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Inventor

DOUGLAS S. PRAIRIE, P.E.

Inventor
Fargo, ND, US

Overview

12→
Patents
1999–2019
Patent span
Human necessities
Primary field (CPC A)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A01Cprimary
A01CPlanting27%
A01BSoil working in agriculture or forestry19%
A01DHarvesting15%
G01GWeighing12%
G01FMeasuring volume, volume flow, mass flow or liquid level8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B28DWorking stone or stone-like materials4%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
PatentTitleYear
10,260,931Multi-variable yield monitor and methods for the same20199,410,840'Multi-variable yield monitor and methods for the same'20169,372,109'Harvester elevator in-flow weight sensor and methods for the same'20169,310,329'Remote moisture sensor and methods for the same'20167,497,522'Pavement saw with self-leveling operator handle and depth control system'20096,644,223'Disc opener assembly for a seed planter'20036,640,732'Disc opener assembly for a seed planter'20036,454,019'Agricultural implement down pressure system'20026,386,127'Disc opener assembly for a seed planter'20026,116,172'Shank-mounted row chop opener'20006,047,652'Seed planter distribution system'20005,915,312'Pneumatic seed delivery system'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2002Patents assigned to CASE CORP (5)· patent assignee history
1999–2002Based in Fargo, ND, US· patent location history
2003Patents assigned to CASE LLC (2)· patent assignee history
2003–2009Based in Boise, ID, US· patent location history
2009Patents assigned to ARNSWALD JEFFREY K (1)· patent assignee history
2009Patents assigned to BATEMENT NATHANIEL CODY (1)· patent assignee history
2016–2019Patents assigned to RAVEN IND INC (4)· patent assignee history
2016–2019Based in Sioux Falls, SD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CASE CORP51999–2002
RAVEN IND INC42016–2019
CASE LLC22003
ARNSWALD JEFFREY K12009
BATEMENT NATHANIEL CODY12009
Locations
LocationPatentsSpan
Fargo, ND, US51999–2002
Sioux Falls, SD, US42016–2019
Boise, ID, US32003–2009