Inventor
KURU WILLIAM C
US21 patents
⚠️ This page may combine multiple inventors who share the name “KURU WILLIAM C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOHLER CO
20 patentsUS11560703B2Jan 24, 2023
Gravity-fed toilet with quiet siphonic flush
KOHLER CO5 citations84
US11427995B2Aug 30, 2022
Quiet flush actuator for pressure-assist toilets
KOHLER CO5 citations83
US11047123B2Jun 29, 2021
Gravity-fed toilet with quiet siphonic flush
KOHLER CO5 citations83
US10655313B2May 19, 2020
Grey water toilet
KOHLER CO4 citations82
US11851864B2Dec 26, 2023
Gravity-fed toilet with quiet siphonic flush
KOHLER CO2 citations72
US11168471B2Nov 9, 2021
Grey water toilet and flushing method
KOHLER CO1 citations71
US10233627B2Mar 19, 2019
Rimless toilet
KOHLER CO2 citations70
US7020908B2Apr 4, 2006
Toilets with quick flush trapways
KOHLER CO10 citations67
US12134885B2Nov 5, 2024
Plumbing fixture with electro-chlorinating device
KOHLER CO0 citations62
US12509868B2Dec 30, 2025
Quiet flush actuator for pressure-assist toilets
KOHLER CO0 citations61
US12428828B2Sep 30, 2025
Grey water toilet and flushing method
KOHLER CO0 citations61
US12209401B2Jan 28, 2025
Gravity-fed toilet with quiet siphonic flush
KOHLER CO0 citations61
US11987969B2May 21, 2024
Fluidics devices for plumbing fixtures
KOHLER CO0 citations61
US11933031B2Mar 19, 2024
Quiet flush actuator for pressure-assist toilets
KOHLER CO0 citations61
US11885111B2Jan 30, 2024
Grey water toilet and flushing method
KOHLER CO0 citations61
US11739517B2Aug 29, 2023
Fluidics devices for plumbing fixtures
KOHLER CO0 citations61
US10437263B2Oct 8, 2019
Toilet fill valve with improved noise performance
KOHLER CO1 citations61
US6944891B2Sep 20, 2005
Toilets with trapways having an air dam
KOHLER CO5 citations61
US12595649B2Apr 7, 2026
Fluidics devices for plumbing fixtures
KOHLER CO0 citations60
US10246864B2Apr 2, 2019
Pressure toilet with bulk loading siphon assist
KOHLER CO0 citations48