Inventor
John R. Pratt
Inventor
Charlotte, NC, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B66Fprimary
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 load27%
B60LPropulsion of electrically-propelled vehicles18%
Y02TClimate change mitigation technologies related to transportation18%
B29CShaping or joining of plastics9%
B30BPresses in general9%
B62BHand-propelled vehicles, e.g. hand carts or perambulators9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
8,025,474'Battery-changing vehicle with cantilevered boom'20117,938,612'Battery-changing vehicle with cantilevered boom'20117,220,222'Cart for die transportation'20076,543,986'Apparatus with upper displacement member for handling articles'20036,247,887'Apparatus for handling articles'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2011Patents assigned to MULTI SHIFTER INC (5)· patent assignee history
2001–2011Based in Charlotte, NC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MULTI SHIFTER INC | 5 | 2001–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Charlotte, NC, US | 5 | 2001–2011 |