Inventor
Richard A. DePauw
Inventor
Moline, IL, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Cprimary
A01CPlanting16%
A01MCatching, trapping or scaring of animals16%
B05BSpraying apparatus16%
F16LPipes16%
Y10TTechnical subjects covered by former us classification16%
A01DHarvesting6%
A01FProcessing of harvested produce6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
5,379,812'Closed granular chemical handling system'19955,224,527'Closed granular chemical handling system'19935,125,438'Closed granular chemical handling system'19925,060,701'Closed granular chemical handling system'19915,029,624'Closed granular chemical handling system'19914,776,153'Automatic height control for a laterally pivoted harvester header'19884,348,855'Crop damage responsive control of rotor speed'19824,244,380'Adjustable transport vanes for axial flow combine'19814,148,323'Swept back impeller blade for axial flow rotor'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1982Patents assigned to INT HARVESTER CO (3)· patent assignee history
1979–1982Based in East Moline, IL, US· patent location history
1988–1995Patents assigned to DEERE & CO (6)· patent assignee history
1988–1995Based in Moline, IL, US· patent location history
1992–1995Patents assigned to AMERICAN CYANAMID CO (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEERE & CO | 6 | 1988–1995 |
| AMERICAN CYANAMID CO | 3 | 1992–1995 |
| INT HARVESTER CO | 3 | 1979–1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Moline, Illinois, US | 6 | 1988–1995 |
| East Moline, Illinois, US | 3 | 1979–1982 |