Who owns the HYWORX ELECTROLYZER STACKS trademark?

The HYWORX ELECTROLYZER STACKS trademark is owned by Stefan Höller.

What is the serial number for HYWORX ELECTROLYZER STACKS?

The USPTO serial number for HYWORX ELECTROLYZER STACKS is 79422712.

What is the registration number for HYWORX ELECTROLYZER STACKS?

HYWORX ELECTROLYZER STACKS is registered under USPTO registration number 8164109.

HYW

USPTO Trademark Record

REGISTERED

HYWORX ELECTROLYZER STACKS

Q: What class is the HYWORX ELECTROLYZER STACKS trademark registered in?

The HYWORX ELECTROLYZER STACKS trademark is registered in Class 007 (Machines, machine tools & power-operated tools), Class 009 (Electronics, software & scientific instruments).

SN 79422712·Reg 8164109·Filed Feb 17, 2025

Owner Stefan Höller

Machines, machine tools, power-operated tools; motors and engines, except for land vehicles; machine coupling and transmission components, except for land vehicles; agricultural implements, other than hand-operated hand tools; incubators for eggs; automatic vending machines.; Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

HYWORX ELECTROLYZER STACKS (Serial No. 79422712), Registration No. 8164109, is a registered US trademark filed on Feb 17, 2025 by Stefan Höller. This trademark covers Class 007 (Machines, machine tools & power-operated tools), Class 009 (Electronics, software & scientific instruments).

early section 8: March 10, 2032

Mark Intelligence

HYWORX ELECTROLYZER STACKS (Reg. #8164109) is a registered US trademark that has been protecting its owner, Stefan Höller, since 2025. The mark covers Class 007 (Machines, machine tools & power-operated tools) and Class 009 (Electronics, software & scientific instruments) respectively. Goods and services include Machines, machine tools, power-operated tools; motors and engines, except for land vehicles; machine coupling and transm.... The mark faced 4 opposition proceedings during prosecution.

FILED

Feb 17, 2025

SERIAL

79422712

REG#

8164109

REGISTERED

Mar 10, 2026

Owner

Applicant

Stefan Höller

Entity

Individual

Address

Große Gröpelgrube 37/3, 23552 Lübeck

Country

Attorney

NamePeter C. Stomma

Law firm

Peter C. Stomma Boyle Fredrickson SC

Docket

1366.018

Address

840 N. Plankinton Ave, New Berlin, WI 53203, United States

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Filing Information

StatusREGISTERED

Filing DateFeb 17, 2025

Serial Number79422712

Registration No.8164109

Registration DateMar 10, 2026

Status DateMar 10, 2026

Published for OppositionJan 20, 2026

Mark TypeDesign with words

Attorney Docket1366.018

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 4× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 007Machines, machine tools & power-operated tools

US codes: 013, 019, 021, 023, 024, 031, 034, 035

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

33 events

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Oct 15, 2026

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Oct 01, 2026

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Oct 01, 2026

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

FINAL DECISION TRANSACTION PROCESSED BY IB

Sep 17, 2026

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

Aug 28, 2026

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Aug 28, 2026

FINAL DISPOSITION NOTICE SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Jun 10, 2026

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Mar 10, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 10, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jan 20, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 20, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 14, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 26, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Dec 22, 2025

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Dec 22, 2025

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Dec 22, 2025

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Dec 22, 2025

EXAMINER'S AMENDMENT ENTERED

EXAMINERS AMENDMENT -WRITTEN

Dec 22, 2025

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Dec 22, 2025

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Dec 22, 2025

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Dec 22, 2025

EXAMINER'S AMENDMENT ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 16, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 16, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Dec 16, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Sep 12, 2025

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Aug 28, 2025

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Aug 28, 2025

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Jul 24, 2025

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

ASSIGNED TO EXAMINER

Jul 23, 2025

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Jul 23, 2025

NON-FINAL ACTION WRITTEN

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 02, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

May 02, 2025

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

May 01, 2025

SN ASSIGNED FOR SECT 66A APPL FROM IB

HYWORX ELECTROLYZER STACKS

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