USPTO trademark

HWI

RegisteredUSPTOWord markClass 1Class 17Class 19Class 37

"HWI" is a word mark owned by Harbisonwalker International, Inc., filed at the USPTO on July 3, 2025. It is registered and covers classes 1, 17, 19 and 37.

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Official USPTO record
HWI trademark as filed
As filed with the USPTO
Status
Registered
Since February 17, 2026
Filed
July 3, 2025
Registered
February 17, 2026
Expires
Not recorded
Application no.
99266238
Registration no.
8142293
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
4 classes
Ownership

Who owns HWI

The owner and representative on file with the office.

Owner

Harbisonwalker International, Inc.

Pittsburgh, United States

Representative

Michael A. Jaffe

Renner, Otto, Boisselle & Sklar, LLP

Goods and services

What the mark covers

The products and services HWI is filed for, grouped by Nice class.

  • ceramic and carbonaceous powders used in manufacturing; aluminum oxides; magnesium oxides; silicon carbide for use as a raw material in the manufacture of other goods; carbides

  • ceramic fiber in bulk form, namely, ceramic enamel fiber insulation for industrial molten metal furnaces; ceramic fiber blankets, shapes, and modules, namely, material for thermal insulation and fire protection, namely, fire-resistant panels made of ceramic fibers; ceramic fiber in bulk form for use as refractory insulation in furnaces, namely, ceramic fibers manufactured from different compositions of silica, lime, magnesia, alumina, and zirconia material for use as a refractory lining in furnaces

  • refractory products and materials of all kinds, in the nature of fired refractory material, not of metal, for refractory applications, namely, refractory brick, not of metal, refractory mortar, not of metal, refractory castable mixes, not of metal, alumina refractory, namely, refractory castable mixes, not of metal, containing alumina particles and powders for refractory applications, zirconia refractory, namely, refractory castable mixes, not of metal, containing zirconia particles and powders for refractory applications, silicon carbide refractory, namely, refractory castable mixes, not of metal, containing silicon carbide particles and powders for refractory applications, magnesia refractory, namely, refractory castable mixes, not of metal, containing magnesia particles and powders for refractory applications, refractory, namely, refractory blocks, not of metal, and refractory concrete, refractory cement, refractory tile, namely, refractory blocks, not of metal, refractory gunning mix, not of metal, namely, refractory castables, not of metal, suitable for spraying, refractory construction materials, not of metal, and ceramic refractory material, not of metal, in preformed shapes and assemblies, namely, ceramic shapes for use in refractory furnaces

  • building construction; repair, namely, repair of industrial furnaces, and related equipment and apparatus for use in the processing of molten metal, molten glass and for use in other high heat processing of materials, including, namely, refractory materials within these furnaces and equipment; installation services, namely, installation of refractory materials in the nature of insulating refractory materials, refractory bricks, refractory blocks, refractory castable mixes, refractory cement, refractory mortars, refractory shapes, refractory furnace linings and refractory shapes within industrial furnace equipment and related apparatus used in the handling of molten metal, molten glass, and for other thermal processes; installation and repair of industrial furnaces; installation and repair of industrial heating equipment

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of registration confirmation emailed
  2. Registered-principal register
  3. Official gazette publication confirmation e-mailed
  4. Published for opposition
  5. Notification of notice of publication e-mailed
  6. Approved for pub - principal register
  7. Examiner's amendment entered
  8. Notification of examiners amendment e-mailed
  9. Examiners amendment e-mailed
  10. Examiners amendment -written

7 earlier steps on the official record.

FAQ

About HWI

Who owns the trademark "HWI"?

The USPTO trademark "HWI" (application 99266238) is owned by Harbisonwalker International, Inc.

What is the status of "HWI"?

Its status at the USPTO is: registered.

When was "HWI" registered?

It was registered on February 17, 2026.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull HWI and marks like it into your own product with one request.

  • GET/v1/trademarks/{id}

    The full record: owners, classes, dates and images

  • GET/v1/trademarks/{id}/events

    Every step in the office history

  • GET/v1/proceedings?trademark_id={id}

    Oppositions and cancellations against the mark

Get API keyView docs
GET /v1/trademarks/{id}
ID=tm_019d2aef-bb98-76cf-9f1d-167e1b273077
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2aef-bb98-76cf-9f1d-167e1b273077",
  "object": "trademark",
  "mark_text": "HWI",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "99266238",
  "filing_date": "2025-07-03",
  "nice_classes": [
    1,
    17,
    19,
    37
  ],
  "owners": [
    {
      "name": "HARBISONWALKER INTERNATIONAL, INC.",
      "entity_id": null
    }
  ]
}