| Patents for Harry C. Clay |
Patents 16 -
30
of 57
      |
| Number | Date | Patentee | Title | Type |
| 737,209 | Aug. 25, 1903 | H.C. Clay | Detachable Fuel Box for Traction Engines | steam traction engines |
| 738,162 | Sep. 08, 1903 | H.C. Clay | Belt Tightener for Traction Engines | power takeoff apparatus |
| 738,884 | Sep. 15, 1903 | H.C. Clay | Detachable Trunnion and Supplemental Wheel for Traction Engines | traction engine wheels |
| 741,042 | Oct. 13, 1903 | H.C. Clay, J.N. Kailor | Quick Release Belt Tightener | industrial machine pulleys and belt drive mechanisms |
| 764,658 | Jul. 12, 1904 | H.C. Clay | Spark Arresting Smoke Stack | traction engine spark arresters |
| 795,269 | Jul. 25, 1905 | H.C. Clay | Belt Guide | industrial machine pulleys and belt drive mechanisms |
| 797,557 | Aug. 22, 1905 | H.C. Clay | Power Steering Gear for Traction Engines | traction engine steering apparatus |
| 813,037 | Feb. 20, 1906 | H.C. Clay | Throttling Governor | steam engine governors |
| 816,218 | Mar. 27, 1906 | H.C. Clay | Coupling | traction engine couplings |
| 845,759 | Mar. 05, 1907 | H.C. Clay | Sand Cap for Wheel Hubs | traction engine wheels |
| 849,530 | Apr. 09, 1907 | H.C. Clay | Pump | piston pumps |
| CA-107,236 | Sep. 03, 1907 | H.C. Clay | Gang Plough | plows |
| CA-107,344 | Sep. 03, 1907 | H.C. Clay | Pompe | pumps |
| 901,070 | Oct. 13, 1908 | H.C. Clay | Gearing | piston pumps |
| 904,407 | Nov. 17, 1908 | H.C. Clay | Steering Gear | traction engine steering apparatus |
