The earliest glass vacuum pots appear to have been in use in Germany by the 1830’s,
as witnessed by a patent filed in France by Mme. Jeanne Richard in 1838.
This patent shows a design which which referenced an existing vacuum pot by Loeff of Berlin. The popularity of the vacuum coffee pot spread quickly from Germany to other parts of Europe, as evidenced by patents filed by Louis François Boulanger in France (1835) and Mority Platow and James Vardy in England (1839).The best way to make coffee!!