Nexen Group, Inc.
39Patents
21Active
39Granted
47Portfolio score
Filing activity: Oct 27, 1998 → Nov 16, 2023 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6821060B2 | Jet pump system for forming an aqueous oil sand slurry | Performing Operations; Transporting | 44 | Expired |
| US6746599B2 | Staged settling process for removing water and solids from oils and extraction froth | Chemistry; Metallurgy | 29 | Expired |
| US7527096B2 | Methods of improving heavy oil production | Fixed Constructions | 26 | Expired |
| US6391190B1 | Mechanical deaeration of bituminous froth | Chemistry; Metallurgy | 26 | Expired |
| US6135029A | Linear motion brake | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6273221A | Servo-motor brake | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US7025874B2 | Nozzle/mixer assembly | Performing Operations; Transporting | 17 | Expired |
| US7717175B2 | Methods of improving heavy oil production | Fixed Constructions | 12 | Active |
| USD789283S1 | Tire for automobile | General | 9 | Active |
| USD823956S1 | Golf ball | General | 9 | Active |
| US7124861B2 | Motion control apparatus | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7281613B2 | Interface disc for a torque and/or rotational control apparatus | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7431830B2 | Compact slurry preparation system for oil sand | Chemistry; Metallurgy | 6 | Expired |
| US6755289B2 | Rotational control apparatus | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6460678B1 | Linear motion brake | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6629131B1 | Registration mail system with a sent e-mail check function on internet and method for the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| USD1006157S1 | Golf ball | General | 4 | Active |
| US7131518B2 | Motion control apparatus with backlash reduction | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US9279477B2 | Motion control device | Emerging Cross-Sectional Technologies | 4 | Active |
| USD923726S1 | Golf ball | General | 3 | Active |
| US8443526B2 | Robot compliance device | Emerging Cross-Sectional Technologies | 3 | Active |
| USD975218S1 | Golf ball | General | 3 | Active |
| US7984866B2 | Relocatable oil sand slurry preparation system | Emerging Cross-Sectional Technologies | 3 | Active |
| US8388831B2 | Compact slurry preparation system for oil sand | Chemistry; Metallurgy | 3 | Active |
| US10975951B2 | Sealed rotary table | Mechanical Engineering; Lighting; Heating | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.