Inventor
DOUGLAS S. RYDER
Inventor
US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Bprimary
F04BPositive-displacement machines for liquids32%
B05BSpraying apparatus14%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids11%
F04DNon-positive-displacement pumps11%
H02KDynamo-electric machines11%
E04FFinishing work on buildings, e.g. stairs, floors7%
F15BSystems acting by means of fluids in general7%
G05GControl devices or systems insofar as characterised by mechanical features only7%
PatentTitleYear
12,421,965Pump with high torque drive202512,421,946Pump drive system202511,819,868Material spray gun202311,473,576Pump with high torque drive202211,441,551Portable hydraulic power unit202211,406,995Material spray gun202211,300,112Pump drive system202211,193,486Pump with high torque drive202111,162,482Portable hydraulic power unit having a pump fixed to an exterior side of a fluid supply tank2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to GRACO MINNESOTA INC (9)· patent assignee history
2021–2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRACO MINNESOTA INC | 9 | 2021–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 9 | 2021–2025 |