Patents
US 8739773 B2: Oven rack having integral lubricious, dry porcelain surface
- Granted
- 2014-06-03
- Filed
- 2007-05-24 application 12301718
- Type
- Utility · 59 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A lubricious glass-coated metal cooking article capable of withstanding repeated heating and cooling between room temperature and at least 500° F. without chipping or cracking the glass coating, wherein the glass coating includes about 0.1 to about 20% by weight of a homogeneously distributed dry refractory lubricant material having a particle size less than about 200 μm. The lubricant material is selected from the group consisting of carbon; graphite; boron nitride; cubic boron nitride; molybdenum (FV) sulfide; molybdenum sulfide; molybdenum (IV) selenide; molybdenum selenide, tungsten (IV) sulfide; tungsten disulfide; tungsten sulfide; silicon nitride (Si3N4); TiN; TiC; TiCN; TiO2; TiAlN; CrN; SiC; diamond-like carbon; tungsten carbide (WC); zirconium oxide (ZrO2); zirconium oxide and 0.1 to 40 weight % aluminum oxide; alumina-zirconia; antimony; antimony oxide; antimony trioxide; and mixtures thereof.
Source: PVGPATDIS, file of 2026-04-10 (ipg140603.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| SSW HOLDING COMPANY, LLC 24 patents | US company or organization | Barling, AR | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Jeffrey Alan Ambrose | Evansville, IN | 11 | PVGPATDIS, file of 2026-04-10 | |
| Gail Mackiewicz-Ludtka | Oak Ridge, TN | 1 | PVGPATDIS, file of 2026-04-10 | |
| Vinod K. Sikka | Oak Ridge, TN | 21 | PVGPATDIS, file of 2026-04-10 | |
| Jun Qu | Knoxville, TN | 33 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C23C | Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general | C23C26/00 | PVGPATDIS, file of 2026-04-10 |
| F24C | Domestic stoves or ranges ; details of domestic stoves or ranges, of general application | F24C15/16 | PVGPATDIS, file of 2026-04-10 |
| Y10T | Technical subjects covered by former us classification | Y10T29/49885 | 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 |
|---|---|---|---|---|---|
| 2021-12-01 | Security interest Security interest Security interest | SSW ADVANCED TECHNOLOGIES, LLC signed 2021-12-01 | JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT CHICAGO, IL | 58261/546 | PASDL, file of 2026-10-15 |
| 2020-10-20 | Name change Change of name | SSW HOLDING COMPANY, LLC signed 2020-02-21 | SSW ADVANCED TECHNOLOGIES, LLC DALLAS, TX | 54145/284 | PASDL, file of 2026-10-15 |
| 2018-06-14 | Assignment Assignment of assignor's interest | SSW HOLDING COMPANY, INC. signed 2018-04-23 | SSW HOLDING COMPANY, LLC DALLAS, TX | 46091/476 | PASDL, file of 2026-10-15 |
| 2018-04-25 | Security interest Security interest Security interest | SSW INTERMEDIARY LLC signed 2018-04-23 SSW HOLDING COMPANY, LLC signed 2018-04-23 SOUTHERN STEEL & WIRE, LLC signed 2018-04-23 STRAITS STEEL AND WIRE, LLC signed 2018-04-23 AMERICAN APPLIANCE PRODUCTS, LLC signed 2018-04-23 COLLIS, LLC signed 2018-04-23 SSW PREMIER, LLC signed 2018-04-23 SSW REALTY KENTUCKY, L.L.C. signed 2018-04-23 SSW REALTY IOWA, L.L.C. signed 2018-04-23 COLLIS DE MEXICO, LLC signed 2018-04-23 ALABAMA WIRE PRODUCTS, LLC signed 2018-04-23 | JPMORGAN CHASE BANK, N.A. CHICAGO, IL | 45629/272 | 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.