Inventor
Keith E. Hoffman
Inventor
Atlanta, IN, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Fprimary
F16FSprings33%
B60GVehicle suspension arrangements24%
Y10TTechnical subjects covered by former us classification10%
A61BDiagnosis5%
B29CShaping or joining of plastics5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
F16JPistons5%
LOC165%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
D0732103'Stabilized gimbal assembly'20156,273,861'Pneumatically actuated tissue sampling device'20016,199,837'Thermoplastic elastomer air spring'20015,468,140'Tapered airsleeve curing press'19955,342,139'Snap mounted attachment device'19945,169,129'Variable rate air spring suspension system'19924,946,144'External clamping band for air spring'19904,899,995'Clamp ring assembly for air spring'19904,796,870'Suspension system for vehicles containing combination isolator mount and air spring closure'19894,787,607'Air spring having internal sealing band and method of installing same'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1989Patents assigned to FIRESTONE TIRE & RUBBER CO (2)· patent assignee history
1988–1995Based in Atlanta, IN, US· patent location history
1990–2001Patents assigned to BRIDGESTONE FIRESTONE INC (6)· patent assignee history
2001Patents assigned to SCIMED LIFE SYSTEMS INC (1)· patent assignee history
2001Based in Spencer, IN, US· patent location history
2015Patents assigned to FREEFLY SYSTEMS INC (1)· patent assignee history
2015Based in Lake Stevens, WA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRIDGESTONE FIRESTONE INC | 6 | 1990–2001 |
| FIRESTONE TIRE & RUBBER CO | 2 | 1988–1989 |
| FREEFLY SYSTEMS INC | 1 | 2015 |
| SCIMED LIFE SYSTEMS INC | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Atlanta, IN, US | 7 | 1988–1995 |
| Spencer, IN, US | 2 | 2001 |
| Lake Stevens, Washington, US | 1 | 2015 |