Inventor
Warren L. Thompson
Inventor
Baltic, SD, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Bprimary
A01BSoil working in agriculture or forestry36%
A01CPlanting12%
Y10TTechnical subjects covered by former us classification12%
A01GHorticulture8%
B05BSpraying apparatus8%
A01MCatching, trapping or scaring of animals4%
B60WConjoint control of vehicle sub-units of different type or different function4%
B62DMotor vehicles4%
F16JPistons4%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact4%
PatentTitleYear
9,581,394'Ammonia heat exchanger unit and system'20179,504,212'Real time injection for agricultural sprayers'20169,259,745'NH3 fault and distribution variance detection system'20168,701,574'Method and apparatus for applying a minimum flow of anhydrous ammonia at targeted rates due to limitations existing in current distribution/delivery'20147,226,387'Control system for regulating a ground speed of a vehicle'20075,971,294'Agricultural application systems with improved spray control'19995,613,566'Row crop stalk and root remover'19975,531,277'Bent wing sweep'19965,531,276'Flip-up C-shank standard for a cultivator'19965,520,125'Combination cultivator and chemical applicator'19965,467,689'Hydraulic cylinder and biased wear ring assembly for use therein'19955,277,257'Depth control mechanism for an implement'19945,201,372'Wing fold implement with hydraulic mode indicator'19934,915,014'Disk harrow hydraulic wing balancing system'1990D0306598'Frame for a disk harrow or similar implement'19904,844,173'Method of assembling a disk'19894,630,526'Force control system including bypass flow path for implement with relatively movable frame parts'19864,303,089'Steering including accumulator for supplying emergency reserve of fluid'19814,077,447'Tree shear actuator restraint system'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1997Patents assigned to DEERE & CO (12)· patent assignee history
1986–1990Based in Colona, IL, US· patent location history
1989–1995Based in Ankeny, IA, US· patent location history
1994–1996Based in Elkhart, IA, US· patent location history
1997–1999Based in Kandiyohi, MN, US· patent location history
1999Patents assigned to AGCO CORP (1)· patent assignee history
2007Patents assigned to CNH AMERICA LLC (1)· patent assignee history
2007–2017Based in Baltic, SD, US· patent location history
2014–2017Patents assigned to RAVEN IND INC (4)· patent assignee history
2014Patents assigned to BALLARD JEFF (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEERE & CO | 12 | 1978–1997 |
| RAVEN IND INC | 4 | 2014–2017 |
| AGCO CORP | 1 | 1999 |
| BALLARD JEFF | 1 | 2014 |
| CNH AMERICA LLC | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Baltic, SD, US | 5 | 2007–2017 |
| Elkhart, IA, US | 4 | 1994–1996 |
| Ankeny, IA, US | 4 | 1989–1995 |
| Kandiyohi, Minnesota, US | 2 | 1997–1999 |
| Colona, Illinois, US | 2 | 1986–1990 |