CATALOGUE OF AMERICAN PATENTS ISSUED IN MAY, 1845.

• To Reid R. Trockmorton, of Brooklyn, N.Y., for improvement in the machine for planting, tongueing, and grooving, rebating and beading planks and other lumber: patented 1st May, 1845.
• To George Upham, of Hebron, Ohio, for improvement in closing and opening the entrance to bee-hives: patented 1st May, 1845.
• To Charles F. Oliver and George W. Jackson, of Lynn, Massachusetts, for improvement in piano-fortes: patented 1st May, 1845.
• To Oliver Allen, of Norwich, Conn., for improvements in the machine for dredging or excavating: patented 1st May, 1845.
• To Isaac L. Chapman, of New York, for improvement in the manner of cutting fabrics to be made into hat-bodies by sewing: patented 1st May, 1845.
• To George W. Billings and John Harrison, of Glasgow, Missouri, for improvement in the machine for hatcheling and cleaning hemp and flax: patented 1st May, 1845.
• To Stephen R. Parkhurst, of New York, for improvements in the machine for ginning cotton and wool: patented 1st May, 1845.
• To Hiram A. Pitts, of Winthrop, Maine, for improvement in cutting and crushing corn-fodder: patented 1st May, 1845.
• To Richard M. Hoe, of New York, for improvement in printing presses: patented 1st May, 1845.
• To Frederich Walther, of Winchester, Va., for improvement in pumps: patented 1st May, 1845.
• To Samuel Taylor Cambridge and Abbot R. Davis, of Boston, Mass., for machine for filling brush blocks with bristles: patented 1st May 1845.
• To Thomas Rogers, of Paterson, N.J., for improvement on Horatio Allen's cut-off valve for steam engines: patented 1st May, 1845.
• To James Semple, of Alton, Ill., for improvement in steam coaches adapted to the prairies: patented 1st May, 1845.
• To Isaiah W. P. Lewis, of Boston, Mass., for improvements in the method of obtaining permanent foundations for hydraulic structures: patented 1st May, 1845.
• To Samuel Utter, of New York, for improvement in stoves: patented 1st May, 1845.
• To Francis L. Headenburg, of New York, for improvements in stoves: patented 7th May, 1845.
• To John Loudon and Thomas Shaw, of New York, for improvements in the machine for polishing and equalizing the nap or pile on the surfaces of hats: patented 7th May, 1845.
• To William Y. Singleton, of Springfield, Ill., for improvement in the machine for breaking and cleaning hemp, &c.: patented 7th May, 1845.
• To George A. Scherpf, of New York, for improvement in curing meats; patented 7th May, 1845
• To Pierpont Seymour, of East Bloomfield, N.Y., for improvement in sowing machines: patented 7th May, 1845.
• To Wade Haworth, of Dayton, O., for improvement in stuffing and stretching horse-collars: patented 7th May, 1845.
• To Reuben Fairchild and Starr Fairchild, of Trumbull, Conn., for improvement in boot-crimps; the aforesaid Reuben Fairchild having assigned his right, title, and interest in said improvement to Starr Fairchild: patented 10th May, 1845.
• To John D. Cornelius and James Mott, Jr., of Westbury, N.Y., for improvements in machinery for knitting fishing-seines and other net-work: patented 10th May, 1845.
• To Samuel Rust of New York, for improvement in lamp-wicks: patented 10th May, 1845.
• To George W. Billings and John Harrison, of Glasgow, Mo., for improvement in rotting hemp: patented 10th May, 1845.
• To James M. Wilder, of Peterborough, N.H., for improvement in meat-cutters: patented 10th May, 1845.
• To John F. Winslow and Israel Blanchard, of Troy, N.Y., for improvement in the machine for making hook or brad-headed spikes: patented 10th May, 1845.
• To Henry N. Gros, of Palatine Bridge, N.Y., for improvement in cooking-stoves: patented 13th May, 1845.
• To Ezekiel B. Foster, of Philadelphia, Penn., for improvement in stenciling: patented 13th May, 1845.
• To William C. Grimes, of Baltimore, Md., for improvement in spark-arresters: patented 13th May, 1845.
• To Nelson Goodyear, of Newtown, Conn., for improvement in the manufacture of India-rubber fabrics: patented 13th May, 1845.
• To Samuel Swett, Jr., of New York, for improvement in spark-arresters: patented 13th May, 1845.
• To Milton W. St. John, of Plainfield, N.Y., for improvement in machinery for turning wood: patented 13th May, 1845.
• To Jane A. Davis, administratrix of Henry G. Davis, deceased, of Clark Co., Ala., for improvement in cotton-whippers and cleaners: patented 16th May, 1845.
• To Eli H. Jaques, of Springfield, Vt., for improvement in portable horse-powers, patented 16th May, 1845.
• To David B. W. Hard, of Bethlehem, Conn., for improvement in trusses: patented 16th May, 1845.
• To W. H. Taylor, of Rochester, and A. P. Norton, of Waterville, N.Y., for improvement in the parallel bench-vise: patented 16th May, 1845.
• To Theodore Ely, of New York, for improvement in machinery for burring wool and cleaning cotton: patented 16th May, 1845.
• To John J. Springsteen, of Owego, N.Y., for improvement in water-wheels: patented 16th May, 1845.

[To be continued.]