Report by Claremont Haynes & Co. on outside patent searches for the week ending 23rd March 1939.
| Identifier | ExFiles\Box 147\2\ scan0026 | |
| Date | 23th March 1939 | |
| 646 OUTSIDE PATENT SEARCHES REPORT BY CLAREMONT HAYNES & CO. WEEK ENDING 23rd March 1939 SPECIFICATIONS which have become available (Opposition date 9th May 1939) ------------------- No. PATENTEE TITLE E. {Mr Elliott - Chief Engineer} 501,054 Siemens Apparate und Maschinen Ges. Mit Beschrankter Haftung Improvements in or relating to automatically operated variable pitch air propellers E. {Mr Elliott - Chief Engineer} 501,127 Ditto Improvements in or relating to automatically operated variable pitch air propeller E. {Mr Elliott - Chief Engineer} 501,187 H. {Arthur M. Hanbury - Head Complaints} Fairbrother (communication from Bayerische Motoren Werke Akt.Ges.) Method of applying seating surfaces of valves for internal combustion engines E. {Mr Elliott - Chief Engineer} 501,189 Ditto Lubricating Device for Aircraft Engines BY. {R.W. Bailey - Chief Engineer} 501,233 Daniel Gardner Improvements in or relating to processes for the manufacture of aluminium or aluminium alloys E. {Mr Elliott - Chief Engineer} 501,257 Daimler-Benz Akt.Ges. Improvements in and connection with the cooling of internal combustion engines BY. {R.W. Bailey - Chief Engineer} 501,311 Ford Motor Co.Ltd. Improvements in vehicle brakes BY. {R.W. Bailey - Chief Engineer} 501,312 General Motors Corporation Improvements in Hydraulic Operating Systems E. {Mr Elliott - Chief Engineer} 501,337 Bendix Aviation Corporation Improvements in and relating to Diaphragm Devices E. {Mr Elliott - Chief Engineer} 501,423 Fred Umpleby Improvements in and relating to exhausting and charging arrangements for internal combustion engines BY. {R.W. Bailey - Chief Engineer} 496,837 Max Goldschmidt (Communicated by John W. Leighton) (Amended specification) Improvements in Independent Wheel Suspension Arrangements for vehicles. | ||
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).