Patents
US 9890859 B2: Double-rail serrated metal gasket
- Granted
- 2018-02-13
- Filed
- 2015-05-26 application 14721399
- Type
- Utility · 17 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An insulation gasket that includes a metal core (100) defining an inner serrated annular section (105) that is radially spaced from an outer serrated annular section (110); and an annular groove (115) formed between the inner and outer serrated annular sections; and a first material (135) accommodated in the annular groove (115). In certain embodiments, a second material (125) engages the inner serrated annular section (105); and a third material (130) engages the outer serrated annular section. In one embodiment, the first and second materials comprise an electrical insulation material and the third material comprises a fire safe material.
Source: PVGPATDIS, file of 2026-04-10 (ipg180213.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| TEADIT N.A., INC. 7 patents | US company or organization | Pasadena, TX | TEADIT N.A., INC. State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Jose Carlos Carvalho Veiga | Rio de Janeiro, BR | 7 | PVGPATDIS, file of 2026-04-10 | |
| Luiz Paulo Camargo Vieira Romano | Rio de Janeiro, BR | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F16J | Pistons ; cylinders; sealings | F16J15/065 | PVGPATDIS, file of 2026-04-10 |
| F16L | Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general | F16L23/18 | 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 |
|---|---|---|---|---|---|
| 2018-01-08 | Assignment Assignment of assignor's interest | ROMANO, LUIZ PAULO CAMARGO VIEIRA signed 2018-01-08 VEIGA, JOSE CARLOS CARVALHO signed 2018-01-08 | TEADIT N.A., INC. PASADENA, TX | 44557/112 | ECORSEXC, file of 2026-09-25 |
| 2015-07-20 | Assignment Assignment of assignor's interest | ROMANO, LUIZ PAULO CARMARGO VIEIRA signed 2015-06-30 VEIGA, JOSE CARLOS CARVALHO signed 2015-06-30 | TEADIT N.A., INC. PASADENA, TX | 36136/879 | 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.