Rolls Royce PLC
Rolls RoycActive Patents
0
Total Holdings
52
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE1816068A1 | Method for controlling production or power machine systems … | Expired / Lapsed | 1968-12-20 | — | 0 | Details |
| GB715127A | Improvements in or relating to brake mechanisms | Expired / Lapsed | 1951-08-16 | — | 0 | Details |
| GB686387A | Improvements in or relating to gas-sealing joints for pipes… | Expired / Lapsed | 1949-09-30 | — | 0 | Details |
| GB644084A | Improvements in or relating to electronic control apparatus | Expired / Lapsed | 1947-12-02 | — | 0 | Details |
| US4971336A | Enhanced performance brush seals | Expired / Lapsed | 1989-11-29 | 1990-11-20 | 13 | Details |
| US4434835A | Method of making a blade aerofoil for a gas turbine engine | Expired / Lapsed | 1982-03-09 | 1984-03-06 | 8 | Details |
| US4415309A | Gas turbine engine seal | Expired / Lapsed | 1981-02-12 | 1983-11-15 | 10 | Details |
| US4411594A | Support member and a component supported thereby | Expired / Lapsed | 1982-06-22 | 1983-10-25 | 16 | Details |
| US4384607A | Method of manufacturing a blade or vane for a gas turbine e… | Expired / Lapsed | 1978-07-13 | 1983-05-24 | 7 | Details |
| US4252498A | Control systems for multi-stage axial flow compressors | Expired / Lapsed | 1979-02-28 | 1981-02-24 | 13 | Details |
| US3645829A | Apparatus for producing a fiber reinforced composite materi… | Expired / Lapsed | 1968-11-15 | 1972-02-29 | 2 | Details |
| US3442220A | Rotary pump | Expired / Lapsed | 1968-08-06 | 1969-05-06 | 0 | Details |
| US3332726A | Bearing assembly | Expired / Lapsed | 1965-03-24 | 1967-07-25 | 2 | Details |
| US3294366A | Blades for gas turbine engines | Expired / Lapsed | 1966-01-20 | 1966-12-27 | 2 | Details |
| US3205024A | Bearing | Expired / Lapsed | 1962-12-26 | 1965-09-07 | 0 | Details |
| US3147613A | Apparatus for ultrasonic flaw detection | Expired / Lapsed | 1960-12-27 | 1964-09-08 | 2 | Details |
| US3096074A | Bladed rotors of machines such as gas turbines | Expired / Lapsed | 1961-11-27 | 1963-07-02 | 2 | Details |
| US3044153A | Manufacture by extrusion of turbine engine blades | Expired / Lapsed | 1957-10-10 | 1962-07-17 | 0 | Details |
| US3030053A | Aircraft control systems | Expired / Lapsed | 1956-08-25 | 1962-04-17 | 0 | Details |
| US2977758A | Propeller driving gas-turbine engines | Expired / Lapsed | 1956-02-09 | 1961-04-04 | 0 | Details |
| US2943446A | Means sensitive to changes in the effective restriction of … | Expired / Lapsed | 1956-10-04 | 1960-07-05 | 0 | Details |
| US2933887A | Compound gas turbine engine with control for low-pressure r… | Expired / Lapsed | 1954-07-02 | 1960-04-26 | 0 | Details |
| US2898631A | Method of forming articles from silicone elastomers and pol… | Expired / Lapsed | 1956-12-18 | 1959-08-11 | 2 | Details |
| US2870870A | Lubricating arrangements for rotating machinery | Expired / Lapsed | 1956-10-01 | 1959-01-27 | 0 | Details |
| US2806351A | Starting and fuel pumping means for gas turbine engines | Expired / Lapsed | 1954-05-06 | 1957-09-17 | 0 | Details |
| US2806519A | Fuel-systems for internal combustion engines with means to … | Expired / Lapsed | 1950-06-16 | 1957-09-17 | 0 | Details |
| FR1134832A | Development of axial flow fluid machines | Expired / Lapsed | 1955-07-13 | 1957-04-18 | 0 | Details |
| US2705590A | Multi-stage axial-flow compressors with adjustable pitch st… | Expired / Lapsed | 1950-10-13 | 1955-04-05 | 0 | Details |
| US2689680A | Means for regulating the characteristics of multistage axia… | Expired / Lapsed | 1950-06-15 | 1954-09-21 | 0 | Details |
| US2670599A | Fuel system for gas-turbine engines | Expired / Lapsed | 1949-10-20 | 1954-03-02 | 0 | Details |
| US2661796A | Hydraulic control means for engine fuel systems | Expired / Lapsed | 1948-05-11 | 1953-12-08 | 0 | Details |
| US2651261A | Hydraulic speed-sensitive control system for prime movers | Expired / Lapsed | 1950-12-02 | 1953-09-08 | 0 | Details |
| US2643514A | Fuel system for gas-turbine engines with means to maintain … | Expired / Lapsed | 1949-08-12 | 1953-06-30 | 0 | Details |
| US2629982A | Fuel system for gas-turbine engines | Expired / Lapsed | 1948-01-19 | 1953-03-03 | 0 | Details |
| US2625790A | Rotary fluid machine assembly | Expired / Lapsed | 1949-10-20 | 1953-01-20 | 0 | Details |
| US2620157A | Gas-turbine engine | Expired / Lapsed | 1948-04-30 | 1952-12-02 | 0 | Details |
| US2613029A | Axial flow compressor regulation | Expired / Lapsed | 1948-06-01 | 1952-10-07 | 0 | Details |
| US2613028A | Air compressor for use on aircraft | Expired / Lapsed | 1947-03-19 | 1952-10-07 | 0 | Details |
| US2612020A | Gas turbine with fluid-driven auxiliary drive | Expired / Lapsed | 1946-10-29 | 1952-09-30 | 0 | Details |
| US2610466A | Gas turbine engine with starting device and automatic fuel … | Expired / Lapsed | 1949-06-24 | 1952-09-16 | 0 | Details |
| US2591540A | Vehicle gas turbine free wheel overdrive | Expired / Lapsed | 1947-12-01 | 1952-04-01 | 0 | Details |
| US2575879A | Variable-area nozzle for downstream end of jet pipe in jet … | Expired / Lapsed | 1946-08-28 | 1951-11-20 | 0 | Details |
| US2557421A | Hydraulic power-transmission system | Expired / Lapsed | 1946-09-24 | 1951-06-19 | 0 | Details |
| US2548208A | Hydraulic power transmission system | Expired / Lapsed | 1946-09-24 | 1951-04-10 | 0 | Details |
| US2544477A | Spark type ignition system for combustion engines | Expired / Lapsed | 1949-12-28 | 1951-03-06 | 0 | Details |
| US2538582A | Fuel pump control for gas turbine responsive to intake air … | Expired / Lapsed | 1948-04-30 | 1951-01-16 | 0 | Details |
| US2528635A | Power gas generator for internalcombustion power units | Expired / Lapsed | 1946-08-05 | 1950-11-07 | 0 | Details |
| US2497667A | Heat-treatment of nickel-chromium alloys | Expired / Lapsed | 1947-02-04 | 1950-02-14 | 2 | Details |
| US2488875A | Gas turbine engine | Expired / Lapsed | 1948-04-30 | 1949-11-22 | 0 | Details |
| US1654432A | Gearing for propelling aircraft | Expired / Lapsed | 1924-06-09 | 1927-12-27 | 0 | Details |
| US1350522A | Epicyclic gearing | Expired / Lapsed | 1919-11-04 | 1920-08-24 | 0 | Details |
| US1225360A | Epicyclic gearing. | Expired / Lapsed | 1916-09-19 | 1917-05-08 | 0 | Details |