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U.S. patent X1. Samuel Hopkins (December 9, 1743 – 1818) was an American inventor from Philadelphia, Pennsylvania, [1] [2] On July 31, 1790, he was granted the first U.S. patent, under the new U.S. patent statute just signed into law by President Washington on April 10, 1790.
The Patent Act of 1790 (1 Stat. 109) was the first patent statute passed by the federal government of the United States.It was enacted on April 10, 1790, about one year after the constitution was ratified and a new government was organized.
The Patent Act of 1790 was the first federal patent statute of the United States. It was titled "An Act to promote the Progress of Useful Arts." [12] The statute was concise, including only seven sections. Similar to the state statutes, the federal statute allowed the patentees a 14-year term of exclusive right to use their inventions, without ...
The First U.S. Patent Archived 2016-04-15 at the Wayback Machine, issued for a method of potash production World Agriculture and Fertilizer Markets Map Russia reaps rich harvest with potash
The first Patent Act of the U.S. Congress was passed on April 10, 1790, titled "An Act to promote the progress of useful Arts." [20] The first patent was granted on July 31, 1790 to Samuel Hopkins for a method of producing potash (potassium carbonate). The earliest law required that a working model of each invention be submitted with the ...
Historically, pearl ash was created by baking potash in a kiln to remove impurities. The fine, white powder remaining was the pearl ash. The first patent issued by the US Patent Office was awarded to Samuel Hopkins in 1790 for an improved method of making potash and pearl ash. [5]
Before this, in 1858, he had already received his first patent while working for a sugar beet factory in Staßfurt. He received this patent for having discovered a way to clean beet juice with clay soaps. The emphasis of his work was on the use of potash as an artificial fertilizer.
The first Patent Act of the U.S. Congress was passed on April 10, 1790, titled "An Act to promote the progress of useful Arts". [21] The first patent under the Act was granted on July 31, 1790, to Samuel Hopkins of Vermont for a method of producing potash (potassium carbonate). [22]