From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Report from Claremont Baynes & Co listing newly available patent specifications for the week ending 23rd February 1939.
| Identifier | ExFiles\Box 147\2\ scan0010 | |
| Date | 23th February 1939 | |
| B46 OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT BAYNES & CO Week ending 23rd February 1939 SPECIFICATIONS which have become available (Opposition date 11th April 1939) ------------------ No. Patentee. Title. BY 499,474 Ferdinand Porsche Improvements in and relating to Oil Coolers for Internal Combustion Engines. E 499,514 Raffaele Matteucci Variable Pitch Propeller E 499,518 The British Thomson-Houston Company Ltd., and Everett Wright Bce Improvements in or relating to Variable Pitch Screw Propellers BY 499,598 Bendix Ltd., and Capt. John Samuel Irving Improvements in Brakes for Vehicles E 499,622 Aeroplani Caproni Societa Anonima Improvements in or relating to Apparatus for Driving Co-axial propellers in Opposite directions E 499,634 William Warren Triggs (Communication from Argus Motoren Gesellschaft) A Regulatable Screw Propeller having Adjustable Blades BY 499,690 Gaston Fleischel Improvements relating to Automatic Control Devices for Variable-speed Transmissions, particularly for Automobile Vehicles BY 499,731 Frederick William Charles Catt and Oscar Frederick Catt Improvement in Automatic Variable Speed Power Transmission 1 | ||