Patents for G. H. Christy |
Patents 1 -
11
of 11
|
Number | Date | Patentee | Title | Type |
85,110 | Dec. 22, 1868 | J. Lippincott | Making Axes | axes |
88,929 | Apr. 13, 1869 | G. Westinghouse, Jr. | Improvement in steam-power-brake devices | railroad car brakes |
RE3,454 | May 25, 1869 | P. Crosby | Improvement in hanging reciprocating saws | reciprocating sawmills |
115,667 | Jun. 06, 1871 | G. Westinghouse, Jr. | Improvement in steam-power car-brake apparatus | railroad car brakes |
117,841 | Aug. 08, 1871 | G. Westinghouse, Jr. | Improvement in steam-power air-brake devices | railroad car brakes |
134,815 | Jan. 14, 1873 | C. Muschar | Improvement in mortising-machines | mortising machines |
138,828 | May 13, 1873 | G. Westinghouse, Jr. | Improvement in rotary valves for steam-engines | steam engines |
RE5,505 | Jul. 29, 1873 | G. Westinghouse, Jr. | Improvement in steam-power air-brake devices | |
RE5,506 | Jul. 29, 1873 | G. Westinghouse, Jr. | Improvement in steam-power car-brake apparatus | railroad car brakes |
141,225 | Jul. 29, 1873 | C.W. Hubbard | Improvement in saw-buckles | reciprocating sawmills |
162,782 | May 04, 1875 | G. Westinghouse, Jr. | Improvement in governors for steam-engines | steam engine governors |