Patents
US 12337584 B2: Hardfaced products for abrasive applications and processes for making the same
- Granted
- 2025-06-24
- Filed
- 2018-07-19 application 16302080
- Type
- Utility · 26 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A hardfaced product includes a substrate and a hard composite material bonded to the substrate. The composite material includes boron carbide as a wear-resistant material and a matrix alloy including manganese and at least one of copper, silver, gold, platinum or palladium. The hardfaced product can be made by applying a molten matrix alloy to a substrate wherein the matrix alloy is combined with a wear-resistant material. The matrix alloy includes manganese and at least one of copper, silver, gold, platinum or palladium. The wear-resistant material includes boron carbide.
Source: PVGPATDIS, file of 2026-04-10 (ipg250624.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| ESCO GROUP LLC 117 patents | US company or organization | Portland, OR | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Robin K. Churchill | Beaverton, OR | 6 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B32B | Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form | B32B7/08 | PVGPATDIS, file of 2026-04-10 |
| B22F | Working metallic powder; manufacture of articles from metallic powder; making metallic powder ; apparatus or devices specially adapted for metallic powder | B22F5/00 | PVGPATDIS, file of 2026-04-10 |
| C22C | Alloys | C22C9/05 | PVGPATDIS, file of 2026-04-10 |
| E02F | Dredging; soil-shifting | E02F9/285 | 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 |
|---|---|---|---|---|---|
| 2019-07-18 | Assignment Assignment of assignor's interest | CHURCHILL, ROBIN K signed 2019-07-18 | ESCO GROUP LLC PORTLAND, OR | 49794/129 | 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.