| All Patents of Type: oil engines |
Patents 1 -
15
of 122
      |
| Number | Date | Patentee | Title | Type |
| 402,549 | Apr. 30, 1889 | S. Wilcox | Gas or Oil Engine | gas and gasoline engines |
| 425,909 | Apr. 15, 1890 | J. Roots | Petroleum Engine | oil engines |
| 433,806 | Aug. 05, 1890 | N.A. Otto | Motor Engine Worked by Oil Vapor | oil engines |
| 433,807 | Aug. 05, 1890 | N.A. Otto | Motor Engine Worked by Oil Vapor | oil engines |
| 433,808 | Aug. 05, 1890 | N.A. Otto | Apparatus for Governing Gas or Petroleum Motor Engines | oil engines |
| 433,809 | Aug. 05, 1890 | N.A. Otto | Gas or Oil Motor Engine | oil engines |
| 433,810 | Aug. 05, 1890 | N.A. Otto | Gas or Oil Motor Engine | oil engines |
| 433,811 | Aug. 05, 1890 | N.A. Otto | Gas or Oil Motor Engine | oil engines |
| 433,812 | Aug. 05, 1890 | N.A. Otto | Gas or Oil Motor Engine | oil engines |
| 433,813 | Aug. 05, 1890 | N.A. Otto | Gas or Oil Motor Engine | oil engines |
| 433,814 | Aug. 05, 1890 | N.A. Otto | Gas or Oil Motor Engine | oil engines |
| 435,439 | Sep. 02, 1890 | C.V. Lüde | Petroleum or Similar Motor | oil engines |
| 437,507 | Sep. 30, 1890 | N.A. Otto | Petroleum or Oil Motor Engine | oil engines |
| 523,511 | Jul. 24, 1894 | H. Campbell | Oil Engine | oil engines |
| 528,115 | Oct. 23, 1894 | H. Schumm | Gas or Oil Engine | gas and gasoline engines |
