Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Plasma spray torch

Plasma spray torch

US Patent 4877937 · Granted Oct 31, 1989

Assignee

Castolin, S.A.

Inventors

Niklaus Muller (5 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Method of coating internal surfaces of an object by plasma spraying1990

Arrangement for supplying powdered material to a spraying device1986

Gas-fired cigarette lighter1980

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly