| Patents for H. Yates |
Patents 1 -
4
of 4
      |
| Number | Date | Patentee | Title | Type |
| XC-784 | Oct. 12, 1857 | H. Yates | Improvement in the fire box of the boilers of locomotives, or other steam engines | stationary boilers |
| XC-785 | Oct. 12, 1857 | H. Yates | Improvement in the consumption of sparks and parts of unconsumed fuel in locomotives and other steam engines | steam locomotives |
| XC-790 | Nov. 06, 1857 | H. Yates | Improved perforated fire grate, feed water heater and damper combined, for locomotives and other steam engines | steam engines |
| XC-840 | Jun. 08, 1858 | H. Yates | Improvements in the wing rails of railway carriages | railroad cars and carriages |
