Legal Opinion
Westinghouse v. Boyden Power-Brake Co.
U.S. Circuit Court for the District of Maryland
Decided March 11, 1895PublishedCited by 5 opinions
This was a bill in equity by George Westinghouse, Jr., and the Westinghouse Air-IJrake Company against the Boyden Power-Brake Company, George A. Boyden, president, Charles B. Mann, secretary, and William Wliitridge, treasurer, for the infringement of a patent.
1Opinion of the Court
MORRIS, District Judge.
This is a bill in equity, in usual form, charging the defendant with infringing the Westinghouse patent No. 360,070, dated March 29, 1887, for a fluid-pressure automatic brake mechanism. The claims alleged to have been infringed by the defendant are claims 1, 2, and 4, which are as follows:
“(1) In a brake mechanism, the combination of a main air pipe, an auxiliary reservoir, a brake cylinder, a triple valve, and an auxiliary valve device, actuated by the piston of the triple valve and independent of the main valve thereof, for admitting air in the application of the…
2Cases cited10 opinions
- MacHine Co. v. MurphySupreme Court of the United States · 1878
- Morley Sewing MacHine Co. v. LancasterSupreme Court of the United States · 1889
- Keystone Bridge Co. v. Phoenix Iron Co.Supreme Court of the United States · 1877
- Keystone Manufacturing Co. v. AdamsSupreme Court of the United States · 1894
- Consolidated Safety-Valve Co. v. Crosby Steam Gauge & Valve Co.Supreme Court of the United States · 1885
5 more not listed; retrieve them via the Exa API.
3Cited by5 opinions
- Westinghouse Air-Brake Co. v. Great Northern Ry. Co.Court of Appeals for the Second Circuit · 1898
- Bowers v. San Francisco Bridge Co.U.S. Circuit Court for the District of Northern California · 1898
- Elevator Supplies Co. v. Graham & Norton Co.Court of Appeals for the Third Circuit · 1930
- Westinghouse Air-Brake Co. v. New York Air-Brake Co.U.S. Circuit Court for the District of Southern New York · 1896
- Boyden Power-Brake Co. v. Westinghouse Westinghouse v. Boyden Power-Brake Co.Supreme Court of the United States · 1898