Inventor
Jerry L. Krafka
Inventor
Ottumwa, IA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Fprimary
A01FProcessing of harvested produce44%
A01DHarvesting22%
B26DCutting11%
F16HGearing11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
5,778,727'Headed spindle pin for wobble-type sickle drive'19985,566,536'Mower-conditioner platform suspension including single upper arm and hydraulic cylinder for platform lift'19964,196,861'Crop material saver for a forage harvester feed roll assembly'19804,192,468'Feed roll assembly for a forage harvester'19804,190,209'Adjustable shear bar for a harvester cutterhead'19804,186,889'Forage harvester recutter screen'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1998Patents assigned to DEERE & CO (6)· patent assignee history
1980–1998Based in Ottumwa, IA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEERE & CO | 6 | 1980–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ottumwa, IA, US | 6 | 1980–1998 |