Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Seat assembly for ball valves

Seat assembly for ball valves

US Patent 4290581 · Granted Sep 22, 1981

Estimated economic value: $580,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Measuring scoop2024
Double-sided measuring scoop2023
Tire tread2018
Tire tread2018
Tire tread2017
Tire tread2017
Tubular member with thermal sleeve liner2014
Thermally compensated mounting flange and method of use2009
Ball valve with shear bushing and integral bracket for stem blowout protection2007
Continuous catalyst extraction valve with line cleaning feature2007
Ball valve with shear bushing and integral bracket for stem blowout protection2006
Nanostructured titania coated titanium2004