Rolls-Royce Archives
         « Prev  Box Series  Next »        

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 Haynes & Co listing recently available patent specifications for the week ending 8th July 1937.

Identifier  ExFiles\Box 147\1\  scan0239
Date  8th July 1937
  
OUTSIDE PATENT SEARCHES.

REPORT BY CLAREMONT HAYNES & CO

Week ending 8th July 1937.

SPECIFICATIONS WHICH HAVE BECOME AVAILABLE
(Opposition date 21st August 1937)

-------

No. Name of Patentee. Title.

466,924 Ugo de Franzoni Improvements in or relating to Progressive Speed-Changing Devices for Variable Speed Machines.

466,939 Fiat Societa Anonima Improvements in Control Devices for the Lighting Equipment of Vehicles.

466,941 Valentin Lichoff An Improved Process for Preparing an Aluminium Oxide Layer by anodic Oxidation.

466,949 Schering-Kahlbaum Aktiengesellschaft. Improvements in or relating to the Electroplating of Aluminium or aluminium alloys.

WYMAN 467,007 General Motors Corporation Improvements in Air Cleaners.

467,020 Achille Ernest Gaba Improvements in and relating to Variable Pitch Airscrews.

467,077 Daimler-Benz Aktiengesellschaft. Improvements in or relating to the adjustment of vehicle Wheels.

467,103 Edward Dodson. Improved Method of Controlling Variable Pitch Propellers.

---------------------
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙