Patents

US 10094474 B2: Double-shoulder, double-rail serrated metal gasket

Granted
2018-10-09
Filed
2017-12-28 application 15857177
Type
Utility · 20 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

An isolation 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) is coupled to the inner serrated annular section (105); and a third material (130) is coupled to the outer serrated annular section (110). In one embodiment, the second material (125) has a first thickness (160) and the third material (130) has a second thickness (165) that is less than the first thickness (160). In one embodiment, the metal core (100) defines a first inner diameter (180) and the second material defines a second inner diameter (157) that is less than the first inner diameter (180).

Source: PVGPATDIS, file of 2026-04-10 (ipg181009.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
TEADIT N.A., INC. 7 patentsUS company or organizationPasadena, TXTEADIT N.A., INC. State business registration EXACT high confidence: identical full name and statePVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Jose Carlos Carvalho VeigaRio de Janeiro, BR7PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
F16JPistons ; cylinders; sealingsF16J15/065PVGPATDIS, file of 2026-04-10
F16LPipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in generalF16L25/026PVGPATDIS, file of 2026-04-10

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

RecordedWhatFromToReel/frameSource
2017-12-29Assignment
Assignment of assignor's interest
VEIGA, JOSE CARLOS CARVALHO signed 2017-12-29TEADIT N.A., INC. PASADENA, TX44505/883ECORSEXC, 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.