Inventor
JOHNSON HAROLD D
US35 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON HAROLD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRACO MINNESOTA INC
18 patentsUS9914141B2Mar 13, 2018
Portable airless sprayer
GRACO MINNESOTA INC12 citations92
US9604235B2Mar 28, 2017
Portable airless sprayer
GRACO MINNESOTA INC11 citations92
US9604234B2Mar 28, 2017
Portable airless sprayer
GRACO MINNESOTA INC18 citations92
USD560271SJan 22, 2008
Airless sprayer
GRACO MINNESOTA INC23 citations92
US6708900B1Mar 23, 2004
HVLP spray gun
GRACO MINNESOTA INC59 citations91
USD580518SNov 11, 2008
Airless paint sprayer
GRACO MINNESOTA INC37 citations90
US10919060B2Feb 16, 2021
Portable airless sprayer
GRACO MINNESOTA INC3 citations83
US9545643B2Jan 17, 2017
Portable airless sprayer
GRACO MINNESOTA INC11 citations83
US6357300B1Mar 19, 2002
Preset fluid dispensing meter
GRACO MINNESOTA INC7 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
US9968954B2May 15, 2018
Sprayer with integrated valve seats
GRACO MINNESOTA INC3 citations72
US9808817B2Nov 7, 2017
Paint sprayer floating pump
GRACO MINNESOTA INC2 citations72
US12145169B2Nov 19, 2024
Portable airless sprayer
GRACO MINNESOTA INC0 citations62
US11759808B1Sep 19, 2023
Portable airless sprayer
GRACO MINNESOTA INC0 citations62
US11446689B2Sep 20, 2022
Portable airless sprayer
GRACO MINNESOTA INC0 citations62
US9815077B2Nov 14, 2017
Resilient fluid housing
GRACO MINNESOTA INC0 citations40
GRACO INC
4 patentsUSD382500SAug 19, 1997
Dispensing meter
GRACO INC18 citations92
US5567130AOct 22, 1996
Reinforced cover configuration for a diaphragm pump
GRACO INC21 citations92
US5860794AJan 19, 1999
Double diaphragm pump with air valve block moving in a rectangular pattern
GRACO INC22 citations88
USD345138SMar 15, 1994
Air motor
GRACO INC1 citations52
HALLIBURTON CO
3 patentsUS5332048AJul 26, 1994
Method and apparatus for automatic closed loop drilling system
HALLIBURTON CO376 citations99
US5318138AJun 7, 1994
Adjustable stabilizer
HALLIBURTON CO210 citations99
US5318137AJun 7, 1994
Method and apparatus for adjusting the position of stabilizer blades
HALLIBURTON CO166 citations99