Patents
US 9309634 B2: Continuous CFRP decked bulb T beam bridges for accelerated bridge construction
- Granted
- 2016-04-12
- Filed
- 2013-04-08 application 13858571
- Type
- Utility · 19 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A pre-stressed concrete bridge using longitudinal load members of a single continuous beam including at least two types of concrete, one of which is ultra-high-performance concrete (UHPC) mix with a compressive strength exceeding 137.9 Mpa (20 ksi) and tensile strength exceeding 10.34 Mpa (1.5 ksi) in a region proximate to the support structure.
Source: PVGPATDIS, file of 2026-04-10 (ipg160412.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Lawrence Technological University 3 patents | US company or organization | Southfield, MI | Lawrence Technological University College or university EXACT high confidence: identical full name and state LAWRENCE TECHNOLOGICAL UNIVERSITY Nonprofit EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Nabil F. Grace | Rochester Hills, MI | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| E01D | Construction of bridges, ; elevated roadways; or viaducts; assembly of bridges | E01D19/125 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2013-05-20 | Assignment Assignment of assignor's interest | GRACE, NABIL F., DR. signed 2013-05-20 | LAWRENCE TECHNOLOGICAL UNIVERSITY SOUTHFIELD, MI | 30447/273 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.