CATALOGUE OF AMERICAN PATENTS
ISSUED IN 1844.
CLASS VI—Steam and Gas Engines, including Boilers and Furnaces therefor, and parts thereof.(Continued.)
Mode of supplying air to consume the combustible gases, &c. that escape from the furnaces of team engines and other boilers—Peter Robinson, Waterloo, N.Y. April 20th.
Rotary steam engine—Abram Rease, Lyons, N.Y. Feb. 12th.
Rotary steam engine—Mathew Fletcher, London, Eng., Nov. 18th.
Mode of exhausting the case of rotary steam engines—Edward Lock, Newport, England, September 11th.
Method of connecting the action of the cut-off valves of steam engine—Barrabas H. Bartol, Coldspring, N.Y., September 20th, antedated March 20th.
Virbrating steam engine—Ebenezer A. Lester, Boston, Mass. Feb. 7th.
CLASS VII—Navigation and maritime implements, comprising all vessels for conveyance on water, their construction, rigging, and propulsion, diving dresses, life-preservers, etc.
Harpoon—Albert Moor, Hampden, Me., March 16th.
Ice-breaker for boats and other vessels—Samuel Nicholson, Boston, Mass., July 16th.
Life-preserver, applicable as buoys, rafts, &c.—Jos. Francis, New York, assignee of C. Aug. de Laincourt, France; Nov. 10th, 1842, France; May 10th, 1844, U.S.A.
Propelling boats, &c.—oblique paddle propeller—Ralph Burkley, New York, March 13th.
Propelling canal and other boats—Henry R. Worthington, New York, Feb. 2d.
Propelling, horizontal paddle wheels—Ephriam Buck, assignee of Peter Lear, Boston, Mass., Feb. 20th.
Improvement in paddle wheels of a steamboat, &c.—Richard D. Chatterton, Derby, Eng., Jan. 11th, 1842, England; July 24th, 1844, U.S.A.
Rotary inclined propeller for vessels—Richard F. Loper, Phil. Pa., Feb. 28th.
Submerged propeller—Peter Von Schmidt, Washington, D.C. May 30th.
Coupling the shafts of submerged propeller, for steamboats, &c.—Richard F. Loper, Phil. Pa., Oct. 9th.
Propelling ships—John Ericsson, New York, Dec. 31st.
Propelling steamboats and other boats—Gabriel H. Moreau, France, Jan. 26th.
Rigging blocks of ships—Stephen Waterman, Greenwich, Ct., and Isaac D. Russell, New York, Dec. 31st.
Forming and rigging the sails of square rigged vessels—Warren C. Choate, Washington, D.C. April 17th.
Mode of calking ships, cellars, &c.—William Bennet, New York, April 20th.
Method of strengthening the sails of ships and other vessels—Archibald Trail, Great Britain, Feb. 24th, England; Sept. 24th, U.S.A.
CLASS VIII.—Mathematical, Philosophical, and Optical instruments, including Clocks, Chronometers, etc.
Chronometer escapements—Oramel W. Waste, Pittsford, N.Y. Sept. 24th.
Clock pendulums—Frederic Kesselmeier, Wooster, Ohio, April 10th.
Machine for calculating interest—Jehu Hatfield, Glensfalls, N.Y. May 6th.
Rules or measures for boards, leather, &c., Charles Ross, Piqua, Ohio, May 17th.
CLASS IX—Civil Engineering and Architecture, comprising works on rail and common roads, Bridges, Canals, Wharves, Docks, Rivers, Dams, and other internal improvements, Buildings, Roofs, &c.
Truss frames of bridges—Otis W. Pratt, Norwich, Conn., and Caleb Pratt, Boston, Mass. April 4th.
Canal lock-gates, suspending, opening and closing—Henry McCarty, Pittsburg, Pa. March 16th.
Floating dry-dock, to be used in connection with basin—R. Moody and Samuel D. Dakin, New York, Sept. 17th.
Sliding doors—William T. Forsyth, Philadelphia, Feb. 12th.
Excavating, mode of cutting ditches for laying pipe,—Ezra Cornell, Ithaca, N.Y. Feb. 28th.
Ditching machines—Edwin Owen, Laporte, Ia., Sept. 4th, antedated March 24th.
Excavator or dray for removing mud, &c., in beds in rivers—Dennis Vermilion, Washington, D.C. Nov. 9th.
Excavator scoop and dredging machine—Joseph Smith, Mansfield, O., Aug. 24th.
Scrapes for repairing roads, &c—Samuel G. Sutton, Yorkshire, N.Y. May 30th.
Improvement in connecting cast-iron rail for railroad—James M. Bay, Harrisburg, Pa., April 13th.
Key for fastening the rails of railroad to their chairs—Benjamin Butterfield, Kensington, Pa. Aug. 21st.
Safety switch for railroads—Gustavus A. Nicholls, Reading, Pa., Dec. 19th.
Railroad truck-frames—Davenport & Bridges, assignees of Charles Davenport, Cambridgeport, Mass. Aug. 10th.
Manner of making roofs of houses—John Wolley, Springfield, Mass., March 26th.
Securing tin plate, &c., on roofs—Peter Naylor, New York, April 25th.
Machine for sweeping streets—Alexander M. Wilson, Rossville, N.Y. Oct. 16th.
Signal Telegraph—Henry J. Rogers, Baltimore, Md., Sept. 27th.
(To be continued.)