Inventor

MIDDLETON ANDREW C

US4 patents

⚠️ This page may combine multiple inventors who share the name “MIDDLETON ANDREW C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KLEANTU LLC

2 patents

US12534392B2Jan 27, 2026

Tank configuration with enhanced denitrification

KLEANTU LLC0 citations37

US11981590B2May 14, 2024

Multiple chamber septic tank with a plurality of large and small access ports

KLEANTU LLC0 citations34

ALCOA INC

1 patent

US8673152B2Mar 18, 2014

Methods for polishing wastewater utilizing a bed of commingled bauxite residue and iron filings

ALCOA INC9 citations79

SMITH JOHN R

1 patent

US8206586B2Jun 26, 2012

Systems for polishing wastewater utilizing natural media filtration

SMITH JOHN R2 citations54