Company Filing History:
2 out of 270 
1 out of 4 Years Active: 2007-2012
Title: Innovations by John D. Crooks: Pioneering Sprinkler Technology
Introduction: John D. Crooks, an inventive mind located in San Diego, California, has made significant contributions to the irrigation industry with his innovative sprinkler systems. With a total of three patents to his name, Crooks has demonstrated his ability to enhance the functionality and efficiency of garden and agricultural sprinklers.
Latest Patents: Among Crooks' most notable inventions are his latest patents, which focus on improved mechanical systems for rotor-type sprinklers. One such invention is a friction clutch for rotor-type sprinklers, which comprises a riser, an impeller mounted within the riser, and an upper nozzle that rotates. This design features a drive assembly with a reduction gear train, incorporating a friction clutch that enables a positive drive connection under normal load while allowing for slip under excessive load conditions. Additionally, he developed an adjustable arc rotor-type sprinkler that offers selectable uni-directional full circle nozzle rotation. This sprinkler includes a drive mechanism that enables users to select between oscillation through an adjustable arc and a full circle rotation, along with an automatic arc return feature that restores the nozzle to its original settings when tampered with.
Career Highlights: Crooks has had a meaningful career, significantly impacting the field of irrigation technology. His innovations reflect a deep understanding of mechanics and a commitment to improving agricultural practices. He worked at Hunter Industries, a reputable company known for its advancements in irrigation solutions.
Collaborations: Throughout his career, he has collaborated with fellow inventor Fred M. Danner, showcasing teamwork and shared vision in the development of innovative sprinkler technology. Their combined expertise has contributed to the successful evolution of sprinkler systems.
Conclusion: John D. Crooks stands out as a notable inventor whose work in sprinkler technology reflects innovation and ingenuity. His patents significantly enhance the efficiency of watering systems, marking him as a prominent figure in agricultural advancements. Through his dedication and collaboration, Crooks continues to influence the future of irrigation technology.