Inventor
DUNN RICHARD M
US8 patents
⚠️ This page may combine multiple inventors who share the name “DUNN RICHARD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUNTER INDUSTRIES
4 patentsUS9169944B1Oct 27, 2015
Valve-in head irrigation sprinkler with service valve
HUNTER INDUSTRIES34 citations91
US5762270AJun 9, 1998
Sprinkler unit with flow stop
HUNTER INDUSTRIES118 citations91
US9578817B2Feb 28, 2017
Valve-in-head irrigation sprinkler with service valve
HUNTER INDUSTRIES12 citations81
US10702883B2Jul 7, 2020
Irrigation sprinkler with removably mounted SOD cup
HUNTER INDUSTRIES2 citations71
DUNN RICHARD M
3 patentsUS8297533B2Oct 30, 2012
Rotary stream sprinkler with adjustable arc orifice plate
DUNN RICHARD M34 citations89
US8936205B2Jan 20, 2015
Dual trajectory nozzle for rotor-type sprinkler
DUNN RICHARD M5 citations70
US9302287B2Apr 5, 2016
Irrigation sprinkler with debris flushing perforated riser
DUNN RICHARD M6 citations66