| Patents for Johannes Spiel |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 291,102 | Jan. 01, 1884 | J. Spiel | Gas Motor |
| | DE-30,576 | Apr. 07, 1884 | J. Spiel | Mixing and Suction Valve for Gas Engines |
 | 302,045 | Jul. 15, 1884 | J. Spiel | Gas Engine |
| | CA-24,042 | May 15, 1886 | J. Spiel | Machine á Pétrol et á Gaz |
 | 349,369 | Sep. 21, 1886 | J. Spiel | Petroleum and Gas Engine |
 | 349,464 | Sep. 21, 1886 | J. Spiel | Gas Engine |
| | DE-61,012 | Jan. 24, 1891 | J. Spiel | Self-Active Igniter |
 | DE-64,971 | Feb. 24, 1892 | J. Spiel | A Flow Valve for Gas and Petroleum |
| | DE-161,021 | Sep. 24, 1901 | J. Spiel | Vapor Burner for Liquid Fuels for lighting and Heating Purposes |
| | DE-159,045 | Aug. 23, 1903 | J. Spiel | Apparatus for Heating of Incandescent Light Vapor Lamp |
