1900—Charles Morgan, Freeport, Ill., is granted a United States patent on a glass-jar coffee mill, with removable glass measuring cup.
1900—R.F.E. O'Krassa, Antigua, Guatemala, is granted an English and a United States patents on machines for shelling and drying coffee.
1900—Chemically purified and neutralized rosin as a glaze (harz-glasur) for roasted coffee, designed to keep it fresh and palatable, is first discovered and applied in Germany.
1900—Charles Lewis is granted a United States patent on his Kin Hee filter coffee pot.
1900–1901—A new era in coffee is inaugurated when Santos permanently displaces Rio as the world's largest source of supply.
1901—Kato's soluble coffee is put on the United States market by the Kato Coffee Company at the Pan-American Exposition in Buffalo.
1901—American Can Co. begins the manufacture and sale of tin coffee cans in the United States.
1901—Improved all-paper cans for coffee (made of strawboard or chip-board, plain or manila-lined) are introduced into the United States market by J.H. Kuechenmeister of St. Louis.
1901—The first issue of The Tea and Coffee Trade Journal, devoted to the interests of the tea and coffee trades, appears in New York.
1901—Coffee cultivation is introduced into British East Africa from Réunion Island.