Displaying results 21 of 40 - 48
| Date | Innovation Sort descending | City | State | Country | Society |
|---|---|---|---|---|---|
| 1697 | Frankford Avenue Bridge | Philadelphia | PA | USA | ASCE |
| 1910 | Fritz Engineering Laboratory | Bethlehem | PA | USA | ASCE |
| 1949 | Garfield Thomas Water Tunnel | State College | PA | USA | ASME |
| 1956 | GE Re-entry Systems | Philadelphia | PA | USA | AIAA |
| 1847-1854 | Horseshoe Curve | Altoona | PA | USA | ASCE |
| 1959 | Invention of COBOL Programming by Grace Murray Hopper | Lock Haven | PA | USA | SWE |
| 1891 | Johnstown Incline | Johnstown | PA | USA | ASME |
| 1929 | Kaplan Turbine | Muhlenberg | PA | USA | ASME |
| 1882 | Kinzua Railway Viaduct | McKean County | PA | USA | ASCE |
| 1962 | Legacy of Rachel Carson’s Silent Spring | Pittsburgh | PA | USA | ACS |
| 1937 | Mellon Institute of Industrial Research, Carnegie Mellon University | Pittsburgh | PA | USA | ACS |
| 1938–1945 | Mexican Steroid Hormone Industry | University Park | PA | USA | ACS |
| 1870 | Monongahela Incline | Pittsburgh | PA | USA | ASME |
| 1937 | New Holland Baler | New Holland | PA | USA | ASABE |
| 1943 | Penn. RR GG1 Electric Locomotive #4800 | Strasburg | PA | USA | ASME |
| 1940 | Pennsylvania Turnpike (Old Section) | Harrisburg | PA | USA | ASCE |
| 1901 | Philadelphia City Hall | Philadelphia | PA | USA | ASCE |
| 1801 | Philadelphia Municipal Water Supply | Philadelphia | PA | USA | ASCE |
| 1973 | Pierce-Donachy Ventricular Assist Device | Hersjey | PA | USA | ASME |
| Pitcairn Field #2 | Horsham | PA | USA |
