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 searches for the week ending 25th July 1940.
| Identifier | ExFiles\Box 147\4\ scan0023 | |
| Date | 25th July 1940 | |
| OUTSIDE PATENT SEARCHES REPORT BY CLAREMONT HAYNES & CO. Week ending 25th July 1940 SPECIFICATIONS which have become available prints of which are not sent herewith, but which may also be of interest. (Opposition date: 9th September 1940) --------------------------------------- No. Patentee Title 522,682 Auto Union Akt.Ges. Scavenging of the cylinders of piston-controlled two-stroke-cycle internal-combustion engines. 522,684 H.{Arthur M. Hanbury - Head Complaints} M.{Mr Moon / Mr Moore} Fulton Cooling of the cylinders of internal-combustion engines. (relates to cooling a cylinder which has circumferential ribs over which a water jacket is superposed furnishing communicating water channels in tiers) 522,685 H.{Arthur M. Hanbury - Head Complaints} Shaw Bearing-surfaces (relates to making bearings from a solid base or matrix the surface of which is minutely pitted and the pits filled with a soft bearing metal) 522,690 Lodge Plugs Ltd. and B. Sparking-plugs for internal-combustion engines. Hopps (the electrodes surrounding the central electrode are in part tangential to and in part parallel to the axis of that electrode) 522,706 L. M.{Mr Moon / Mr Moore} Bellamy and R.{Sir Henry Royce} H.{Arthur M. Hanbury - Head Complaints} Differential gears Sheepshanks 522,730 (invention is for means for limiting relative speeds of parts of a differential gear on a motor vehicle) H.{Arthur M. Hanbury - Head Complaints} R.{Sir Henry Royce} Ricardo Cylinders liners of two-stroke internal-combustion engines. (a dry liner is externally thickened to give sufficient length to tangential scavenging passages) 522,740 W.F.P. Martin-Hurst and Lubricating-oil cooling systems for internal-combustion engines British Thermostat Co.Ltd. (by-passes in oil cooling systems to short circuit cooler when oil is cool) | ||