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.
13. To Vidie Lucien, late of Paris, in France, but now of South Street, Finsbury, French Advocate, “improvements in conveyances on land and water.”—26th April 1850.
14. To Robert Dalgleish, of Glasgow, in the county of Lanark, in Scotland, merchant and calico printer, “certain improvements in printing, and in the application of colours to silk, cotton, linen, woollen, and other textile fabrics.”—27th April 1850.
15. To Ethian Campbell, of the city of New York, in the United States of America, philosophical, practical, and experimental engineer, “certain new and useful improvements for generating and applying motive power, and for propelling vessels.”—30th April 1850.
16. To Robert Reid, of Glasgow, in the county of Lanark, manufacturer, “certain improvements in weaving.”—3d May 1850.
17. To Maxwell Miller, of Glasgow, in the county of Lanark, coppersmith, “certain improvements in distilling and rectifying.”—3d May 1850.
18. To Thomas Keely, of the town and county of Nottingham, manufacturer, and William Williamson, of the same place, frame-work knitter, “certain improvements in looped or elastic fabrics, and in articles made therefrom; also certain machinery for producing the said improvements, which is applicable in whole or in part to the manufacture of looped fabrics generally.”—8th May 1850.
19. To Peter Armand Le Comte Moreau Fontaine, of 4 South Street, Finsbury Square, in the county of Middlesex, patent agent, “certain improvements for the production of heat and light, which improvements are applicable to ventilation, and the prevention of explosions,” being a communication.—9th May 1850.
20. To Ethian Baldwin, of the city of Philadelphia and State of Pennsylvania, in the United States of America, “a new and useful method of generating and applying steam in propelling vessels locomotive, and stationary machinery.”—9th May 1850.
21. To Jacob Cannon, of Hyde Park, in the county of Middlesex, gentleman, “improvements in melting, moulding, and casting sand, earth, and other substances for paving, building, and various other useful purposes.”—20th May 1850.