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Score from: | % to: % | Current assig. owns from to patents |
patent | score | priority | expiry | expired | references | current assignee | title |
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5785721 | 15 | 1997-01-31 | 2017-01-31 | 1 | 36 | Texaco Inc.; | Fuel injector nozzle with preheat sheath for reducing thermal shock damage |
6228224 | 16 | 1998-08-04 | 2018-08-04 | 1 | 19 | GE ENERGY USA , LLC; | Protective refractory shield for a gasifier |
5941459 | 19 | 1997-07-01 | 2017-07-01 | 1 | 24 | Texaco Inc; | Fuel injector nozzle with protective refractory insert |
5851497 | 27 | 1994-11-18 | 2014-11-18 | 1 | 10 | Texaco Inc.; | Gasifier throat |
6805773 | 31 | 1999-07-28 | 2019-07-28 | 1 | 18 | Texaco Inc; Texaco Development Corporation; | Method of protecting a surface in a gasifier |
6276611 | 32 | 1997-07-01 | 2017-07-01 | 1 | 13 | Texaco Inc.; | Fuel injector nozzle with protective refractory insert |
6487895 | 45 | 1996-07-17 | 2017-07-10 | 1 | 12 | Texaco Development Corporation; | Corrosion monitoring system |
6439137 | 56 | 2001-03-16 | 2021-03-16 | 1 | 5 | Air Products and Chemicals, Inc; | Self-anchoring expansion gap assembly for a gasifier |
5948971 | 58 | 1996-07-17 | 2017-07-10 | 1 | 6 | Texaco Inc; | Corrosion monitoring system |
6367315 | 96 | 1996-07-17 | 2017-07-10 | 1 | 0 | Texaco Inc.; | Corrosion monitoring system |