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).
Outside patent searches listing specifications that have become available.
| Identifier | ExFiles\Box 147\2\ scan0138 | |
| Date | 7th December 1939 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 7th December 1939 SPECIFICATIONS which have become available ---------- (Opposition date 22nd January 1940) ---------- No. Patentee. Title. E.{Mr Elliott - Chief Engineer} 513,849 Maschinenfabrik Augsburg-Nuernberg A.G. An Exhaust Gas Driven Turbo-blower E.{Mr Elliott - Chief Engineer} 514,404 Eclipse Aviation Corporation Improvements in or relating to the removal of carbon deposits in apparatus for Generating and Utilising Gaseous Products of Combustion E.{Mr Elliott - Chief Engineer} 514,415 William George Hay, Sydney Edgar Willett and Clayton Dewandre Co.Ltd. Improvements in relating to Rotary Air or other Gas Compressors or Movers or Vacuum Pumps E.{Mr Elliott - Chief Engineer} 514,420 Ferdinando Carlo Reggio Improvements in or relating to Centrifugal Blowers or Compressors E.{Mr Elliott - Chief Engineer} 514,430 Piero Mariano Salerni Improvements in or relating to Centrifugal Pumps or the like E.{Mr Elliott - Chief Engineer} 514,438 The Bristol Aeroplane Co. Ltd., A.H.R.Fedden Improvements relating to Fluid-transmission circuits in variable pitch airscrews E.{Mr Elliott - Chief Engineer} 514,494 D.Napier & Son Ltd., and F.R.F.Ramsay Improvements in or relating to Ignition Apparatus for Internal Combustion engines. | ||