Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Impeller type water-hammer proof and silent check valve

Impeller type water-hammer proof and silent check valve

US Patent 9091356 · Granted Jul 28, 2015

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Laminated filter2018
Laminated filter2018
Fast intake valve2015
Fast intake valve2015
Rotary mechanism for sprinkler and sprinkler using the same2014
Rotary mechanism for sprinkler and sprinkler using the same2014
Viscosity drive device for elevating-type in-ground sprinkler head2014
Viscosity drive device for elevating-type in-ground sprinkler head2014
Bottom entry plastic ball valve2014
Bottom entry plastic ball valve2014
Driving device for lifting buried spraying head2014
Driving device for lifting buried spraying head2014