"On October 1, 2004, Marlin Pohlman filed a patent application for a gravity distortion time machine based on the schematics and descriptions provided by everyone’s favorite alleged time traveler, John Titor.
The patent, titled Method of gravity distortion and time displacement, described a “technical time displacement device,” which operated through the “modification of gravitational fields.” To form the patent, in his own words, Pohlman “reverse engineered” the information and diagrams that John Titor shared during his brief stint on various online forums from 2000-2001."
https://www.strangerdimensions.com/2014/07/24/john-titor-method-gravity-distortion-time-displacement-patent/
"A method for employing sinusoidal oscillations of electrical bombardment on the surface of one Kerr type singularity in close proximity to a second Kerr type singularity in such a method to take advantage of the Lense-Thirring effect, to simulate the effect of two point masses on nearly radial orbits in a 2+1 dimensional anti-de Sitter space resulting in creation of circular timelike geodesics conforming to the van Stockum under the Van Den Broeck modification of the Alcubierre geometry (Van Den Broeck 1999) permitting topology change from one spacelike boundary to the other in accordance with Geroch's theorem (Geroch 1967) which results in a method for the formation of G{umlaut over ( )}odel-type geodesically complete spacetime envelopes complete with closed timelike curves."
"The present invention relates to the use of technical time displacement devices, which operate by the modification of gravitational fields. These drive systems do not depend on the emission of matter to create thrust to take advantage of time dilation, but rather create a change in the curvature of space-time, in accordance with general relativity. This allows travel across topologies by warping space-time, to produce a topology change from one spacelike boundary to the other in accordance with Geroch's theorem (Geroch 1967)"
https://patents.google.com/patent/US20060073976A1/en