| Patents for Joseph W. Thompson  | 
			    	Patents 1 - 
					6
					of 6
        | 
| Number | Date | Patentee | Title | Type | 
| 162,714 | Apr. 27, 1875 | J.W. Thompson | Balanced and Cut-Off Valve |  | 
| 167,364 | Aug. 31, 1875 | J.W. Thompson | Indicator for Steam Engines | steam engine indicators | 
| RE8,434 | Sep. 24, 1878 | J.W. Thompson | Improvement in Balanced and Cut-Off Valves |  | 
| 244,094 | Jul. 12, 1881 | J.W. Thompson | Cylinder for steam-engine indicators | steam engine indicators | 
| 314,353 | Mar. 24, 1885 | J.W. Thompson | Steam Engine Governor | steam engine governors | 
| 886,021 | Apr. 28, 1908 | J.W. Thompson | Engine Indicator | steam engine indicators |