocarbon reservoirs Emerging Cross-Sectional Technologies 2 Active
US7675290B2 Electromagnetic surveying for hydrocarbon reservoirs Emerging Cross-Sectional Technologies 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.