Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Sealing device

Sealing device

US Patent 4205461 · Granted Jun 3, 1980

Assignee

No assignee recorded.

Inventors

Anders Lovgren (6 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Gasifier and a power plant2001

Power plant with fuel gas generator and fluidized bed combustion2001

Device at combustion plants for automatical feeding of fuels within the fireplac1986

Apparatus for firing solid fuels1984

Upwardly openable door1980

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly