In 1864 Alexander Rider filed a patent for a Rotary Steam Engine. He then turned his interest to the promising Hot Air Engine and became a world leader in this field.
After many trials and errors Alexander Rider built one of the best and most famous Hot Air Engine (patent of 1879 and 1880).
|Year||Patent Download||Comment||Title||Engine type|
|1871||Rider patent #111,087||Improvements in Hot Air Engines|
|1871||Rider patent #111,088||Improvements in Hot Air Engines|
|1871||Rider patent #120,325||Improvements in Hot Air Engines|
|1872||Rider patent #128,979||Improvements in Hot Air Engines|
|1875||Rider patent #158,525||Improvements in Air Vacuum Engines|
|1875||Rider patent #167,568||Forerunner of the wellknown Rider Air Engine||Improvements in Air Engines|
|1878||Rider patent #206,356||Forerunner of the wellknown Rider Air Engine||Improvements in Air Engines|
|1879||Rider patent #220,309||The wellknown Rider Air Engine||Improvements in Air Engines||Closed cycle, External combustion, open furnace|
|1880||Rider patent #345,450||Improvement of the previous Engine||Air Engines|
|1880||Rider patent #Re 9,353||Reissue of patent #111,088||Air Engines|
|1880||Rider patent #Re 9,359||Reissue of patent #128,979||Hot Air Engines|
|1880||Rider patent #11,593||Improvements in Air Engines|