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121:. In addition, the region's first dry-docks were built in McKeesport in 1836 to repair river craft, thus offering Tassey a natural environment for inventing improvements in marine technology. In only four years, from 1876 to 1880, she would earn five patents—all related to marine technology and propulsion systems in spite of the history of the invention field in 1880 when "women comprised a scant 1-2% of all patent recipients."
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in Ohio and was a teacher in the McKeesport School prior to being married to
William D. Tassey a lawyer, in 1845. They had three children but her husband died unexpectedly in 1857 while on a trip to Tennessee, so Tassey returned to teaching in the public schools in
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They include improved apparatus for raising sunken vessels, improvements in siphon propeller pumps and a dredging machine. Tassey was one of a small group of women during the nineteenth century who specialized in machine inventions.
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during the 1870s when Tassey began inventing in earnest. Due largely to the dominant influence of the local steel mill works and supporting industries, river traffic was brisk, carrying coal, ore,
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Emily Evans
Rowland was born on December 15, 1823, to a father who was a merchant and owner of a textile mill, a general store and a post office in the town of McKeesport, located east of
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in 1893, Tassey exhibited two of her inventions, improvement in siphon propeller-pumps, 1876, and the siphon propeller-pump inventions, 1880
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and finished-steel products. In addition steamboats carried cargo and passengers from McKeesport downriver to the
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The
Historical World's Columbian Exposition and Guide to Chicago and St. Louis, the Carnival City of the World
77:. Tassey earned patents for five inventions, all related to marine propulsion technology from 1876 to 1880.
364:, Tassey, Emily E., "Improvement in apparatus for raising sunken vessels", issued 1876-07-25
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and McKeesport. It is possible she turned to invention as a means to support herself and her children.
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297:"UC San Diego Celebrates Hidden History of US Innovation with Exhibit of 19th Century Patent Models"
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402:, Tassey, Emily Evans, "Improvement in propulsion of vessels", issued 1876-12-05
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Tassey's patented Model-Improvement in
Propulsion of Vessels, 1876, Patent Number 184,997,
383:, Tassey, Emily E., "Improvement in siphon propeller-pumps", issued 1876-12-05
205:, August 3, 1880, Patent number: 230,723, Hagley Museum and Library, Wilmington, Delaware.
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421:, Tassey, Emily E., "Improvement in dredging-machines", issued 1876-12-05
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440:, Tassey, Emily E., "Siphon propeller-pump", issued 1880-08-03
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Unfortunately, Tassey did not gain wealth of fame in her lifetime.
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261:. New Burnswick, NJ: Rutgers University Press. p. 343.
229:"Inventor Emily Evans Tassey and The Hunt for Red October"
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Improvement in apparatus for raising sunken vessels, 1876
285:. McKeesport, PA: Nicholson Printing. 1910. p. 326.
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Old Home Week: McKeesport, Pennsylvania, July 3-9 1910
73:(née Rowland, 1823 –1899) was a 19th century American
138:Tassey died on November 27, 1899. She is buried in
93:, Pennsylvania. Emily was educated as a teacher at
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105:Her McKeesport hometown was a booming port on the
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187:, December 5, 1876, Patent number: 184,997,
165:Improvement in siphon propeller-pumps, 1876
168:Improvement in propulsion of vessels, 1876
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338:"The McKeesport and Versailles Cemetery"
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171:Improvement in dredging machines, 1876
140:The McKeesport and Versailles Cemetery
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185:Improvement in Propulsion of Vessels
259:Mothers and Daughters of Invention
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197:Patent illustration, application
497:19th-century American educators
482:19th-century American inventors
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326:. Pacific Publishing Company.
320:Morgan, Horace Hills (1892).
142:in McKeesport, Pennsylvania.
227:Cascio, Chris (2021-08-16).
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174:Siphon propeller-pump, 1880
117:and onward to ports on the
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233:Hagley Museum and Library
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472:American women inventors
257:Stanley, Autumn (1993).
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203:Siphon Propeller-Pump
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95:Steubenville Seminary
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33:Emily Evans Rowland
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71:Emily Evans Tassey
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64:Inventor, Teacher
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36:December 15, 1823
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467:1899 deaths
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179:Collections
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347:2021-11-30
306:2023-08-23
238:2021-11-11
210:References
115:Ohio River
100:Pittsburgh
91:Pittsburgh
438:US 230723
419:US 184998
400:US 184997
381:US 184996
362:US 180286
85:Biography
75:inventor
157:Patents
130:Chicago
124:At the
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45:Died
29:Born
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