ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
🏢 View company profile →824Patents
730Active
824Granted
62Portfolio score
Filing activity: Aug 14, 1998 → Jul 24, 2024 · 109 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7543500B2 | Method and apparatus for non-destructive testing of components of gas turbine engines made of monocrystalline materials | Physics | 43 | Active |
| US7926278B2 | Gas-turbine combustion chamber wall for a lean-burning gas-turbine combustion chamber | Mechanical Engineering; Lighting; Heating | 36 | Active |
| US6494046B1 | Method and apparatus for recognition of a shaft rupture in a turbo-engine | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US6440575B1 | Ceramic thermal barrier layer for gas turbine engine component | Chemistry; Metallurgy | 34 | Expired |
| US7059133B2 | Dilution air hole in a gas turbine combustion chamber with combustion chamber tiles | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US8382438B2 | Blade of a turbomachine with enlarged peripheral profile depth | Emerging Cross-Sectional Technologies | 34 | Active |
| US6126390A | Passive clearance control system for a gas turbine | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US7159402B2 | Vortex reducer in the high-pressure compressor of a gas turbine | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US7449658B2 | Method for the restoration of damaged areal components | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6901757B2 | Heat shield arrangement with sealing element | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US7967556B2 | Turbomachine with means for the creation of a peripheral jet on the stator | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6858056B2 | Oil separator | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US8276392B2 | Turboprop engine with an apparatus for the generation of a cooling airflow | Emerging Cross-Sectional Technologies | 28 | Active |
| US6679063B2 | Combustion chamber head for a gas turbine | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US8043046B2 | Fluid flow machine with blade row-internal fluid return arrangement | Mechanical Engineering; Lighting; Heating | 28 | Active |
| US7077623B2 | Fluid flow machine with integrated fluid circulation system | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6524065B2 | Intermediate-stage seal arrangement | Emerging Cross-Sectional Technologies | 27 | Expired |
| US9828911B2 | Turbofan jet engine with low pressure shaft passing outside of core engine | Mechanical Engineering; Lighting; Heating | 27 | Active |
| US6516618B1 | Gas-turbine engine with a bearing chamber | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6251494A | Honeycomb structure seal for a gas turbine and method of making same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US8152445B2 | Fluid flow machine with fluid injector assembly | Mechanical Engineering; Lighting; Heating | 26 | Active |
| US8247733B2 | Arrangement for the repair of the blades of BLISK drums by means of laser deposition welding | Emerging Cross-Sectional Technologies | 26 | Active |
| US8100662B2 | Fan blade made of a textile composite material | Mechanical Engineering; Lighting; Heating | 25 | Active |
| US9403244B2 | Method for repairing an abradable coating of a compressor of a gas turbine | Emerging Cross-Sectional Technologies | 25 | Active |
| US8257022B2 | Fluid flow machine featuring a groove on a running gap of a blade end | Mechanical Engineering; Lighting; Heating | 25 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.