Philander Shaw has been an early inventor.
His first working engine built in 1854 had still to know improvements. But very soon in 1861 he built a solid air engine that proved to become a reference.
But his master invention has been his 1869 engine.
|1854||Shaw patent #10,868||Air Engine|
|1860||Shaw patent #RE1,014||Reissue of patent #10,868||Improvement in Air Engine|
|1861||Shaw patent #32,455||Hot Air Engine|
|1861||Shaw patent #33,497||Improvement in utilizing the exhaust of Caloric Engines|
|1861||Shaw patent #33,799||Improvement in Hot Air Engines|
|1869||Shaw patent #90,128||Improvement in Hot Air Engines|
|1869||Shaw patent #RE3,313||Reissue of patent #90,128||Hot Air Engine|