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| Patents for Otto Albrecht | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 85,131 | Dec. 22, 1868 | J. Richards | Expansive-gearing for feeding-rolls | |
 | 119,922 | Oct. 17, 1871 | G.W. Fitts | Improvement in Traction Wheel | |
| 643,172 | Feb. 13, 1900 | O. Albrecht, A. Tindel | Crank Pin or Eccentric Turning Lathe | ||
| 649,374 | May 08, 1900 | O. Albrecht, A. Tindel | Metal Turning Lathe | ||
| 660,978 | Oct. 30, 1900 | O. Albrecht, A. Tindel | Crank Pin Turning Attachment for Lathes | ||