1. The using of a series of lamps for night signals, and by the different combinations of the lamps when exposed, or when closed, to communicate from a train of carriages to a station, or from a station to a train, or from one train to another.
2. The giving signals by day, by combining the use of a series of thin plates, presenting some edgeways and others flatways, and in combining in various ways.
16th Dec. 1841. C. E. Austin. Apparatus for what is commonly called changing the line of railways.
16th Dec. 1841. W. Prowett. Improvements in giving signals on railways.
A mode of communicating by signals to a passing train, of the time since the previous train passed; the apparatus by which this information is given being set in motion by each successive train as it passes by it, thus avoiding the probability of one train running into the preceding one, at night, or in foggy weather.
15th Feb. 1842. T. R. Crampton and J. C. Hadden. Improvements in engines and railway carriages.
6th April, 1842. J. G.S. Clarke. Improvements in supplying and regulating air to the furnaces of locomotive engines.
21st June, 1842. John Dickinson. Improvements in rotatory engines and boilers in stopping railway carriages, and in machinery for propelling vessels, part of which improvements are applicable to propelling air and gases.
16th July, 1842. R.Benton. Certain improvements in propelling, retarding, and stopping carriages on railroads.
3d Aug. 1842. John Lee. Improvements in wheels and axletrees, to be used on railways and in machinery, for stopping on, or preventing such carriages from running off railways, which improvements may also be applied to other carriages and machinery.
31st Aug. 1842. C. F. Giutard. Certain improvements in the construction of railway's.
16th Sept. 1842. W.H.James. Certain improvements in railways, and in carriage ways, railway and other carriages, and in the mode of propelling the said carriages, parts of which improvements are applicable to the reduction of friction in other machines.
2bth Nov. 1842. P.T. Ralli. Improvements in the construction of railway and other carriages, and in apparatus connected therewith.
3d Dec. 1842. C. H. Wild. Improved switch for railway purposes. Causing the moveable rails to move through certain different degrees of space (although actuated by one lever), so as to be perfectly in gauge, when opened for diverging lines, and quite safe.
22d Dec. 1842. James Morris. Improvements in locomotive and other steam engines.
Expansive slide valve.
29th Dec. 1842. Baron V. de Wydriff. Improvements in the construction of railways, and in wheels to run on railways, and in apparatus for clearing rails.
11m Jan. 1843. C. Bailey. Certain improved constructions of rails for tramways and railways.
26th Jan. 1843. F. M. Getrick and M. R Tennant. Improvement in apparatus for preventing the engines and carriages from going off the line of railways, and for removing obstructions on railways.
2lst Feb. 1843. L. H. Potts. Improved method or methods of conveying goods, passengers, or intelligence.
7th April, 1843. R. and W. Hawthorne. Certain improvements in locomotive engines, part of which are applicable to other steam engines.
Improved apparatus, denominated "an auxiliary expansion slide frame," for working locomotive engines expansively 20th April, 1843. J. G. Bodmer. Certain improvements in locomotive engines and carriages, to be used upon railways, in marine engines and vessels, and in the apparatus for propelling the same, and also in stationary engines, and in apparatus connected therewith, for pumping water, raising bodies, and for blowing or exhausting air.
22d June, 1843. L. la Paige. Certain improved method or methods for preventing accidents on railways.
22d June, 1843. Samuel Ellis. Improvements in weighing machines, and in turn-tables to be used on, or in connexion with, railways, and in weighing machines, to be used in other situations.
17th Aug. 1843. F. Lipscombe. For an hydrostatic engine, parts whereof are applicable as improvements to other engines, and other purposes, and also improvements in railway carriages. - Described at page 472.
8th Feb. 1844. W. Newton. Improvements in propelling on railways.- Described at page 507
24th Feb. 1844. John Aitken. Improvements in atmospheric railways.
Producing a vacuum in the traction pipe, by filling it with water, and carrying off such water by eduction pipes descending about 35 feet below the traction pipes, with their ends immersed in water also; in rendering the longitudinal valve of the traction pipe air tight, by keeping it covered with water.
19th March, 1844. H. Inglis. Improvements upon locomotive steam engines, whereby a saving of fuel will be effected, which improvements are applicable to steam vessels, and other purposes, and to the increasing the adhesion of the wheels of railway engines, carriages, and tenders upon the lines of railways.
30th April, 1844. J. Samuda, and J. A. Samuda. Certain improvements in the manufacturing, and arrangement of parts and apparatus, for the construction and working of atmospheric railways.
30th April, 1844. John Melville. Improvements in the construction and modes of working railways.