For the Inventor, By the Inventor

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Bridgeville, PA, United States of America

Kleantu LLC

USPTO Granted Patents = 3

Forward Citations = 0

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9 inventors (with patents filed for the assignee):

John R Smith (3 out of 19 patents)

Andrew C Middleton (3 out of 5 patents)

Robin L Weightman (3 out of 5 patents)

4. Richard Donahue (3 out of 3 patents)

5. Ron Keffer (2 out of 2 patents)

6. Peter Goodale (2 out of 2 patents)

7. Robert Horger (2 out of 2 patents)

8. Robert Horger (1 out of 1 patent)

9. Jaw Fu (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12715798 - Multiple chamber septic tank with a plurality of large and small access ports (2026-08-25),

2. 12534392 - Tank configuration with enhanced denitrification (2026-01-27),

3. 11981590 - Multiple chamber septic tank with a plurality of large and small access ports (2024-05-14),

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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#8 in Bridgeville, PA

#2,674 in Pennsylvania

#73,710 in US

Bridgeville, PA, United States of America

Kleantu LLC

Forward Citations = 0

9 inventors:

John R Smith (3 out of 19 patents)

Andrew C Middleton (3 out of 5 patents)

Robin L Weightman (3 out of 5 patents)

4. Richard Donahue (3 out of 3 patents)

5. Ron Keffer (2 out of 2 patents)

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