Patents
US 12644232 B2: Polymer-based railroad tie having enhanced ballast interaction
- Granted
- 2026-06-02
- Filed
- 2023-03-28 application 18191609
- Type
- Utility · 16 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A railroad tie formed of a polymeric or polymeric composite material and configured for enhanced mechanical interaction with an underlying ballast. The tie includes at least a top longitudinal surface, a pair of side longitudinal surfaces, a bottom longitudinal surface, and two end faces. At least the bottom longitudinal surface includes a plurality of indentations formed along a length thereof. Additionally, the tie includes at least one serrated edge portion having a plurality of serrations, the at least one serrated edge portion formed along at least part of the longitudinal length of the tie at an edge between at least one of the side longitudinal surfaces and the bottom longitudinal surface to provide for enhanced mechanical interaction with the ballast.
Source: PTBLXML, file of 2026-06-02 (ipgb20260602.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY 917 patents | US company or organization | New Brunswick, NJ | RUTGERS - THE STATE UNIVERSITY OF NEW JERSEY Federal lobbying client EXACT high confidence: identical full name and state | PTBLXML, file of 2026-06-02 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Thomas J. Nosker | Stockton, NJ | PTBLXML, file of 2026-06-02 | ||
| Arya S. Tewatia | Piscataway, NJ | 5 | PTBLXML, file of 2026-06-02 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| E01B | Permanent way; permanent-way tools; machines for making railways of all kinds | E01B13/00 | PTBLXML, file of 2026-06-02 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2023-09-03 | Assignment Assignment of assignor's interest | NOSKER, THOMAS J. signed 2023-04-18 TEWATIA, ARYA S. signed 2023-05-15 | RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY NEW BRUNSWICK, NJ | 64783/767 | PASDL, file of 2026-10-15 |
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.