| All Patents in class 123/67 |
Patents 1 -
15
of 17
      |
| Number | Title | Classification(s) |
| 286,030 | Gas Engine | 123/149R, 123/156, 123/179.5, 123/195HC, 123/53.1, 123/65VD, 123/66, 123/67, 123/68, 123/74B, 261/80, 310/70R |
| 289,693 | Gas Engine | 12/128R, 123/193.1, 123/54.2, 123/65VD, 123/668, 123/67, 123/68, 123/74C, 92/113 |
| 306,339 | Electrical Igniting Device for Gas Engines | 123/156, 123/363, 123/65VD, 123/65WA, 123/67, 123/68, 123/74B |
| 312,497 | Gas Engine | 123/144, 123/65VD, 123/67, 123/70V, 123/90.24, 123/90.26, 123/90.61 |
| 407,320 | Gas Engine | 123/67, 123/74AA, 92/220 |
| 407,321 | Gas Engine | 123/67, 123/74AA |
| 415,446 | Hydrocarbon or Gas Engine | 123/146, 123/195A, 123/429, 123/65VB, 123/67, 123/69V, 123/72 |
| 580,446 | Petroleum Engine | 123/253, 123/65R, 123/65VB, 123/67, 123/73C, 123/73CA |
| 582,073 | Gas or Oil Engine | 123/298, 123/47R, 123/532, 123/557, 123/65VB, 123/67, 123/69V, 123/70V, 123/71V, 123/73CA, 123/73CC |
| 592,033 | Explosive Engine | 123/145R, 123/346, 123/65VB, 123/67, 123/69R, 123/73A, 123/73AB, 123/73B, 123/73V |
| 618,638 | Explosive Motor | 123/51B, 123/67, 123/72 |
| 620,941 | Explosive Engine | 123/145R, 123/196R, 123/255, 123/65VB, 123/67, 123/69V, 123/71R, 123/71V, 123/73AB, 123/73CC, 184/55.1 |
| 640,675 | Explosive Engine | 123/65R, 123/65V, 123/65VB, 123/67, 123/73CC, 123/73V |
| 714,853 | Gas or Vapor Engine | 123/188.2, 123/21, 123/324, 123/65VB, 123/67, 123/79R, 123/90.31, 137/630.22 |
| 924,856 | Oil or Gas Engine | 123/274, 123/288, 123/65R, 123/65VB, 123/67, 123/73B, 123/73BA, 123/73V |
