OHM Limited
Aberdeen, GB· latest recorded location
OHM Limited is named on 14 US grants and 18 published applications in this corpus. Its most frequent classification is G01V (Geophysics).
- Granted patents
- 14
- Published applications
- 18
- Inventors
- 15
- Granted in 2026 so far
- 0
- Most recent grant
- 12 Apr 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 2 | 4 |
| 2008 | 2 | 3 |
| 2009 | 3 | 6 |
| 2010 | 5 | 1 |
| 2011 | 2 | 0 |
By publication year.
Technology areas
Share of 32 documents
Recent patents
- Electromagnetic surveying for hydrocarbon reservoirs12 Apr 2011US 7,924,014 B2
- Geophysical surveying22 Mar 2011US 7,912,649 B2
- Electromagnetic detector for marine surveying6 Apr 2010US 7,692,429 B2
- Electromagnetic surveying23 Mar 2010US 7,683,625 B2
- Electromagnetic surveying for hydrocarbon reservoirs16 Mar 2010US 7,679,367 B2
- Underwater equipment recovery23 Sep 2010US 2010/0239406 A1
- Geophysical surveying10 Dec 2009US 2009/0306895 A1
- Geophysical surveying10 Dec 2009US 2009/0306899 A1
- Electromagnetic Surveying26 Mar 2009US 2009/0082970 A1
- Electromagnetic surveying for hydrocarbon reservoirs12 Feb 2009US 2009/0039888 A1
Most cited
By later US patents
- Electromagnetic surveying for hydrocarbon reservoirs42US 7,191,063 B22007
- Electromagnetic surveying for resistive or conductive bodies23US 7,362,102 B22008
- Electromagnetic surveying21US 7,683,625 B22010
- Electromagnetic surveying for hydrocarbon reservoirs16US 7,356,412 B22008
- Electromagnetic surveying16US 7,565,245 B22009