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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Section 8/9 declaration window

March 20, 2030

1230 days remaining

MEM

MEMTEK

REGISTERED

Serial: 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.

What to file next

Section 9 renewal, filed with a Section 8 declaration

When: Due between the ninth and tenth anniversary of registration, then before each tenth anniversary after that.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed renewal cancels the registration, and there is no revival route for it.

How Section 9 renewal works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

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.

Status History

45 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 11, 2025

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 11, 2025

Code CHAN

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

Nov 11, 2025

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 11, 2025

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 11, 2025

Code TCCA

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

Apr 08, 2024

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 08, 2024

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 08, 2024

Code TCCA

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

Feb 17, 2022

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 17, 2022

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 17, 2022

Code TCCA

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 12, 2021

Code ASCK

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Apr 14, 2021

Code ASCK

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 15, 2019

Code APRE

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

Jul 15, 2019

Code 89AG

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Jul 15, 2019

Code RNL3

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

Jul 15, 2019

Code NA89

TEAS SECTION 8 & 9 RECEIVED

Jun 06, 2019

Code E89R

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

Mar 20, 2019

Code REM2

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

Mar 25, 2014

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 25, 2014

Code ARAA

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Feb 26, 2014

Code ASGN

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Feb 05, 2014

Code ASCK

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jan 15, 2014

Code ASGN

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 27, 2011

Code ASGN

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

Mar 17, 2010

Code 89AG

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Mar 17, 2010

Code RNL2

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 16, 2010

Code APRE

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

Mar 03, 2010

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 03, 2010

Code ARAA

TEAS SECTION 8 & 9 RECEIVED

Mar 03, 2010

Code E89R

CASE FILE IN TICRS

Dec 18, 2008

Code CFIT

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 11, 2007

Code ASGN

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

Dec 14, 2000

Code 89AG

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Dec 14, 2000

Code RNL1

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

Mar 24, 2000

Code 89AF

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

Mar 24, 2000

Code 89AF

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

Jun 14, 1996

Code C15A

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

Nov 06, 1995

Code 815F

REGISTERED-PRINCIPAL REGISTER

Mar 20, 1990

Code R.PR

PUBLISHED FOR OPPOSITION

Dec 26, 1989

Code PUBO

NOTICE OF PUBLICATION

Nov 27, 1989

Code NPUB

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 13, 1989

Code CNSA

ASSIGNED TO EXAMINER

Oct 02, 1989

Code DOCK

ASSIGNED TO EXAMINER

Oct 02, 1989

Code DOCK

MEMTEK

What to file next

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