Inventor
Charles D. Spragg
Inventor
Hudson, OH, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Cprimary
B60CVehicle tyres29%
Y10TTechnical subjects covered by former us classification29%
B29DProducing particular articles from plastics or from substances in a plastic state14%
B29CShaping or joining of plastics10%
B29LIndexing scheme associated with subclass b29c, relating to particular articles8%
D02GCrimping or curling fibres, filaments, threads, or yarns3%
B01DSeparation2%
B29BPreparation or pretreatment of the material to be shaped2%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
6,834,696'Runflat tire with cantilever-like sidewall construction'20046,769,294'Method of determining potential cause of tire failure by measuring the tire temperature achieved during operating conditions'20046,598,634'Cured tire including encapsulated high modulus composite'20036,470,937'Run flat pneumatic tire and anticlastic band element therefor'20026,460,586'Multi-region band element for run flat tire'20026,439,288'Pneumatic tire with variable thickness band element'20026,436,215'Band element for pneumatic tire and method of making same'20026,420,005'Band element for pneumatic tire'20026,405,773'Run flat pneumatic tire and band element therefor'20026,363,986'Band element and method for building same for a run flat banded tire'20026,321,808'Expandable band for run flat tire and method of making'20016,260,593'Race tire containing band element'20016,148,885'Pneumatic tire with band element'20006,117,258'Band element and method for building same for a run flat banded tire'20006,112,791'Pneumatic tire with band element having tapered end portions'20005,879,484'Run flat banded pneumatic tire'19995,769,980'Pneumatic tire with sidewall inserts having specified extension underneath the belt package'19985,267,847'Compact precision extrusion system'19935,156,781'Compact precision extrusion method'19924,918,017'Screen assembly for screening elastomeric material'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1999Patents assigned to BRIDGESTONE FIRESTONE INC (3)· patent assignee history
1990–2004Based in Hudson, OH, US· patent location history
1992–2003Patents assigned to BRIDGESTONE CORP (3)· patent assignee history
2000–2002Patents assigned to BRIDGESTONE FIRESTONE RES INC (6)· patent assignee history
2002–2004Patents assigned to BRIDGESTONE FIRESTONE NORTH AM (8)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRIDGESTONE FIRESTONE NORTH AM | 8 | 2002–2004 |
| BRIDGESTONE FIRESTONE RES INC | 6 | 2000–2002 |
| BRIDGESTONE CORP | 3 | 1992–2003 |
| BRIDGESTONE FIRESTONE INC | 3 | 1990–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hudson, OH, US | 20 | 1990–2004 |