Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › System and choke valve actuator mechanism for operating a plunger lift well

System and choke valve actuator mechanism for operating a plunger lift well

US Patent 4617992 · Granted Oct 21, 1986

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Projected display for cleaning station of vacuum robot2025
Modular system for indirect illumination2025
Emergency utility vehicle2012
Electric shifting device for a motor vehicle2011
Control device for use in an electrical switch1991