P

Inventor

JOHNSON DANIEL R

US45 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON DANIEL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GRACO MINNESOTA INC

18 patents
US7971806B2Jul 5, 2011

Poppet check valve for air-assisted spray gun

GRACO MINNESOTA INC36 citations92
US11262772B2Mar 1, 2022

Paint sprayer distributed control and output volume monitoring architectures

GRACO MINNESOTA INC6 citations85
US11226643B2Jan 18, 2022

Paint sprayer distributed control and output volume monitoring architectures

GRACO MINNESOTA INC8 citations85
US7950598B2May 31, 2011

Integrated flow control assembly for air-assisted spray gun

GRACO MINNESOTA INC18 citations84
US11385663B2Jul 12, 2022

Paint sprayer distributed control and output volume monitoring architectures

GRACO MINNESOTA INC4 citations83
US11385662B2Jul 12, 2022

Paint sprayer distributed control and output volume monitoring architectures

GRACO MINNESOTA INC4 citations83
US11163323B2Nov 2, 2021

Paint sprayer distributed control and output volume monitoring architectures

GRACO MINNESOTA INC6 citations83
USD604393SNov 17, 2009

Paint spray gun

GRACO MINNESOTA INC9 citations82
US9764346B2Sep 19, 2017

Paint can adapter for handheld spray device

GRACO MINNESOTA INC3 citations73
US11934212B2Mar 19, 2024

Paint sprayer distributed control and output volume monitoring architectures

GRACO MINNESOTA INC1 citations72
US11934211B2Mar 19, 2024

Paint sprayer distributed control and output volume monitoring architectures

GRACO MINNESOTA INC1 citations72
US11934210B2Mar 19, 2024

Paint sprayer distributed control and output volume monitoring architectures

GRACO MINNESOTA INC1 citations72
US11407004B2Aug 9, 2022

Modular spray roller system

GRACO MINNESOTA INC3 citations72
US10751749B2Aug 25, 2020

Modular spray roller system

GRACO MINNESOTA INC3 citations72
US10195639B2Feb 5, 2019

Modular spray roller system

GRACO MINNESOTA INC3 citations72
USD625775SOct 19, 2010

Airless spray tip guard

GRACO MINNESOTA INC6 citations71
US12339678B2Jun 24, 2025

Paint sprayer distributed control and output volume monitoring architectures

GRACO MINNESOTA INC0 citations62
US9795978B2Oct 24, 2017

Paint can adapter for handheld spray device

GRACO MINNESOTA INC0 citations52

UOP LLC

8 patents

JOHNSON DANIEL R

5 patents

UOP INC

2 patents

DAVYDOV LEV

2 patents

WOLSCHLAG LISA M

2 patents

PALMAS PAOLO

2 patents

BP SOLAR LTD

1 patent

QINETIQ LTD

1 patent

HAEMONETICS CORP

1 patent

COUCH KEITH A

1 patent

GREEN TOKAI CO LTD

1 patent

TENNECO AUTOMOTIVE OPERATING

1 patent