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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 by Claremont Haynes & Co on outside patent applications for the week ending 29th July 1937.

Identifier  ExFiles\Box 147\1\  scan0255
Date  29th July 1937
  
OUTSIDE PATENT SEARCHES.

REPORT BY CLAREMONT HAYNES & CO

Week ending 29th July 1937.

APPLICATIONS.

No. Name of Patentee. Title

20303 L.F.R.Fell, H.L.Towns and Armstrong Siddeley Motors Ltd. Cooling of air-cooled engines.

20843 L.F.R.Fell, H.L.Towns Armstrong Siddeley Motors Ltd and G.M.Cutler. Change speed gearing for aircraft engines.

20788 G.Asakura. Propeller pitch changing devices.

20362 Bristol Aeroplane Co Ltd and R Ponting. Hydraulic control valve.

20363 " " " gun-firing mechanism.

20821 G.Bronlhiet Engine starters etc.,

20596 A.Claudel Carburetters for explosion motors.

20418 J.M.B.Collings Hydraulic clutch.

20437 Deutsche Schiff und Maschinenbau Akt-Ges Apparatus for synchronizing etc claw-or-tooth clutches.

20730 Vickers (Aviation) Ltd. D.L.Ellis. Airscrews.

20542 High-Pressure Airscrews Ltd, R.G.Wells and A.F.Evans. Variable-pitch airscrews.

20589 High Duty Alloys Ltd. and P.Quinn. Protection of magnesium alloy articles.

20320 Junkers Flugzeug-und-Motorenwerke Akt.Ges Cylinders of internal combustion engines.

20768 S.B.Newman Variable speed driving mechanism.
  
  


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