For the Inventor, By the Inventor

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Des Moines, IA, United States of America

A. Y. Mcdonald Mfg. Co.

USPTO Granted Patents = 20

CIPO Patents = 2

Trademarks = 9

Forward Citations = 131

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17 inventors (with patents filed for the assignee):

John D Eckel (5 out of 8 patents)

Sebastian Yaklin (4 out of 4 patents)

Ryan F Larson (4 out of 4 patents)

4. Thomas W Hast (4 out of 4 patents)

5. Randal S Aspen (3 out of 5 patents)

6. Jon Gohde (2 out of 2 patents)

7. Robert H Barr (2 out of 2 patents)

8. Douglas L Cheever (2 out of 2 patents)

9. Tom W Hast (1 out of 1 patent)

10. Brian Kretz (1 out of 1 patent)

11. Karl D Duex (1 out of 1 patent)

12. Joe L Daghe (1 out of 2 patents)

13. Warren G Heidbrier (1 out of 2 patents)

14. Joseph L Daghe (1 out of 3 patents)

15. Joseph Tilp (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 12078267 - Compression pipe fitting with wide range grip rings (2024-09-03),

2. 11635159 - Compression pipe fitting with wide range grip rings (2023-04-25),

3. 11421805 - Telescoping meter flange (2022-08-23),

4. 11215491 - Single-valve bypass meter bar and metering system (2022-01-04),

5. 11015748 - Compression pipe fitting with wide range grip rings (2021-05-25),

6. 10914048 - Height adjustable meter/device pit (2021-02-09),

7. 10851924 - Telescoping meter flange (2020-12-01),

8. 10323777 - Pipe coupling fitting with internal spacer sleeve (2019-06-18),

9. 9803656 - Control apparatus for a water powered sump pump (2017-10-31),

10. 8920131 - Pump control and method (2014-12-30),

11. 7584765 - Meter bar (2009-09-08),

12. 7347219 - Meter bar and metering system (2008-03-25),

13. 7185671 - Angled dual check valve (2007-03-06),

14. 5836340 - Auxiliary gas connection for meter sets (1998-11-17),

15. 5799687 - Security valve assembly (1998-09-01),

A. Y. McDonald Mfg. Co. is a leading manufacturer of waterworks brass, plumbing valves, pumps, water systems, and high-pressure gas valves. Founded in 1856, the company has a rich history of providing reliable and innovative products for various industries. A. Y. McDonald focuses on delivering superior quality and exceptional customer service, making them a trusted choice in the market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

20 Patents

#12 in Des Moines, IA

#90 in Iowa

#15,860 in US

#30,325 in the World

Des Moines, IA, United States of America

A. Y. Mcdonald Mfg. Co.

Forward Citations = 131

17 inventors:

John D Eckel (5 out of 8 patents)

Sebastian Yaklin (4 out of 4 patents)

Ryan F Larson (4 out of 4 patents)

4. Thomas W Hast (4 out of 4 patents)

5. Randal S Aspen (3 out of 5 patents)

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