For the Inventor, By the Inventor

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Glendora, CA, United States of America

Rain Bird Sprinkler Mfg. Corp.

USPTO Granted Patents = 40

Trademarks = 21

Forward Citations = 931

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32 inventors (with patents filed for the assignee):

Hans D Christen (13 out of 13 patents)

Richard D Brown (5 out of 6 patents)

Edward J Pitchford (5 out of 5 patents)

4. Edward M Troup (4 out of 5 patents)

5. Charles A McMillen (3 out of 3 patents)

6. Mark Randall McClaran (2 out of 6 patents)

7. William J Wichman (2 out of 19 patents)

8. Howard E Thornton (2 out of 2 patents)

9. Octavian P Dumitrascu (2 out of 2 patents)

10. Stephen H Govero (2 out of 2 patents)

11. Donald W Smeller (2 out of 3 patents)

12. Kenneth L Lawson (1 out of 7 patents)

13. Roger W Perkins (1 out of 1 patent)

14. Doyle R Metz (1 out of 1 patent)

15. Rene H Evelyn-Veere (1 out of 3 patents)

Core Competencies:

Drip Irrigation

Rotating Sprinkler

Irrigation Control

Flow Management

Impact Drive Sprinkler

Sprinkler Nozzle

Trickle Irrigation

Irrigation Boom Assembly

Pressure Regulation

Mini-Sprinkler

Constant Drive Nozzle

Flexible Conduit

40 patents: Sort by Forward Citations

1. 5820029 - Drip irrigation emitter (1998-10-13),

2. 5377914 - Speed controlled rotating sprinkler (1995-01-03),

3. D349752 - Rotating spinner irrigation sprinkler (1994-08-16),

4. D334333 - Ground support stake for irrigation tubing (1993-03-30),

5. 5158231 - Mini-sprinkler stake assembly and mini-sprinkler unit and deflector (1992-10-27),

6. 5111995 - Drip irrigation tube (1992-05-12),

7. 5090621 - Constant drive nozzle for impulse irrigation sprinklers (1992-02-25),

8. 5023787 - Irrigation control and flow management system (1991-06-11),

9. 4892256 - Up-spray deflector cup for spraying the underside of plant foliage (1990-01-09),

10. 4771947 - Low energy irrigation device (1988-09-20),

11. 4742843 - Air and vacuum relief valve (1988-05-10),

12. 4735365 - Irrigation boom assembly (1988-04-05),

13. 4726520 - Continuous tube emitter (1988-02-23),

14. 4625913 - Sprinkler having two-piece drive arm bridge (1986-12-02),

15. 4613080 - Multiple outlet trickle irrigation unit (1986-09-23),

Rain Bird Corporation is a leading manufacturer and provider of irrigation products and services for residential, commercial, golf, and agricultural applications. With over 85 years of experience, Rain Bird is committed to delivering efficient and sustainable irrigation solutions that help conserve water and enhance landscapes.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

40 Patents

#1 in Glendora, CA

#1,975 in California

#8,344 in US

#16,558 in the World

Glendora, CA, United States of America

Rain Bird Sprinkler Mfg. Corp.

Forward Citations = 931

32 inventors:

Hans D Christen (13 out of 13 patents)

Richard D Brown (5 out of 6 patents)

Edward J Pitchford (5 out of 5 patents)

4. Edward M Troup (4 out of 5 patents)

5. Charles A McMillen (3 out of 3 patents)

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