Inventor
Steven Spencer
Inventor
Windham, ME, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Cprimary
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling25%
B60WConjoint control of vehicle sub-units of different type or different function13%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials13%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers13%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%
F16HGearing13%
LOC0613%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to TAPOUR INC (1)· patent assignee history
1990Based in Kansas City, MO, US· patent location history
2018–2019Patents assigned to PRIMETALS TECH USA LLC (2)· patent assignee history
2018–2019Based in Windham, ME, US· patent location history
2021Patents assigned to CAMCO MFG INC (1)· patent assignee history
2021Patents assigned to PERKINS ENGINES CO LTD (1)· patent assignee history
2021Based in Germantown Hills, IL, US· patent location history
2021Based in Lawsonville, NC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PRIMETALS TECH USA LLC | 2 | 2018–2019 |
| CAMCO MFG INC | 1 | 2021 |
| PERKINS ENGINES CO LTD | 1 | 2021 |
| TAPOUR INC | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Windham, ME, US | 2 | 2018–2019 |
| Germantown Hills, Illinois, US | 1 | 2021 |
| Lawsonville, NC, US | 1 | 2021 |
| Kansas City, MO, US | 1 | 1990 |