Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Viscosity drive device for elevating-type in-ground sprinkler head

Viscosity drive device for elevating-type in-ground sprinkler head

US Patent 8870092 · Granted Oct 28, 2014

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Laminated filter2018
Laminated filter2018
Impeller type water-hammer proof and silent check valve2015
Impeller type water-hammer proof and silent check valve2015
Fast intake valve2015
Fast intake valve2015
Rotary mechanism for sprinkler and sprinkler using the same2014
Rotary mechanism for sprinkler and sprinkler using the same2014
Bottom entry plastic ball valve2014
Bottom entry plastic ball valve2014
Driving device for lifting buried spraying head2014
Driving device for lifting buried spraying head2014