Who owns the HEI trademark?

The HEI trademark is owned by HEI, Inc..

What class is the HEI trademark registered in?

The HEI trademark is registered in Class 040 (Treatment & processing of materials), Class 042 (Scientific, technology & SaaS services).

What is the serial number for HEI?

The USPTO serial number for HEI is 75255747.

What is the registration number for HEI?

HEI is registered under USPTO registration number 2146270.

Sealvo

Home Search: HEIHEI #75255747

Back

Updated Oct 31, 2026·21 searches this week

View on USPTO TSDR Find similar marks

HEI

ABANDONED

Serial: 75255747
Reg: 2146270
Filed: Mar 11, 1997
Owner: HEI, Inc.

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

Full Goods & Services

Class 040Treatment & processing of materials

US codes: 100, 103, 106

First use anywhere: Nov 30, 1967

First use in commerce: Nov 30, 1967

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Nov 30, 1967

First use in commerce: Nov 30, 1967

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

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

Status History

20 events

CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9

Oct 29, 2021

Code CAEX

INITIAL REVIEW ACTION MAILED - SECT 8 & 9

Feb 13, 2008

Code 89IA

PAPER RECEIVED

Oct 15, 2007

Code MAIL

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Oct 15, 2007

Code 89AF

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Jul 20, 2007

Code 89AG

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jul 20, 2007

Code RNL1

ASSIGNED TO PARALEGAL

Jul 03, 2007

Code PLGL

TEAS SECTION 8 & 9 RECEIVED

Jun 04, 2007

Code E89R

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Jun 04, 2007

Code 89AF

CASE FILE IN TICRS

May 16, 2007

Code CFIT

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Mar 18, 2004

Code C15A

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Jan 20, 2004

Code 815F

REGISTERED-PRINCIPAL REGISTER

Mar 24, 1998

Code R.PR

PUBLISHED FOR OPPOSITION

Dec 30, 1997

Code PUBO

NOTICE OF PUBLICATION

Nov 28, 1997

Code NPUB

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 05, 1997

Code CNSA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 06, 1997

Code CRFA

NON-FINAL ACTION MAILED

Aug 27, 1997

Code CNRT

ASSIGNED TO EXAMINER

Aug 15, 1997

Code DOCK

ASSIGNED TO EXAMINER

Aug 08, 1997

Code DOCK

HEI

Full Goods & Services

Filing Basis & Declarations

Other Marks by HEI, Inc.

Other Marks by Christopher J. Schulte

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Industries

USPTO Deadlines

Compare

Resources

Company