| Patents for Alexander K. Rider |
Patents 1 -
10
of 23
      |
| Picture | Number | Date | Patentee | Title |
 | 35,176 | May 06, 1862 | A.K. Rider | Cut-Off Valve |
| | 89,344 | Apr. 27, 1869 | A.K. Rider | Pump Valve |
 | 111,087 | Jan. 17, 1871 | A.K. Rider | Hot Air Engine |
| | 111,088 | Jan. 17, 1871 | A.K. Rider | Air Engine |
| | 120,325 | Oct. 24, 1871 | A.K. Rider | Improvement in Air Engines |
| | 128,979 | Jul. 16, 1872 | A.K. Rider | Improvement in Air Engines |
| | 141,382 | Jul. 29, 1873 | A.K. Rider | Door-Hangers |
| | 158,525 | Jan. 05, 1875 | A.K. Rider | Air-Vacuum Engines |
| | 167,568 | Sep. 07, 1875 | A.K. Rider | Air Engine |
| | 180,641 | Aug. 01, 1876 | A.K. Rider | Chills for Casting |
