Inventor
Douglas S. Ryder
Inventor
St. Michael, MN, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B05Bprimary
B05BSpraying apparatus24%
A63CSkates12%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like12%
F04BPositive-displacement machines for liquids8%
F15BSystems acting by means of fluids in general8%
G05GControl devices or systems insofar as characterised by mechanical features only8%
B08BCleaning in general4%
B29BPreparation or pretreatment of the material to be shaped4%
F16LPipes4%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition4%
PatentTitleYear
D0904318Control pendant202010,705,554Solenoid valve for a portable hydraulic power unit202010,656,669Trigger guard and pendant for a portable hydraulic power unit202010,563,364Control system for self-propelled line striper202010,087,590Control system for self-propelled line striper20189,695,557'Control system for self-propelled line striper'20178,939,328'Cleaning fluid cartridge'20158,807,462'Variable fluid flow in air-operated two component gun applicator'20148,455,800'Helix heated hose'20138,297,531'Automatic solvent injection for plural component spray gun'2012D0668686'Line striper'2012D0588231'Spray applicator'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2015Patents assigned to RYDER DOUGLAS S (6)· patent assignee history
2009–2015Patents assigned to TIX JOSEPH E (5)· patent assignee history
2009–2015Patents assigned to WEINBERGER MARK T (5)· patent assignee history
2009–2015Patents assigned to VELGERSDYK JEFFREY N (4)· patent assignee history
2009–2018Based in St. Michael, MN, US· patent location history
2012–2020Patents assigned to GRACO MINNESOTA INC (11)· patent assignee history
2020Based in Buffalo, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRACO MINNESOTA INC | 11 | 2012–2020 |
| RYDER DOUGLAS Sself | 6 | 2009–2015 |
| TIX JOSEPH E | 5 | 2009–2015 |
| WEINBERGER MARK T | 5 | 2009–2015 |
| VELGERSDYK JEFFREY N | 4 | 2009–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Michael, Minnesota, US | 8 | 2009–2018 |
| Buffalo, Minnesota, US | 4 | 2020 |