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| All Patents in class 254/11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 104,790 | Jun. 28, 1870 | O. Taff | Improvement in floor-clamp | floor clamps | |
| 164,881 | Jun. 22, 1875 | E. Sloan | Improvement in planking-sets for ship-carpenters | shipwright | |
| 1,266,253 | May 14, 1918 | E. Hakanson | Floor Set | ||