These details and drawings of patents granted in the United States are taken, by permission of the Department of Commerce, from the 'Official Gazette of the United States Patent Office'. Printed copies of the full specifications can be obtained, price 10 cents each, from the Commissioner of Patents, Washington, D.C., U.S.A. They are usually available for inspection at the British Patent Office, Southampton Buildings, Chancery Lane, London, W.C.2. 2,503,651. Heat Exchanger. John Forster Alcock, North Lancing, England, assignor to Harry Ralph Ricardo, London, England. Application December 5, 1947. Serial No. 789,997. In Great Britain December 5, 1946. 5 Claims. (Cl. 257—6.) Mich., a corporation of Delaware. Serial No. 646,156. 4 Claims. (Cl. 170—135.28.) 2,504,209. Reversing Propeller Control. Eric Martin, West Hartford, Conn., and Murray C. Beebe, Jr., Altadena, Calif., assignors to United Aircraft Corporation, East Hartford, Conn., a corporation of Delaware. Application January 10, 1944. Serial No. 517,686. 23 Claims. (Cl. 170—160.19.) 2,503,822. Speed Control for Axial Flow Fans. Benjamin T. Howes, Hartford, Conn., assignor to United Aircraft Corporation, East Hartford, Conn., a corporation of Delaware. Application November 23, 1945. Serial No. 630,413. 7 Claims. (Cl. 170— 160.13.) 2,504,767. Aircraft with Adjustable Wings. Barnes Neville Wallis, Weybridge, England. assignor to Vickers-Armstrongs Limited, London, England. Ap plication March 31, 1947. Serial No. 738,362. In Great Britain March 28, 1946. 3 Claims. (Cl. 244—46.) 2,504,414. Gas Turbine Propulsion Unit. William Rede Hawthorne, Silver Spring, Md., assignor to Power Jets (Research and Development) Limited, London, England. Application October 10, 1944. 2,505,604. Droppable Wing-Tip Tank. John R. Serial No. 558,024. In Great Britain October 11, 1943. Clark, Stratford, and Donald L. McFarland, Milford, 3 Claims. (Cl. 60—35.6.) Conn., assignors to United Aircraft Corporation, East Hartford, Conn., a corporation of Delaware. Appli cation February 1, 1947. Serial No. 725,902. 7 Claims. 2,503,173. Air Intake Arrangement for Supersonic Aircraft. Austin Geoffrey Smith, Blaby, England, assignor to Power Jets (Research and Development) Limited, London, England. Application January 29, 2,505,660. Augmentor for Jet Propulsion having 1946. Serial No. 644,121. In Great Britain February 1, more Rows of Turbine Driving Blading than Driven Air 1945. 4 Claims. (Cl. 244—53.) Blading. Karl Baumann, Knutsford, England, assignor to Metropolitan-Vickers Electrical Company Limited, London, England, a company of Great Britain. Application January 13, 1944. Serial No. 518,165. In 2,504,422. Aircraft Engine and Fuselage Arrange Great Britain October 14, 1941. Section 1, Public Law ment. Clarence L. Johnson, Encino, Willis M. 690, August 8, 1946. Patent expires October 14, 1961. Hawkins, Jr., North Hollywood, and Alonzo B. Storey, Jr., Glendale, Calif., assignors to Lockheed Aircraft Corporation, Burbank, Calif. Original appli cation April 25, 1946. Serial No. 664,904. Divided and 2,504,181. Double Compound Independent Rotor this application January 5, 1950. Serial No. 136,934. Turbojet Power Unit. Hayne Constant, Farnborough 4 Claims. (CL. 244—74.) Drawing at top of next col. Park, England, assignor to Power Jets (Research and Development) Ltd., London, England, a British com pany. Application April 21, 1945. Serial No. 589,671. 2,504,559. Dual Rotation Propeller. Thomas B. In Great Britain April 22, 1944. 6 Claims. (Cl. 60— Martin and Kenneth L. Berninger, Dayton, Ohio, 35.6.) assignors to General Motors Corporation, Detroit, Aircraft Engineering
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Jul 1, 1950
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