JC

John Crooks

HI Hunter Industries: 2 patents #45 of 99Top 50%
NR North American Refractories: 2 patents #11 of 40Top 30%
ZS Zodiac Pool Systems: 1 patents #49 of 83Top 60%
Overall (All Time): #845,871 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D796758 Brush for pool cleaner Hendrikus Johannes van der Meijden, Bruce Harbottle 2017-09-05
8313043 Friction clutch for rotor-type sprinkler Fred M. Danner 2012-11-20
7861948 Adjustable arc rotor-type sprinkler with selectable uni-directional full circle nozzle rotation 2011-01-04
7287711 Adjustable arc rotor-type sprinkler with selectable uni-directional full circle nozzle rotation 2007-10-30
6787098 Refractory lining for metallurgical vessel Donald Abrino, Ronald Barrett, Shyam Miglani 2004-09-07
6673306 Refractory lining for metallurgical vessel Donald Abrino, Ronald Barrett, Shyam Miglani 2004-01-06