Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Fluid flow control valves

Fluid flow control valves

US Patent 4473091 · Granted Sep 25, 1984

Assignee

British Gas Plc

Inventors

Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Method of installing pipes2001

Self-centering suspension for in-pipe use1999

Apparatus for in-pipe use1999

Apparatus for bending plastic pipe1996

Gas governor module1986

Fluid container with venting means1984

Regulator installation for fluid transmission or distribution systems1982

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly