Inventor
John I. Koeper
Inventor
New Bremen, OH, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Bprimary
B62BHand-propelled vehicles, e.g. hand carts or perambulators29%
B62DMotor vehicles29%
H01HElectric switches21%
B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load14%
G05BControl or regulating systems in general7%
PatentTitleYear
7,017,689'Electrical steering assist for material handling vehicles'20066,883,625'Supplemental jog and/or twist grip or other drive motor speed walk along controllers for walkie/rider pallet trucks'20056,595,306'Supplemental walk along control for walkie/rider pallet trucks'20036,464,025'Coast control for walkie/rider pallet truck'20024,157,467'Sequential control system for a lift truck'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979Patents assigned to CROWN CONTROLS CORP (1)· patent assignee history
1979–2006Based in New Bremen, OH, US· patent location history
2002–2006Patents assigned to CROWN EQUIP CORP (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CROWN EQUIP CORP | 4 | 2002–2006 |
| CROWN CONTROLS CORP | 1 | 1979 |
Locations
| Location | Patents | Span |
|---|---|---|
| New Bremen, OH, US | 5 | 1979–2006 |