After inventing a vacuum distillation method for producing kerosene , he and business partner Hiram Bond Everest founded the Vacuum Oil Company in 1866 .
Ewing was a carpenter by trade , and also an inventor .
After inventing a vacuum distillation method for producing kerosene , Ewing and business partner Hiram Bond Everest founded the Vacuum Oil Company in 1866 .
Ewing was a carpenter by trade , and also an inventor .