Patents
US 12559429 B2: Porous refractory objects and methods of forming
- Granted
- 2026-02-24
- Filed
- 2023-12-22 application 18394662
- Type
- Utility · 16 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A batch of refractory objects may include a plurality of bodies including a ceramic material. The batch may include an average porosity of at least 25% to not greater than 75% for the volume of the batch. The batch may have at least 50 refractory objects, a minimum volume of at least 0.36 cubic meters, and an average batch Porosity Index of not greater than 7.
Source: PTBLXML, file of 2026-02-24 (ipgb20260224.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| SAINT-GOBAIN CERAMICS & PLASTICS, INC. 397 patents | US company or organization | Worcester, MA | PTBLXML, file of 2026-02-24 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Nancy F. Levoy | Concord, MA | 4 | PTBLXML, file of 2026-02-24 | |
| Allan R. Case | Worcester, MA | 4 | PTBLXML, file of 2026-02-24 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C04B | Lime, magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone ; ceramics ; refractories; treatment of natural stone | C04B35/488 | PTBLXML, file of 2026-02-24 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
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.