Inventor

FREIMUTH DUANE S

US8 patents

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

JOHNSON CONTROLS TECH CO

5 patents

US10844966B2Nov 24, 2020

Systems and methods for flow estimation using differential pressure sensor across valve

JOHNSON CONTROLS TECH CO0 citations48

KUNG CHIA

1 patent

US8323484B2Dec 4, 2012

Method and system to flush an RO system

KUNG CHIA7 citations77

TYCO FIRE & SECURITY GMBH

1 patent

US12442556B2Oct 14, 2025

Flowrate determination system and method for a flow control valve

TYCO FIRE & SECURITY GMBH0 citations50

GEN ELECTRIC

1 patent

US7655139B2Feb 2, 2010

Method and system for operating a shut-off valve of a filtration system

GEN ELECTRIC0 citations50

FREIMUTH DUANE S

JOHNSON CONTROLS TECH CO

Valve member with improved fluid flow and control

Integrated smart actuator device

Valve assembly with equal percentage flow control

Multipurpose valve assembly tool

Systems and methods for flow estimation using differential pressure sensor across valve

KUNG CHIA

Method and system to flush an RO system

TYCO FIRE & SECURITY GMBH

Flowrate determination system and method for a flow control valve

GEN ELECTRIC

Method and system for operating a shut-off valve of a filtration system