Inventor
CRAWFORD STEVEN E
US7 patents
Patents
7 patentsUS10399108B2Sep 3, 2019
Sprinkler with modular components and pop up deflector
NELSON IRRIGATION CORP10 citations82
US10239066B2Mar 26, 2019
Orbital sprinkler with speed control brake
NELSON IRRIGATION CORP10 citations82
US9004097B2Apr 14, 2015
Pressure control valve with pressure cycling control
NELSON IRRIGATION CORP9 citations82
US11325147B2May 10, 2022
Sprinkler with modular components and pop-up deflector
NELSON IRRIGATION CORP2 citations71
US11745207B2Sep 5, 2023
Sprinkler with modular components and pop up deflector with lug(s) for rotational engagement
NELSON IRRIGATION CORP2 citations70
US12366259B2Jul 22, 2025
Sprinkler with trellis wire mounting clip
NELSON IRRIGATION CORP0 citations53
US11020756B2Jun 1, 2021
Orbital sprinkler with speed control brake
NELSON IRRIGATION CORP0 citations50