V.-Classified list of patents, &c.—Continued. CLASS VI.-Steam and gas engines, including boilers and furnaces therefor, and parts thereof. James A. Cutting.. Frederick P. Dimpfel.. Erwenna, Bucks co., Pa.. New York, NY. Rich'd. F. Loper & John W. Nystrom. Philadelphia, Pa. New York, N. Y. July 1, 1851. New York, N. Y. Mar. 25, 1851. Cincinnati, O.. 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. V.-Classified list of patents, &c.—Continued. Velocimeters, aquatic, method of supporting the vanes of. Vessels, flexible hose or float for supporting. Vessels, method of raising sunken.. CLASS VIII.-Mathematical, philosophical, and optical instruments, including clocks, chronometers, &c. Electro magnetic telegraphs, circuit changes for.. Escapements for time pieces.. Spectacle frames ... Telegraph wires, insulators for. Telegraph wires, insulators for.. Telegraph wires, insulators for. Thomas C. Avery Charles S. Bulkley, George W. Otis... John Yandell. ... Henry D. Chapman.. Lemuel H. Parsons. Residence. Philadelphia, Pa Philadelphia, Pa New York, N. Y Macon, Bibb county, Georgia.. Lynn, Essex county, Mass. Baltimore, Md. Lambertville, Hunterdon county, N. J. Sept. 30, 1-51. Worcester, Mass. Cambridge, Mass. Washington, D. C St. Louis, Mo CLASS IX.-Civil engineering and architecture, comprising works, rail and common roads, bridges, canals, wharfs, docks, rivers, wiers, dams, and other internal improvements, buildings, roofs, &c. Inventions or discoveries. Patentees. New Haven, Ct.. Bennington, Wyoming county, N. Y. Boston, Mass....... Brookville, Brookville county, Ia. July 15, 1851. Jan. 7, 1851. Sept. 2, 1851. Lansingburg, Rensselaer county, N. Y. July 29, 1851. 2, 1851. Rushville, Ontario county, N. Y. Dec New York, N. Y. July 1, 1851. Jackson, Mich.. Sept. 9, 1851. Spring Garden, Philadelphia, Pa. June 24, 1851. Damascoville, Columbiana county, Ohio. Dec. 2, 1851. Charles Schofield and George J. John.. Albion, Ill. James Root... Sewall Short. V.-Classified list of patents, &c.—Continued. CLASS X.-Land conveyance, comprising carriages, cars, and other vehicles used on roads, and parts thereof. Oliver N. French, assignor to O. N. Robert Levington.. New London, Ct. Monroe, Mich. Har. Hibbard, ass'r to Jar. A. Hibbard Henrietta, N. Y. July 15, 1851. June 24, 1851. Sept. 16, 1851. Sharpsburg, Washington county, Md.. James C. Spencer.. Phelps, N. Y Alden. N. Y. New Haven, Ct.. Madison, Madison county, N. Y. Clyde, Wa ayne county, N. Y. Clyde, Wayne county, N. Y....... New Haven, Ct.... Claremont, N. H. Townsend's Inlet, N. J. ... Nov. 11, 1851. 2, 1851. Granville, Washington county, N. Y.. July 22, 1851. |