Walla Walla, WA, United States of America

Craig B Nelson

This inventor holds 72 USPTO granted patents and 6 published patent applications and 28 EPO patents, primarily in Irrigation Technology (CPC class B05B). Top assignees: Nelson Irrigation Corporation, Nelson Irrigation Corporaton, Project 088 LLC. Active years: 1993-2025.

USPTO Granted Patents = 72 (Patent Applications = 6)

% Patents Active = 77.8

EPO Patents = 28 (Patent Applications = 27)

Average Co-Inventor Count = 2.6

ph-index = 16

Forward Citations = 769(Granted Patents)

Forward Citations (Not Self Cited) = 677(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Walla, WA (US) (2015)
Seattle, WA (US) (2020)
Walla Walla, WA (US) (1993 - 2024)

Company Filing History:

67 out of 168

Nelson Irrigation Corporation

patents

2 out of 2

Nelson Irrigation Corporaton

where one patent can have more than one assignee

Years Active: 1993-2025

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Areas of Expertise:

Variable Rate Irrigation

Modular Sprinklers

Pressure Regulation

Motion Sensor

Quick Connect Coupler

Rotary Nozzle

Automatic Sprinkler

Irrigation System

Coiled Weight

Deflector Design

Speed Control Brake

Scrubber Filter

72 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12364217 - Variable rate irrigation using motion sensor (2025-07-22),

2. 12186766 - Nozzle and sprinkler for center pivot end (2025-01-07),

3. 12036569 - Automatic reversible arc sprinkler (2024-07-16),

4. 11964293 - Rigid mount orbitor sprinkler (2024-04-23),

5. 11933408 - Multi-function pressure regulation valve (2024-03-19),

6. 11885450 - Quick connect coupler (2024-01-30),

7. 11745207 - Sprinkler with modular components and pop up deflector with lug(s) for rotational engagement (2023-09-05),

8. 11505354 - Packaging/inspection system for a nozzle pivot package (2022-11-22),

9. 11408515 - Pressure regulator having an oblique valve seat (2022-08-09),

10. 11376621 - Sprinkler assembly having coiled weight (2022-07-05),

11. 11325147 - Sprinkler with modular components and pop-up deflector (2022-05-10),

12. 11154882 - Cage design with modified struts including oriented fins (2021-10-26),

13. 11126208 - Multi-function pressure regulation valve (2021-09-21),

14. 11090671 - Automatic reversible arc sprinkler (2021-08-17),

15. 11085568 - Center pivot irrigation gooseneck with varying cross-sectional diameters (2021-08-10),

Title: Craig B Nelson - Pioneering Inventor from Walla Walla

Introduction: Craig B Nelson is a distinguished inventor hailing from Walla Walla, Washington. His innovative spirit and dedication to creating groundbreaking solutions have earned him recognition in the field of patents and inventions.

Latest Patents: Craig B Nelson's latest patents showcase his commitment to pushing the boundaries of technology and design. His recent inventions have focused on sustainability, efficiency, and user-friendly solutions in various industries.

Career Highlights: Throughout his illustrious career, Craig B Nelson has been instrumental in developing cutting-edge technologies that have revolutionized the way we live and work. His contributions have not only improved existing products but have also paved the way for new advancements in the field of innovation.

Collaborations: Craig B Nelson has collaborated with leading companies, research institutions, and universities to bring his inventions to life. His ability to work across disciplines and industries has led to the successful implementation of his ideas in real-world applications.

Conclusion: In conclusion, Craig B Nelson's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventors. His work continues to inspire future generations to think creatively and push the boundaries of what is possible.