| All Patents in class 123/69R |
Patents 1 -
15
of 23
      |
| Number | Title | Classification(s) |
| 259,736 | Gas Engine | 123/144, 123/198R, 123/332, 123/345, 123/65VD, 123/68, 123/69R, 123/90.44, 123/90.6 |
| 279,657 | Gas Engine | 123/144, 123/198R, 123/363, 123/65VC, 123/69R, 123/74C, 123/90.61 |
| 287,897 | Gas Engine | 123/363, 123/364, 123/65VB, 123/65WA, 123/69R, 123/69V |
| 292,894 | Gas Engine | 123/143R, 123/51B, 123/66, 123/69R, 123/69V, 123/71R |
| 402,549 | Gas or Oil Engine | 123/146, 123/543, 123/61R, 123/65VB, 123/69R, 261/DIG.51 |
| 508,833 | Gas Engine | 123/51B, 123/69R, 123/69V, 123/70R |
| 528,006 | Gas Engine | 123/65V, 123/69R, 123/70R, 123/73CA |
| 541,773 | Gas Engine | 123/169R, 123/41E, 123/47R, 123/545, 123/557, 123/65V, 123/69R, 123/70R, 123/71R, 123/73CC, 123/73FA, 313/125 |
| 544,586 | Gas or Oil Engine | 123/41.1, 123/41.42, 123/41.78, 123/41R, 123/58.5, 123/65VB, 123/69R, 123/69V, 123/70R, 123/73CA |
| 548,142 | Apparatus for Working Gas or Oil Engines | 123/25D, 123/26, 123/65BA, 123/68, 123/69R, 123/69V, 123/70V |
| 563,670 | Gas, Oil or Vapor Engine | 123/255, 123/275, 123/280, 123/332, 123/47A, 123/58.4, 123/58.9, 123/65V, 123/65VB, 123/69R, 123/70V, 123/73CB, 123/73V |
| 569,564 | Gas Engine | 123/153, 123/182.1, 123/47A, 123/531, 123/69R, 123/90.39, 123/90.47 |
| 576,604 | Gas Engine | 123/69R, 123/72, 123/73C |
| 581,683 | Gas Engine | 123/58.5, 123/65V, 123/65VB, 123/69R, 123/69V, 123/71V |
| 592,033 | Explosive Engine | 123/145R, 123/346, 123/65VB, 123/67, 123/69R, 123/73A, 123/73AB, 123/73B, 123/73V |
