USPTO trademark

POWERHOUSE

RegisteredUSPTOWord markClass 9Class 41

"POWERHOUSE" is a word mark owned by Alliant Energy Corporation, filed at the USPTO on September 5, 2002. It is registered and covers classes 9 and 41.

View Alliant Energy Corporation portfolio Get this data via the API

Data current as of May 16, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since April 24, 2018
Filed: September 5, 2002
Registered: May 15, 2007
Expires: Not recorded
Application no.: 76446943
Registration no.: 3240979
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 2 classes

Ownership

Who owns POWERHOUSE

The owner on file, matched to the company behind it. Every owner-name spelling for that company is grouped on its page.

Owner

Alliant Energy Corporation

LNT · Madison, United States

57 trademarks in the portfolioView company

Representative

Winfield B. Martin

Perkins Coie LLP

Goods and services

What the mark covers

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

09Class 9 · Computers and Scientific Devices
(( PRERECORDED [ VIDEOTAPES ] * VIDEO RECORDINGS * FEATURING TOPICS RELATED TO SAFETY, LIGHTING, ENERGY EFFICIENCY, HOME COMFORT AND HOME IMPROVEMENT ))
41Class 41 · Education and Entertainment
ENTERTAINMENT IN THE NATURE OF ON-GOING EDUCATIONAL TELEVISION PROGRAMS IN THE FIELD OF SAFETY, LIGHTING, ENERGY EFFICIENCY, HOME COMFORT AND HOME IMPROVEMENT

History

What has happened so far

Steps recorded by the USPTO, newest first.

May 15, 2026Courtesy reminder - sec. 8 (10-yr)/sec. 9 e-mailed
March 16, 2026Teas withdrawal of attorney received-firm retains
March 16, 2026Teas change of correspondence received
March 16, 2026Attorney/dom.rep.revoked and/or appointed
March 16, 2026Teas revoke/app/change addr of atty/dom rep received
March 16, 2026Applicant/correspondence changes (non-responsive) entered
March 16, 2026Teas change of owner address received
February 5, 2020Attorney/dom.rep.revoked and/or appointed
February 5, 2020Teas revoke/app/change addr of atty/dom rep received
April 24, 2018Notice of acceptance of sec. 8 & 9 - e-mailed

10 earlier steps on the official record.

FAQ

About POWERHOUSE

Who owns the trademark "POWERHOUSE"?

The USPTO trademark "POWERHOUSE" (application 76446943) is owned by Alliant Energy Corporation.

What is the status of "POWERHOUSE"?

Its status at the USPTO is: registered.

When was "POWERHOUSE" registered?

It was registered on May 15, 2007.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull POWERHOUSE 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 key View docs

GET /v1/trademarks/{id}

ID=tm_019d1f03-f94d-723f-ab27-7510594aa17e
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d1f03-f94d-723f-ab27-7510594aa17e",
  "object": "trademark",
  "mark_text": "POWERHOUSE",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "76446943",
  "filing_date": "2002-09-05",
  "nice_classes": [
    9,
    41
  ],
  "owners": [
    {
      "name": "Alliant Energy Corporation",
      "entity_id": "ent_019eb6ff-897f-71f9-9cf0-1a65d0fcbcd8"
    }
  ]
}