1. To JAMES HIGGINS, of Salford, in the county of Lancaster, machine maker, and THOMAS SHOWFIELD WHITWORTH, of Salford aforesaid, "improvements in machinery for preparing, spinning, and doubling cotton, wool, flax, silk, and similar fibrous materials."--22d March 1850. 2. To FRANCAIS VOUILLON, of Princes Street, Hanover Square, in the county of Middlesex, manufacturer, "improvements in the manufacture of hats, caps, bonnets, and other articles made of the same or similar materials."--26th March 1850. 3. To WILLIAM EDWARD NEWTON, of the Office for Patents, 66 Chancery Lane, in the county of Middlesex, civil engineer, "improvements in the manufacture of knobs of doors, articles of furniture, or other purposes, and in connecting metallic attachments to articles made of glass, or other analogous materials."--26th March 1850. 4. To JONATHAN CHARLES GOODALL, of Great College Street, Camden Town, in the county of Middlesex, card-maker, "improvements in machinery for cutting paper."--27th March 1850. 5. To CHARLES FELTON HAILSMAN, of Argyle Street, in the county of Middlesex, gentleman, "improvements in machinery for spinning or twisting cotton, wool, or other fibrous substances."--28th March 1850. 6. To ROBERT MILLIGAN, of Harden, near Bingley, in the county of York, manufacturer, "an improvements mode of treating certain floated warp, or welt, or both, for the purpose of producing ornamented fabrics."--28th March 1850. 7. To ROBERT WHITE, and JAMES HENDERSON GRANT, both of Dalmarnock Road, Glasgow, North Britain, engineers, "certain improvements in machinery, or apparatus to be used in mines, which improvements, or parts thereof, are also applicable to other purposes of a similar nature."--11th April 1850. 8. To WILLIAM M'LARDY, of Manchester, gentleman, "certain improvements in machinery or apparatus for preparing and spinning cotton and other fibrous substances."--15th April 1850. 9. To JOHN SCOFFERN, of Essex Street, in the county of Middlesex, M. B., "improvements in the manufacture and refining of sugar, and in the treatment and use of matters obtained in such manufacture, and in the construction of valves, and in such and other manufacture."--17th April 1850. 10. To JAMES BUCK WILSON, of St Helens, in the county of Lancaster, rope-maker, "certain improvements in wire ropes."--22d April 1850. 11. To THOMAS SYMES PRIDEAUX, of Southampton, gentleman, "improvements in puddling, and other furnaces."--26th April 1850. 12. To CHARLES COWPER, of Southampton Buildings, Chancery Lane, in the county of Middlesex, "certain improvements in the treatment of coal, and in separating coal and other substances from foreign matters, and in the artificial fuel and coke, and in the distillation and treatment of tar and other products from coal, together with improvements in the machinery and apparatus employed for the said purposes," being a communication.--26th April 1850.