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Lakemoor, IL, United States of America

Robert M Koehl

Average Co-Inventor Count = 1.00

ph-index = 15

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 754

Robert M KoehlRobert M Koehl (22 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sta-rite Industries Inc. (14 from 78 patents)

2. Pentair Water Pool and Spa, Inc. (8 from 188 patents)


22 patents:

1. 10642287 - Pump controller system and method

2. 10416690 - Pump controller system and method

3. 10409299 - Pump controller system and method

4. 10289129 - Pump controller system and method

5. 10241524 - Pump controller system and method

6. 9399992 - Pump controller system and method

7. 9371829 - Pump controller system and method

8. 9328727 - Pump controller system and method

9. 8641385 - Pump controller system and method

10. 8540493 - Pump control system and method

11. 8444394 - Pump controller system and method

12. 7990091 - Pump controller system and method

13. 7983877 - Pump controller system and method

14. 7976284 - Pump controller system and method

15. 7857600 - Pump controller system and method

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as of
12/25/2025
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