Inventor
DUNCAN BRIAN E
US12 patents
⚠️ This page may combine multiple inventors who share the name “DUNCAN BRIAN E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
7 patentsUS9802211B2Oct 31, 2017
Spray head assemblies for liquid spray guns
3M INNOVATIVE PROPERTIES CO9 citations83
US11167298B2Nov 9, 2021
Spray gun barrel with inseparable nozzle
3M INNOVATIVE PROPERTIES CO2 citations72
US11154894B2Oct 26, 2021
Spray gun and nozzle assembly attachment
3M INNOVATIVE PROPERTIES CO4 citations71
US11229921B2Jan 25, 2022
Spray gun and nozzle assembly attachment
3M INNOVATIVE PROPERTIES CO2 citations70
USD804613SDec 5, 2017
Spray gun nozzle
3M INNOVATIVE PROPERTIES CO0 citations51
USD725744SMar 31, 2015
System for identifying spray guns
3M INNOVATIVE PROPERTIES CO0 citations44
US10501243B2Dec 10, 2019
Vent assembly and reservoirs including the same
3M INNOVATIVE PROPERTIES CO0 citations38
3M INNOVATIVE PROPERTIES COMPANY
5 patentsUS11766686B2Sep 26, 2023
Spray gun and nozzle assembly attachment
3M INNOVATIVE PROPERTIES COMPANY1 citations70
US11666934B2Jun 6, 2023
Spray gun and nozzle assembly attachment
3M INNOVATIVE PROPERTIES COMPANY1 citations61
US12151258B2Nov 26, 2024
Spray gun and nozzle assembly attachment
3M INNOVATIVE PROPERTIES COMPANY0 citations59
US11577262B2Feb 14, 2023
Nozzle assembly with auxiliary apertures
3M INNOVATIVE PROPERTIES COMPANY0 citations50
US12397306B2Aug 26, 2025
Spray gun converter
3M INNOVATIVE PROPERTIES COMPANY0 citations49