“There were a lot of fairly eccentric designs in the patents from this era,” says ... tilt-rotor/tilt-wing helicopter-airplane that Nikola Tesla dreamed up in 1921—until this summer, on ...

The military calls it research, but declassified patents tell a different story. What began as Nikola Tesla's dream of free energy for humanity may have become the world's most powerful weapon.

Electric car maker Tesla is still facing the $2 billion lawsuit, filed against the Elon Musk-run company by hydrogen trucking startup Nikola over design patents infringement. A US federal judge ...

It's an homage to Nikola Tesla (1856-1943), the Serbian ... An inveterate inventor, Tesla filed more than 700 patents for everything from wireless communication to fluorescent lighting.