The Patent Filer

John St. Clair is an inventor who filed a series of extraordinary patents in the early 2000s with the U.S. Patent and Trademark Office, describing technologies that — if operable — would represent revolutionary advances in propulsion and spacetime manipulation. His filings include patents for rotating craft using electromagnetic fields, wormhole generators, and hyperspace energy extraction devices.

Unlike Salvatore Pais, whose patents were filed on behalf of the U.S. Navy, St. Clair's patents appear to have been filed as private inventions. The USPTO granted several of them despite the extraordinary nature of the claims, suggesting that at minimum the examiners could not identify prior art that rendered them obviously non-novel.

The Puzzle

St. Clair has remained almost entirely out of the public eye. His patents — which describe in technical detail systems that closely resemble theoretical UAP propulsion mechanisms — have attracted attention from researchers who argue they represent either genuine black-project technology being disclosed through the patent system, or an elaborate theoretical exercise with no practical basis. The absence of any public track record for St. Clair himself adds to the puzzle.