Who owns the MEMTEK trademark?

The MEMTEK trademark is owned by EVOQUA WATER TECHNOLOGIES LLC.

What class is the MEMTEK trademark registered in?

The MEMTEK trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for MEMTEK?

The USPTO serial number for MEMTEK is 73819758.

What is the registration number for MEMTEK?

MEMTEK is registered under USPTO registration number 1587648.

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MEM

USPTO Trademark Record

REGISTERED

MEMTEK

SN 73819758·Reg 1587648·Filed Aug 17, 1989

Owner EVOQUA WATER TECHNOLOGIES LLC

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

MEMTEK (Serial No. 73819758), Registration No. 1587648, is a registered US trademark filed on Aug 17, 1989 by EVOQUA WATER TECHNOLOGIES LLC. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Section 8/9 declaration window: March 20, 2030

Conflict Analysis

Full conflict analysis for MEMTEK (SN 73819758) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

MEMTEK (Reg. #1587648) is a registered US trademark that has been protecting its owner, EVOQUA WATER TECHNOLOGIES LLC, since 1989. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 17, 1989

SERIAL

73819758

REG#

1587648

REGISTERED

Mar 20, 1990

Filing Information

StatusREGISTERED

Filing DateAug 17, 1989

Serial Number73819758

Registration No.1587648

Registration DateMar 20, 1990

Status DateJul 15, 2019

Published for OppositionDec 26, 1989

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 031

First use anywhere: Jan 31, 1980

First use in commerce: Jan 31, 1980

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

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

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Status History

45 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 11, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 11, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Nov 11, 2025

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 11, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 11, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Apr 08, 2024

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 08, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 08, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Feb 17, 2022

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 17, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 17, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 12, 2021

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Apr 14, 2021

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 15, 2019

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jul 15, 2019

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Jul 15, 2019

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Jul 15, 2019

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Jun 06, 2019

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Mar 20, 2019

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Mar 25, 2014

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 25, 2014

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Feb 26, 2014

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Feb 05, 2014

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jan 15, 2014

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 27, 2011

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Mar 17, 2010

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Mar 17, 2010

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 16, 2010

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Mar 03, 2010

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 03, 2010

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS SECTION 8 & 9 RECEIVED

Mar 03, 2010

TEAS SECTION 8 & 9 RECEIVED

CASE FILE IN TICRS

Dec 18, 2008

CASE FILE IN TICRS

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 11, 2007

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Dec 14, 2000

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Dec 14, 2000

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Mar 24, 2000

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

Mar 24, 2000

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

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

Jun 14, 1996

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

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

Nov 06, 1995

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

REGISTERED-PRINCIPAL REGISTER

Mar 20, 1990

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Dec 26, 1989

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Nov 27, 1989

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 13, 1989

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Oct 02, 1989

ASSIGNED TO EXAMINER

Oct 02, 1989

ASSIGNED TO EXAMINER

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Additional USPTO filings from the same owner.

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