Inventor

BLENKUSH WILLIAM M

US53 patents

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

GRACO MINNESOTA INC

44 patents

US10077771B2Sep 18, 2018

Integral mounting system on axial reciprocating pumps

GRACO MINNESOTA INC28 citations98

USD633176SFeb 22, 2011

Airless paint sprayer

GRACO MINNESOTA INC43 citations97

USD630708SJan 11, 2011

Airless paint sprayer

GRACO MINNESOTA INC42 citations95

US11732708B2Aug 22, 2023

Displacement pump mounting and retention

GRACO MINNESOTA INC8 citations94

US11530697B2Dec 20, 2022

Displacement pump mounting and retention

GRACO MINNESOTA INC10 citations94

US11396871B1Jul 26, 2022

Displacement pump mounting and retention

GRACO MINNESOTA INC10 citations94

US11286926B2Mar 29, 2022

Pump rod and driving link with side-load reducing configuration

GRACO MINNESOTA INC10 citations94

US11035359B2Jun 15, 2021

Displacement pump mounting and retention

GRACO MINNESOTA INC12 citations94

USD747183SJan 12, 2016

Retaining nut/ring

GRACO MINNESOTA INC27 citations94

US10502206B2Dec 10, 2019

Pump rod and driving link with side-load reducing configuration

GRACO MINNESOTA INC12 citations92

US10094375B2Oct 9, 2018

Self-aligning mounting and retention system

GRACO MINNESOTA INC14 citations92

US9914141B2Mar 13, 2018

Portable airless sprayer

GRACO MINNESOTA INC12 citations92

US9604234B2Mar 28, 2017

Portable airless sprayer

GRACO MINNESOTA INC18 citations92

US9604235B2Mar 28, 2017

Portable airless sprayer

GRACO MINNESOTA INC11 citations92

US9517479B2Dec 13, 2016

Portable airless sprayer

GRACO MINNESOTA INC11 citations92

USD616064SMay 18, 2010

Texture sprayer

GRACO MINNESOTA INC19 citations92

USD580518SNov 11, 2008

Airless paint sprayer

GRACO MINNESOTA INC37 citations90

US12196200B2Jan 14, 2025

Pump rod and driving link with side-load reducing configuration

GRACO MINNESOTA INC2 citations86

US11927184B2Mar 12, 2024

Displacement pump mounting and retention

GRACO MINNESOTA INC3 citations86

US11927183B2Mar 12, 2024

Displacement pump mounting and retention

GRACO MINNESOTA INC3 citations86

US11891991B2Feb 6, 2024

Displacement pump mounting and retention

GRACO MINNESOTA INC3 citations86

US11873809B2Jan 16, 2024

Displacement pump mounting and retention

GRACO MINNESOTA INC3 citations86

USD895776SSep 8, 2020

Brace and mount

GRACO MINNESOTA INC15 citations86

US10919060B2Feb 16, 2021

Portable airless sprayer

GRACO MINNESOTA INC3 citations83

US9545643B2Jan 17, 2017

Portable airless sprayer

GRACO MINNESOTA INC11 citations83

USD822794SJul 10, 2018

Texture sprayer

GRACO MINNESOTA INC6 citations82

US11873810B2Jan 16, 2024

Displacement pump mounting and retention

GRACO MINNESOTA INC0 citations73

US11458605B2Oct 4, 2022

Packing insertion tool for paint and other fluid pumps

GRACO MINNESOTA INC2 citations73

USD898880SOct 13, 2020

Packings, brace, and mount assembly

GRACO MINNESOTA INC5 citations73

US11779945B2Oct 10, 2023

Portable airless sprayer

GRACO MINNESOTA INC2 citations72

US11623234B2Apr 11, 2023

Portable airless sprayer

GRACO MINNESOTA INC1 citations72

US11446690B2Sep 20, 2022

Portable airless sprayer

GRACO MINNESOTA INC2 citations72

USD829772SOct 2, 2018

Sprayer frame

GRACO MINNESOTA INC5 citations71

US11035354B2Jun 15, 2021

Hose bracket for texture sprayer

GRACO MINNESOTA INC0 citations63

US12533701B2Jan 27, 2026

Systems for high production exterior wall spraying

GRACO MINNESOTA INC0 citations62

US12421960B2Sep 23, 2025

Pump mounting and driving

GRACO MINNESOTA INC0 citations62

US12145169B2Nov 19, 2024

Portable airless sprayer

GRACO MINNESOTA INC0 citations62

US11896987B1Feb 13, 2024

Systems for high production exterior wall spraying

GRACO MINNESOTA INC1 citations62

US11759808B1Sep 19, 2023

Portable airless sprayer

GRACO MINNESOTA INC0 citations62

US11446689B2Sep 20, 2022

Portable airless sprayer

GRACO MINNESOTA INC0 citations62

US11125226B2Sep 21, 2021

Adjustable stop for check valve

GRACO MINNESOTA INC0 citations62

US10450109B2Oct 22, 2019

Texture sprayer bag roller extension

GRACO MINNESOTA INC1 citations60

US10670006B2Jun 2, 2020

Hose bracket for texture sprayer

GRACO MINNESOTA INC0 citations52

US9732869B2Aug 15, 2017

Adjustable stop for check valve

GRACO MINNESOTA INC1 citations52

THOMPSON DAVID J

1 patent

US8596555B2Dec 3, 2013

Portable airless sprayer

THOMPSON DAVID J57 citations95

GRACO INC

1 patent

US6533488B2Mar 18, 2003

Airless sprayer drive mechanism

GRACO INC47 citations90

HITTER BENJAMIN J

1 patent

US9068567B2Jun 30, 2015

Reciprocating piston pump serviceable without tools

HITTER BENJAMIN J36 citations89

HINES BRADLEY H

1 patent

USD692095SOct 22, 2013

Airless paint sprayer

HINES BRADLEY H33 citations89

BECKER STEVE D

1 patent

US9192952B2Nov 24, 2015

Control valve for airless sprayer pressure adjustment

BECKER STEVE D26 citations87

MATTSON BARRY W

1 patent

USD588230SMar 10, 2009

Texture applicator

MATTSON BARRY W4 citations60

Showing the top 50 of 53 patents by PatentIndex Score.