| Patents for Union Gas Engine Co. | 
| Patents 1 - 
					15
					of 17 
       | 
| Number | Date | Patentee | Title | Type | 
| 320,285 | Jun. 16, 1885 | D.S. Regan | Electric Igniter Device for Gas Engines | ignition systems | 
| 333,336 | Dec. 29, 1885 | D.S. Regan | Gas Engine | gas and gasoline engines | 
| 397,753 | Feb. 12, 1889 | D.S. Regan | Governor for Gas Engines | internal combustion engine governors | 
| 408,356 | Aug. 06, 1889 | D.S. Regan | Gas Engine | gas and gasoline engines | 
| RE11,068 | Apr. 01, 1890 | D.S. Regan | Gas Engine | gas and gasoline engines | 
| 430,504 | Jun. 17, 1890 | J.F. Daly, M.M. Barrett | Gasolene Engine | gas and gasoline engines | 
| 430,505 | Jun. 17, 1890 | M.M. Barrett, J.F. Daly | Gas Engine | gas and gasoline engines | 
| 430,506 | Jun. 17, 1890 | J.F. Daly, M.M. Barrett | Gas Engine | gas and gasoline engines | 
| 434,695 | Aug. 19, 1890 | J.F. Daly, M.M. Barrett | Gas or Vapor Engine Attachment | carburetors | 
| 442,963 | Dec. 16, 1890 | J.H. Eichler | Rotary Gas Engine | rotary engines | 
| 448,369 | Mar. 17, 1891 | D.S. Regan | Vapor Engine | gas and gasoline engines | 
| 452,174 | May 12, 1891 | M.M. Barrett | Gas Engine Attachment | ignition systems | 
| 463,435 | Nov. 17, 1891 | J.F. Daly, M.M. Barrett | Operating Mechanism for Gas Engines | gas and gasoline engines | 
| 510,879 | Dec. 19, 1893 | J.F. Daly, M.M. Barrett | Gas Engine Attachment | internal combustion engine governors | 
| 557,493 | Mar. 31, 1896 | W.L. Corson, J.F. Daly | Gas Engine | gas and gasoline engines |