CLASS XIII.-Grinding mills and mill gearing, including grain mills, mechanical movements, and horse-powers. V.-Classified list of patents, &c.-Continued. CLASS V.-Calorific, comprising lamps, fireplaces, stoves, grates, furnaces for heating buildings, cooking apparatus, pre- Stoves, with pertable ovens. Ventilating and excluding dust from railroad cars. Ventilators. Hosea H. Huntly. Hosea H. Huntly. George W. Carleton. Joel Stevens & H. J. Ruggles.. James Root.. George W. Gardner. Thatcher C. Hatch.. ... Aug. 19, 1851. Nov. 25, 1851. Brunswick, Cumberland county, Me... Nov. 25, 1851. West Poultney, Vt.. Saratoga Springs, N. Y. Oct. 28, 1851. July 22, 1851. Date of patent. V.-Classified list of patents, &c.—Continued. CLASS VI.-Steam and gas engines, including boilers and furnaces therefor, and parts thereof. Nov. 25, 1851. May 13, 1851. July 15, 1851. June 3, 1851. Mar. 18, 1851. July 29, 1851. Nov. 4. 1851; in Eng- Oct. 21, 1851. New York, N. Y Dec. 9, 1851. Troy, Rensselaer co., N. Y. Sept. 23, 1851. Georgetown, D. C... Nov. 25, 1851. Brooklyn, N. Y...... Sept. 9, 1851. Canton, Stark co., Ohio. Sept. 16, 1851. Aug. 5, 1851. Troy, N. Y.. Philadelphia, Pa. Rich'd. F. Loper & John W. Nystrom. Philadelphia, Pa.. Henry G. Thompson. James A. Cutting.. Frederick P. Dimpfel.. Francis B. Stevens.. Samuel H. Gilman... Feb. 4, 1851. New York, N. Y.. July 1, 1851. New York, N. Y. Mar. 25, 1851. Cincinnati, O.. Date of patent. Jan. 1, 1851. CLASS VII-Navigation and maritime implements, comprising all vessels for conveyance on water, their construction, rigging, and propulsion, diving dresses, life-preservers, &c. from the shock of. Rudder, balanced. Rudders, method of operating. ..... William H. Bryan... A. A. Wilder. Charles F. Brown. Ambrose W. Thompson.. Charles Frederick Fisher.. Chandos Hoskins. Charles F. Brown.. Georgetown, D. C. July 29, 1851. New York, N. Y. Detroit, Michigan. New Orleans, La. Thos. H. Mortimer & Jas. M. Gardner. Charleston, S. Ç.,, May 6, 1851; in Europe Jan. 21, 1851. June 17, 1851. Jan. 21, 1851. 7, 1851. May 13, 1851. |