Essay: Little Giants, The Story of a Fire Hydrant and Other Heroes
By Heather Buchanan
The patent for the fire hydrant was lost in a fire.
There is a convincing theory that Frederick Graff, Sr. invented this life-saving device in 1801. He was the Chief Engineer of the Philadelphia Water Works. He came up with the idea of replacing wood pipes with an iron pipe system. He developed 37 other waterworks throughout the United States. He served the city of Philadelphia for 42 years and a stone gazebo with a bust of him was erected at Fairmount Water Works. It seems only natural that he would be the person who invented the fire hydrant. But the proof went up in flames along with 9,957 other patents and 7,000 patent models in 1836 when the U.S. Patent Office burned to the ground. At first, the Post Office was suspected of arson. It shared the building with the Patent Office and was already under investigation for awarding dishonest mail contracts. Rumors spread that they started the fire to destroy evidence. But, since the Post Office managed to save all their documents, investigators decided it was more likely an accident caused by someone improperly storing hot ashes in a box in the basement.
There was an attempt to recover these patents by getting duplicates from the original inventors, but this process was slow-moving and expensive. The endeavor was abandoned in 1849. Only 2,845 of the lost 9,957 patent records were restored.
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