Title |
Primary Class |
Description |
Inventor |
Assignee |
Issue Date |
Patent No. |
Improvement in steam-power-brake devices |
303/48 |
Power car-brake for railways-cars to be operated by compressed air, or other compressible fluid, with the use of an auxiliary engine for compressing the air into the reservoir from which it is conducted by pipes and applied to operating the brakes, via brake-cylinders and pistons, attached to each car. |
George Westinghouse, Jr. |
___ |
April 13, 1869 |
US0088929 |
Improvement in atmospheric car-brake pipes |
137/614.04 |
For railways atmospheric car brakes (vacuum brakes); ease in coupling and uncoupling the pipes; a union when they are coupled together sufficiently firm to resist an ordinary strain, but still not so firm but that if a car leaves the track, the pipe coupling may also separate without injury or damage. |
George Westinghouse, Jr. |
___ |
November 29, 1870 |
US0109695 |
Improvement in steam-power car brake apparatus |
303/68 |
A steam siphon pump to enable the brake piston to be drawn back immediately without any delay when the brake is released by the brakeman and the brake shoe is released or let off, immediately, as desired (improvement on patent 88929). |
George Westinghouse, Jr. |
___ |
June 6, 1871 |
US0115667 |
Improvement in valve devices for steam-power air-brake couplings |
251/149.1 |
Valve devices for coupling pipes of steam-power air-brakes of railway cars (improvement of patent No. 88929, 109695) |
George Westinghouse, Jr. |
___ |
July 4, 1871 |
US0116655 |
Improvement in steam-power air-brake devices |
188/153R |
improvement on patent No. 88929 |
George Westinghouse, Jr. |
___ |
August 8, 1871 |
US0117841 |
Improvement in relief valves for steam air-brake cylinders |
303/69 |
Letting the air escape suddenly and rapidly from the brake cylinder, so that the brake shall be let off with equal suddenness and rapidity (see also patent No. 115667) |
George Westinghouse, Jr. |
___ |
March 5, 1872 |
US0124403 |
Improvement in steam-power and air-brake signals |
246/168 |
A double line of brake-pipes to ensure functionality in case of damage to one of them. In case, when a car disconnects by accident air will be admitted freely to the brake cylinders; the conductor and engineer may communicate signals or orders to each other by the use of the brake pipes and compressed air. |
George Westinghouse, Jr. |
___ |
March 5, 1872 |
US0124404 |
Improvement in steam air-brakes |
303/28 |
Improvement in steam-power air-brakes for railway use. Providing each car (carriage) with an auxiliary air reservoir which shall be filled from the main reservoir and which can be used independently for each car. |
George Westinghouse, Jr. |
___ |
March 5, 1872 |
US0124405 |
Improvement in steam and air-brakes |
303/28 |
Improvements on patent No. 124404, 124405 (Mistakenly, they are referenced as 122404 and 122405) |
George Westinghouse, Jr. |
___ |
December 24, 1872 |
US0134177 |
Improvement in steam and air brakes |
188/200 |
Taking up automatically the slack motion caused by the wearing of the brake shoe of railway cars |
George Westinghouse, Jr. |
___ |
December 24, 1872 |
US0134178 |
Improvement in steam-power-brake couplings |
285/71 |
Improvement in air-brake-coupling wherein each half shall have male and female parts of the next coupling. With couplings so made, there will be no occasion to branch the pipes, and the half coupling on either end of either car will couple onto any other half-coupling on the train. (improvement on patent No. 117841) |
George Westinghouse, Jr. |
___ |
March 11, 1873 |
US0136631 |
Improvement in valve device for steam and air-brakes |
303/33 |
An improved triple valve that enables the flow of air or other fluids into reservoirs connected to each railway carriage - a continuous pressure of air in the brake pipe is kept open to each reservoir and closed to the brake cylinder but kept open from the latter to the external atmosphere. |
George Westinghouse, Jr. |
___ |
May 13, 1873 |
US0138827 |
Improvement in steam-power air-brake devices |
188/153R |
Reissue of patent No. 117841 |
George Westinghouse, Jr. |
___ |
July 29, 1873 |
RE5505 |
Improvement in valve devices for fluid brakes |
303/33 |
An improved triple valve that enables the regulated flow of air or other fluids into reservoirs connected to each railway carriage and by that enables any degree of brake force applied less than the maximum possible. |
George Westinghouse, Jr. |
___ |
August 12, 1873 |
US0141685 |
Improvement in steam and air brakes |
303/28 |
Improvement of valves pipes and apparatus, whereby compressed air could be made to operate brakes and communicate signals in railway train. Improvements on patent No. 124404, 124405, 117841 (Mistakenly, the first two are referenced as 122404 and 122405) |
George Westinghouse, Jr. |
___ |
October 28, 1873 |
US0144006 |
Improvement in slack-taking-up apparatus for steam and air brakes |
188/200 |
Improvement in the taking-up apparatus (improvement on patent No. 134178) |
George Westinghouse, Jr. |
___ |
November 11, 1873 |
US0144582 |
Improvement in valves for fluid brake pipes |
303/33 |
Improved triple valve with combination of a leak-valve (improvement of patent No. 141685) |
George Westinghouse, Jr. |
___ |
April 21, 1874 |
US0149901 |
Improvement in tripping apparatus for air brakes |
246/171 |
Improvement in apparatus for automatically applying the brakes to the wheels of railway cars (improvement on patent No. 124404) |
George Westinghouse, Jr. |
___ |
October 27, 1874 |
US0156323 |
Improvement in automatic air escape for railway air brakes |
303/69 |
Immediate escape of the compressed air from the brake cylinder after it has done its work instead of passing it back to the three way cock on the locomotive |
Walter J. Ford; George Westinghouse, Jr.; Thomas W. Welsh |
___ |
April 27, 1875 |
US0162465 |
Improvement in air valves for power brakes |
303/33 |
The improvement is particularly designed for use as part of a system of brake apparatus known as “Westinghouse Automatic Brake” and consists improvements of compressed air regulated flow both as to direction and amount to and from the air reservoir and brake cylinders. |
George Westinghouse, Jr. |
___ |
October 5, 1875 |
US0168359 |
Improvement in air-brake valves |
303/33 |
Improvement on patent No. 168359 |
George Westinghouse, Jr. |
___ |
January 11, 1876 |
US0172064 |
Improvement in railway air-brake apparatus |
303/32 |
This improvement relates to automatic or safety brakes. Each brake cylinder is, while the brakes are off, kept with compressed air at the same density or degree of compression as the brake pipe and air reservoir, but on reduction of such pressure on one side of the piston the equilibrium shall be destroyed and the brake will be applied by the action of the compressed air from the reservoir. |
George Westinghouse, Jr. |
___ |
April 22, 1879 |
US0214603 |
Improvement in fluid-pressure brake apparatus |
303/129 |
Additions to fluid pressure brake apparatus, whereby it is rendered more effective and uniform and regular in its action by connecting an escape valve, to the conduit pipes, which operates automatically according to the train speed when the brakes are applied. |
George Westinghouse, Jr. |
___ |
August 5, 1879 |
US0218149 |
Improvement in regulating-valves for automatic brakes |
303/33 |
Improvement in triple valve for fluid pressure automatic brakes for railways trains (improvement on patents No. 168359, 172064) |
George Westinghouse, Jr. |
___ |
October 14, 1879 |
US0220556 |
Air-brake apparatus |
243,415 |
The two systems of air-brake apparatus known as the “Westinghouse Compressed Airbrake” and the “Westinghouse Automatic-Brake” may be combined in use and operation at the same time and on the same train. |
George Westinghouse, Jr. |
___ |
June 28, 1881 |
US0243415 |
Air-brake-strainer attachment |
55/419 |
To prevent dust, dirt and iron filings from the triple valve. |
George Westinghouse, Jr. |
___ |
August 2, 1881 |
US0245109 |
Air-brake pressure-regulator |
303/79 |
The entire escape of compressed air from the supply of several brake cylinders may be prevented or only a portion of the brake-pressure be exhausted, so when recharging the several auxiliary air reservoirs, the brakes cannot be entirely released, and the remaining pressure will be enough in order to prevent the train from passing, dangerously, out of the control of the engineer. |
George Westinghouse, Jr. |
___ |
January 9, 1883 |
US0270528 |
Fluid pressure regulator |
251/28 |
Fluid pressure regulator for use in air-brake apparatus, for the purpose of regulating steam supply to the air pumps by means of the air pressure in the main reservoir or in the brake pipe. |
George Westinghouse, Jr. |
___ |
June 26, 1883 |
US0280269 |
Fluid pressure automatic brake mechanism |
303/39 |
A novel combination of a brake-pipe, auxiliary reservoir, and brake cylinder; a direct connection from the brake pipe to the brake cylinder |
George Westinghouse, Jr. |
___ |
March 29, 1887 |
US0360070 |
Fluid pressure automatic brake mechanism |
303/39 |
The application of brakes with great rapidity and full force when required. |
George Westinghouse, Jr. |
___ |
January 24, 1888 |
US0376837 |
Fluid Meter |
73/238 |
A meter in which only a comparatively small percentage of the pressure of the fluid to be measured is required to actuate the measuring devices and in which the movement of the measuring-receptacles is continuous and progressive to prevent a complete stop or change of direction which is ordinarily involved in meters of the class employing reciprocating parts. |
George Westinghouse, Jr.; Chauncey N. Dutton |
___ |
March 26, 1889 |
US0400420 |
Fluid pressure automatic-brake mechanism |
303/29 |
The employment of either of two fluid-pressure conducting-pipes, which transmit fluid under relatively high and low pressure, respectively, as a train-brake pipe and a train signaling pipe for the performance of the function of the other and vice versa, when such change my become requisite. |
George Westinghouse, Jr. |
___ |
April 8, 1890 |
US0425059 |
Fluid pressure automatic brake |
303/68 |
Controlling the movement of trains when descending long and heavy grades, by automatically effecting a release of pressure in the brake cylinders by and in accordance with outwards or forwards movements of the draw-bar resultant from the draft from the engine hauling the train. |
George Westinghouse, Jr. |
___ |
October 7, 1890 |
US0437740 |
Fluid pressure automatic-brake |
303/2 |
Use on high speed and express trains to provide a double brake system when its ordinary fluid-pressure automatic- brake system may in cases of emergency or running at exceptionally high speeds be reinforced or increased by that of a supplemental auxiliary brake apparatus which can replace the ordinary system in case of dysfunction. |
George Westinghouse, Jr. |
The Westinghouse Air Brake Company, Pennsylvania |
August 23, 1898 |
US0609484 |
Pipe coupling device |
285/68 |
Hand operated pipe couplings for connecting up air, steam, and other pipes between cars on railway trains - pipe coupling comprising two counterpart heads or half sections each having lateral port openings and flanges with locking ribs. |
George Westinghouse, Jr. |
The Westinghouse Air Brake Company, Pennsylvania |
June 3, 1913 |
US1063755 |
Patents Predating George Westinghouse |
Title |
Primary Class |
Description |
Inventor |
Assignee |
Issue Date |
Patent No. |
Improvements to steam locomotive carriages |
-- |
A simple steam cylinder and piston which rod is connected through a system of levers to a cam brake |
Robert Stephenson |
___ |
October 7, 1833 |
GB6484 |
Mode of connecting pipes from steam-brakes |
137/349 |
Improvement in the connection between the pipes which convey the steam or air under the cars to operate on pistons connected to several brakes. Whereby the disconnected ends of the pipes are always caused to be closed, but when the pipes are connected there is always an open communication between them. |
Wendell Wright |
___ |
January 16, 1855 |
US0012263 |
Improvement in railroad brakes |
303/12 |
Atmospherical railway car brake (vacuum brake) |
Nehemiah Hodge |
___ |
June 12, 1860 |
US0028670 |