Inventor
Dennis J. Van Keulen
Inventor
Rogers, MN, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B05Bprimary
B05BSpraying apparatus30%
F04BPositive-displacement machines for liquids26%
F16NLubricating19%
G05DSystems for controlling or regulating non-electric variables11%
B29BPreparation or pretreatment of the material to be shaped7%
B23PMetal-working not otherwise provided for4%
LOC154%
PatentTitleYear
10,688,509Spray system pressure differential monitoring202010,670,002Plural component proportioner comprising a first pump and a second pump simultaneously driven by a motor connected to the pumps by a yoke assembly comprising a shoe, a tie plate including a slot, and a tie rod202010,413,924Proportioning cylinder for spray system201910,300,504Spray system pump wash sequence201910,195,622Spray system pressure differential monitoring201910,173,232Multi-point seal lubrication system20199,901,945'Spray system pump wash sequence'2018D0771719'Plural component proportioner'20166,554,204'Integrated gun flush controller'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003Patents assigned to GRACO INC (1)· patent assignee history
2003–2020Based in Rogers, MN, US· patent location history
2016–2020Patents assigned to GRACO MINNESOTA INC (8)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRACO MINNESOTA INC | 8 | 2016–2020 |
| GRACO INC | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rogers, Minnesota, US | 9 | 2003–2020 |