Inventor
Dale R. Hemming
Inventor
Fridley, MN, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B05Bprimary
B05BSpraying apparatus44%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems22%
A62CFire-fighting11%
G01RMeasuring electric variables11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
PatentTitleYear
5,063,350'Electrostatic spray gun voltage and current monitor'19914,890,190'Method of selecting optimum series limiting resistance for high voltage control circuit'19894,688,644'Ignition and fire suppressor'19874,554,622'Compact voltage multiplier for spray guns'19854,162,042'Spray gun safety sensor'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1991Patents assigned to GRACO INC (5)· patent assignee history
1979–1991Based in Fridley, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRACO INC | 5 | 1979–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fridley, Minnesota, US | 5 | 1979–1991 |