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 various applications for the week ending in May 1940.
| Identifier | ExFiles\Box 147\2\ scan0329 | |
| Date | 9th May 1940 | |
| OUTSIDE PATENT SEARCHES REPORT BY CLARIMONT HAYNES & CO. Week Ending 9th May1940 APPLICATIONS No. Patentee Title 8004 Aluminium Co. of America Heat treatment of aluminium base alloys 8005 Do. Do. 8025 Armstrong Siddeley Motors Ltd. and F.D. Holister Actuating means for change-speed mechanism 8078 Armstrong Siddeley Motors Ltd. and S.S. Tresilian Cooling of internal combustion engines 7882 Armstrong Siddeley Motors Ltd. and T. Clark and S. Allen Valve gear of engines 8202 Borg & Beck Co.Ltd. Friction clutches 8237 Constant Speed Airscrews Ltd. & F.G. Marshall Spinners for the hubs of airscrews 8238 Constant Speed Airscrews Ltd. and F.G. Marshall and R.{Sir Henry Royce} McGlasson Direct cooling of aircraft engines 8062 Fairey Aviation Co.Ltd. F.H. Ordidge and H.{Arthur M. Hanbury - Head Complaints} Williams Mounting armament on aircraft 8018 B. Francke Suspension for vehicles 8262 General Motors Corporation Filtering materials 8044 Humber Ltd. and C.H. Hylton Controlling means for internal combustion engines 8209 F.{Mr Friese} Porsche Universal joints 7928 Richards & Co.Ltd. and G.H. Ellis Gear Change mechanism 8250 Rober Co.Ltd. and P.A.Iversen Scott Electromagnetically operated clutches &c. | ||