Inventor

Elmer A Sperry

Patents indexed

Year range

1917

Associated with

Years active

1917

Total patents

Most recent

1917

Domains

mechanicalaerospace

Activity by decade

1910s

Patents

Career timeline

1 patents, in 1917

Dot size = forward citations

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

How Elmer Sperry Invented the Gyroscopic Compass for Ships

A 1917 patent for a navigation tool that uses a spinning wheel to find true north without relying on magnetic compasses.

Patent monitoring

Get a weekly digest when new patents naming Elmer A Sperry are indexed.