Inventor
Gordon K. Wiegardt
Inventor
Cedar Falls, IA, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Cprimary
A01CPlanting24%
A01BSoil working in agriculture or forestry18%
Y10TTechnical subjects covered by former us classification18%
B62DMotor vehicles12%
B67DDispensing, delivering or transferring liquids, not otherwise provided for6%
F16HGearing6%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure6%
G05GControl devices or systems insofar as characterised by mechanical features only6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
6,935,252'Fluid injection apparatus having biasing brackets'20056,874,436'Fluid distribution assembly'20056,848,376'Fluid injection apparatus having frame levers'20056,796,252'Fluid injection apparatus having lift assembly shaft levers'20044,518,044'Vehicle with control system for raising and lowering implement'19854,508,176'Vehicle with control system having operator-actuable switch for storing parameter signal value to control vehicle-connected implement raising and lowering structure'19854,503,916'Hybrid hitch control system'19854,103,489'Total power fluid system'19784,077,490'Total power fluid system vehicle with steering control'19783,995,711'Vehicle power steering electro-hydraulic safety backup system'19763,995,696'Capacitance transducer load sensor'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1985Patents assigned to DEERE & CO (7)· patent assignee history
1976–2005Based in Cedar Falls, IA, US· patent location history
2004–2005Patents assigned to AMERICAN SOIL TECHNOLOGIES INC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEERE & CO | 7 | 1976–1985 |
| AMERICAN SOIL TECHNOLOGIES INC | 4 | 2004–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cedar Falls, IA, US | 11 | 1976–2005 |