Gin, cotton, in the roller.-Richard Reynolds Jr., Beaufort, S. C., Feb. 20th.
Gin, cotton, saw gin for grinding cotton.-E. Carver, Bridgewater, Mass., April 4th, and J. H. Sherard, Livingston, Ala., April 30th.
Machine for pressing hats and bonnets.-Caleb Merritt, Baltimore, Md., March 13th.
Improvement in the manufacture of hats.-John Maguire, Washington, D.C., Dec. 7th.
Hemp-breaker and cleaner.-C. B. Bauer, Petersburg, Tenn., Jan 6th.
Hemp and flax brake.-Aaron F. Bruce, Marehall, P.O., Mo., June 24th.
New mode of heckling and spinning hemp.-Wm. Montgomery, Boston, Mass., Feb. 20th.
Preparing and spinning hemp.-Moses Day, Roxbury, Mass., reissued March 13.
Loom for weaving fish-nets.-J. Carr, J. Shanmore, & Wm. Carr, Sunbury, Penn., Sept. 14th.
Knitting Loom.-R. Walker, and J. Mc'Intire, Portsmouth, N.H., Feb. 19th, and Pierre E. Ladranger France; patent granted in France June 1st 1843; in U.S. Oct. 16th, 1844.
Improvement in power loom.-James Nield, Tauntos, Mass., May 25th.
Loom, regulating the delivery of the warp from the warp beam.-Wm. H. Brayton, Warren, R.I., Jan. 6th.
Rotary temples for looms.-Isaac C. Lane, Waltham, Mass., March 26th.
Method of making sand paper, glass or emery.-Edmond Norris, Philadelphia, Pa., Sept. 14th.
Silk reels.-James S. Harris, Poultnay, Vt., July 30th.
Improvement in bobbing, method of operating in machinery for spinning fibrous substances.-Francis McCulley, Jr., Paterson, N.J., Oct. 30th.
Filter and shead spindle for spinning.-Phineas Stevens, Nashna, N.H., April 20th.
Hook spinner and twister, whirling and rotary.-John Thorp, North Wrentham, Mass., Sept. 27th.
Mode of combining wool.-George E. Donisthorpe, Bradford, Eng.-(American patent Sept. 11th.)
Mode of combining wool.-Ezra Gould, Paterson, N.J., Oct. 9th.
CLASS IV-Chemical Processes, Manufacture, and Compounds, including Medicines, Dyeing, Colour-making, Distilling, Soap and Candle making, Mortars, Cements, &c.
Method of making cements-Wm. H. Smith, Georgetown, D.C., June 10th.
Water-proof cements and figments-Edward Dentach, France, (granted in England, Oct. 8th, 1842) in U.S. May 25th, 1844.
Colouring and hardening wood-C. F. Spicker, New York, June 24th.
New composition for aqueduct pipes-Gideon Myers, Bridgewater, N.Y., March 28th.
Composition for dyeing the hair-Auguste Grandjean, New York, Feb. 28th.
Composition for glazing-Thomas and Ephraim Parker, Orangeville, Pa., Feb. 20th.
Composition for making brick-Nathaniel J. Wyeth, Cambridge, Mass., March 28th.
Water-proof composition for leather-William J. Roome, New York, Jan. 6th.
Invention of machinery for dyeing yarn-Amoskeng Manufacturing Co., assignee of William A. Burke, Manchester, N.H., May 30th.
Friction matches-Elisha Smith, Erving, Mass., Oct. 3d.
New mode of making lamp-black-John G. Mini, Philadelphia, Pa., Nov. 13th.
Method of preparing lard-H. A. Amelung, Alton, Ill., Nov. 13th.
Rendering lard-Ebenezer Wilson, Cincinnati, Ohio, Oct. 9th.
Mash-tubs-Benjamin Roops, Pekin, Ohio, Oct. 9th.
Machines for making mercurial ointments-Jas. W. W. Gordon, Baltimore, Md., June 5th.
Ointments for piles-Wm. W. Riley, Mansfield, Ohio, Jan. 31st.
Fire and water-proof paints-Joseph Weisman, Philadelphia, Pa., Feb. 20th.
Improvement to making salaeratus-Edward Chamberlain, Boston, Mass., Sept. 20th.
Making salt-Isaac Noyas, Kanawha Saline, Va., April 25th.
Sealing-wax, igniting-Joseph Fatman, Philadelphia, Pa., April 17th.
Silvering looking-glasses-Thos. Drayton, Brighton, England, Nov. 25th, 1843-U.S., Aug. 12th, 1844.
Method of purifying soaps and oils-Arthur Dunn, Reitherhithe, England, Nov. 9th, 1843-U.S., Dec. 4th, 1844.
Sugar-boilers-Abraham Hager, Donaldsonville, La., March 9th.
Sugar candy-Henry and George Garrison, Newburgh, N.Y., April 10th.
Cleaning sugar-Joseph Hurd, Storeham, Mass., cot. 3d.
Filters for sugar &c.-John Watson, Elizabethtown, N.J., Jan. 31st.
Cutting tallow, &c.-Zabina Ellis, Kingston, Pa., Oct. 12th.
Renovating tobacco-Enoch Huse, Newburyport, Mass., July 22d.
CLASS V-Comprising Lamps, Firepalces, Stoves, Grates, Furnaces for heating buildings, Cooling Apparatus, Preparation of Fuel, &c.
Mode of building chimneys to prevent smoking-Joseph Gilbert, Frease's P.O., Ohio, Nov. 13th.