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| All Patents in class 123/80BB | |||||
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| Picture | Number | Date | Patentee | Title | |
| 462,447 | Nov. 03, 1891 | A. Janiot, P. Niel | Gas Motor | ||
 | 473,685 | Apr. 26, 1892 | C.W. Weiss | Gas Engine | |
| 578,377 | Mar. 09, 1897 | J. Walrath | Explosive Engine | ||
| 584,960 | Jun. 22, 1897 | C. Quast | Explosive Engine | ||
| 588,876 | Aug. 24, 1897 | C. Quast | Gas Engine | ||
| 657,810 | Sep. 11, 1900 | W.E. Cary | Gas Engine | ||
| 663,091 | Dec. 04, 1900 | A.D. Garretson | Gas Engine | ||