Allison Engine Company, Inc.
41Patents
0Active
41Granted
40Portfolio score
Filing activity: Feb 25, 1994 → Dec 1, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6094916A | Dry low oxides of nitrogen lean premix module for industrial gas turbine engines | Emerging Cross-Sectional Technologies | 111 | Expired |
| US5769317A | Aircraft thrust vectoring system | Mechanical Engineering; Lighting; Heating | 94 | Expired |
| US5545003A | Single-cast, high-temperature thin wall gas turbine component | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5977677A | Combination bearing for gas turbine engine | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5593165A | Circumferential flow channel for carbon seal runner cooling | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5622045A | System for detecting and accommodating gas turbine engine fan damage | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US6183388A | Epicyclic face gear reduction gearbox particularly for a gas turbine engine | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6105901A | Thrust vectoring system | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5749700A | High speed, high temperature hybrid magnetic thrust bearing | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5810552A | Single-cast, high-temperature, thin wall structures having a high thermal conductivity member connecting the walls and methods of making the same | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5813830A | Carbon seal contaminant barrier system | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US5794449A | Dry low emission combustor for gas turbine engines | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5916518A | Cobalt-base composition | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5641014A | Method and apparatus for producing cast structures | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5976337A | Method for electrophoretic deposition of brazing material | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5961067A | Method for reducing turboprop noise | Performing Operations; Transporting | 28 | Expired |
| US5916125A | Forced purge wave rotor | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6244327A | Method of making single-cast, high-temperature thin wall structures having a high thermal conductivity member connecting the walls | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6190133A | High stiffness airoil and method of manufacture | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5658125A | Magnetic bearings as actuation for active compressor stability control | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5813232A | Dry low emission combustor for gas turbine engines | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6255000A | Single-cast, high-temperature, thin wall structures | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5660526A | Gas turbine rotor with remote support rings | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5924483A | Single-cast, high-temperature thin wall structures having a high conductivity member connecting the walls and methods of making the same | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5688108A | High temperature rotor blade attachment | Emerging Cross-Sectional Technologies | 19 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.