For the Inventor, By the Inventor

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Riviera Beach, FL, United States of America

K-rain Manufacturing Corporation

USPTO Granted Patents = 18

EPO Patents = 1

Trademarks = 16

Forward Citations = 88

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9 inventors (with patents filed for the assignee):

Carl L C Kah, Iii (11 out of 76 patents)

Richard Zhang (5 out of 6 patents)

Danhui Luo (3 out of 12 patents)

4. Weiming Feng (2 out of 10 patents)

5. Frederick A Hall (2 out of 3 patents)

6. Carl L C Kah, Jr (1 out of 9 patents)

7. Eric Davis Schwartz (1 out of 27 patents)

8. Robert Brady (1 out of 30 patents)

9. Hanlly R Batista Estévez (1 out of 1 patent)

10. Jr Carl L C Kah (0 patent)

18 patents: Sort by Forward Citations

1. 12496609 - Oscillating sprinkler assembly (2025-12-16),

2. 11826765 - Sprinkler head nozzle assembly with adjustable arc, flow rate and stream angle (2023-11-28),

3. 11596956 - Oscillating sprinkler (2023-03-07),

4. 11478804 - Sprinkler flow stop and pressure regulator combination (2022-10-25),

5. 11179738 - Viscous damped stream rotary deflector with internal spiraled damping ribs (2021-11-23),

6. 11110477 - Sprinkler pressure regulator having a filter basket (2021-09-07),

7. 10220405 - Sprinkler flow stop and pressure regulator combination (2019-03-05),

8. D706229 - Control module (2014-06-03),

9. 8596559 - Rotary drive sprinkler with flow control and shut off valve in nozzle housing (2013-12-03),

10. D689441 - Control enclosure (2013-09-10),

11. D682391 - Rotary nozzle head (2013-05-14),

12. 8136743 - Rotary drive sprinkler with flow control and shut off valve in nozzle housing (2012-03-20),

13. 7841547 - Rotary drive sprinkler with flow control and shut off valve in nozzle housing (2010-11-30),

14. 7793868 - Rotary drive sprinkler with flow control and shut off valve in nozzle housing (2010-09-14),

15. 7708209 - Sprinkler to top riser and housing seal cartridge for gear drive sprinkler (2010-05-04),

K-Rain Manufacturing Corporation is a leading manufacturer of irrigation products. With over 40 years of experience, we specialize in creating innovative and high-quality irrigation systems for both residential and commercial use. Our wide range of products includes sprinklers, valves, controllers, sensors, and other accessories, all designed to optimize water usage and promote efficient irrigation. Visit our website to explore our product catalog and find the perfect irrigation solution for your needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

18 Patents

#3 in Riviera Beach, FL

#466 in Florida

#17,417 in US

#33,187 in the World

Riviera Beach, FL, United States of America

K-rain Manufacturing Corporation

Forward Citations = 88

9 inventors:

Carl L C Kah, Iii (11 out of 76 patents)

Richard Zhang (5 out of 6 patents)

Danhui Luo (3 out of 12 patents)

4. Weiming Feng (2 out of 10 patents)

5. Frederick A Hall (2 out of 3 patents)

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