Inventor
DUWELL LAWRENCE E
US11 patents
Patents
11 patentsUS10738448B2Aug 11, 2020
Toilet coupling
KOHLER CO8 citations82
US11761189B2Sep 19, 2023
Plumbing fixture with drain-casted jet orifice
KOHLER CO1 citations71
US11421413B2Aug 23, 2022
Plumbing fixture with drain-casted jet orifice
KOHLER CO2 citations71
US11180910B2Nov 23, 2021
Toilet with non-vitreous flush engine
KOHLER CO4 citations71
US11028567B2Jun 8, 2021
Plumbing fixture with drain-casted jet orifice
KOHLER CO3 citations71
US11286655B2Mar 29, 2022
Universal canister flush valve
KOHLER CO3 citations68
US10414540B2Sep 17, 2019
Toilet seat package
KOHLER CO2 citations65
US12345035B2Jul 1, 2025
Toilet with non-vitreous flush engine
KOHLER CO0 citations61
US11866921B2Jan 9, 2024
Toilet with non-vitreous flush engine
KOHLER CO0 citations61
US12163321B2Dec 10, 2024
Universal canister flush valve
KOHLER CO0 citations57
US11401132B2Aug 2, 2022
Retractable cord management system
KOHLER CO0 citations50