Inventor

ZHENG DIAN

US5 patents

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

3M INNOVATIVE PROPERTIES CO

2 patents

US9950298B2Apr 24, 2018

Reverse osmosis water-on-water control valve

3M INNOVATIVE PROPERTIES CO2 citations70

US9873087B2Jan 23, 2018

Reverse osmosis water-on-water control valve

3M INNOVATIVE PROPERTIES CO3 citations70

3M INNOVATIVE PROPERTIES COMPANY

2 patents

US12521678B2Jan 13, 2026

Contactor module and contactor panel including contactor module

3M INNOVATIVE PROPERTIES COMPANY0 citations47

US12390770B2Aug 19, 2025

Contactor system and method of operating contactor system

3M INNOVATIVE PROPERTIES COMPANY0 citations47

BASSETT LAURENCE W

1 patent

US8216466B2Jul 10, 2012

Counter top water filtration system

BASSETT LAURENCE W5 citations56