TrademarkDir
DUALAIR
LIVE

Serial Number

75938857

Owner

EVOQUA WATER TECHNOLOGIES LLC

Attorney

Gary C. Ganzi

First Use Date

Sep 1, 1998

Filing Date

Mar 8, 2000

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DUALAIR Trademark

Serial Number: 75938857 • Registration: 2586118

DUALAIR is a trademark filed by EVOQUA WATER TECHNOLOGIES LLC on March 8, 2000. The trademark is classified under Class 11 (Environmental Control). The application is currently registered and active.

Owner Contact Info

EVOQUA WATER TECHNOLOGIES LLC (239 trademarks)

181 Thorn Hill Road
Warrendale, PA 15086

Entity Type: 16

SIEMENS WATER TECHNOLOGIES HOLDING CORP. (150 trademarks)

181 THORN HILL ROAD
WARRENDALE, PA 15086

Entity Type: 03

SIEMENS INDUSTRY, INC. (475 trademarks)

3333 OLD MILTON PARKWAY
ALPHARETTA, GA 30005

Entity Type: 03

USFILTER CORPORATION (168 trademarks)

75 TECHNOLOGY DRIVE
LOWELL, MA 01851

Entity Type: 03

SIEMENS WATER TECHNOLOGIES LLC (158 trademarks)

4800 NORTH POINT PARKWAY, SUITE 250
ALPHARETTA, GA 30022

Entity Type: 16

UNITED STATES FILTER CORPORATION (239 trademarks)

WHITTIER, CA

Entity Type: 03

Trademark Details

Filing Date

March 8, 2000

Registration Date

June 25, 2002

First Use Anywhere

September 1, 1998

First Use in Commerce

November 30, 2001

Published for Opposition

January 16, 2001

Goods & Services

DUAL FINE BUBBLE DIFFUSER FOR DIFFUSING AIR OR GAS, NAMELY OXYGEN OR OZONE, IN THE FORM OF FINE BUBBLES INTO A LIQUID FOR USE IN WASTEWATER TREATMENT

Filing History

TEAS CHANGE OF CORRESPONDENCE RECEIVED
Nov 11, 2025 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Nov 11, 2025 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Nov 11, 2025 REAP
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Nov 11, 2025 CHAN
TEAS CHANGE OF OWNER ADDRESS RECEIVED
Nov 11, 2025 COAR
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Feb 17, 2022 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Feb 17, 2022 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Feb 17, 2022 REAP
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Dec 21, 2021 NA89
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
Dec 21, 2021 RNL2
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Dec 21, 2021 89AG
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Dec 21, 2021 APRE
TEAS SECTION 8 & 9 RECEIVED
Jul 16, 2021 E89R
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Jun 25, 2021 REM2
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
May 12, 2021 ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Apr 14, 2021 ASCK
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Mar 25, 2014 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Mar 25, 2014 REAP
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Feb 26, 2014 ASGN
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Feb 5, 2014 ASCK
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Jan 15, 2014 ASGN
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Oct 10, 2012 NA89
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Oct 10, 2012 RNL1
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Oct 10, 2012 89AG
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
Oct 10, 2012 89AF
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
Jun 19, 2012 EROP
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
Mar 22, 2012 PR89
TEAS SECTION 8 & 9 RECEIVED
Mar 19, 2012 E89R
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Mar 19, 2012 TCCA
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Apr 27, 2011 ASGN
CASE FILE IN TICRS
Nov 15, 2007 CFIT
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Aug 18, 2007 C15A
ASSIGNED TO PARALEGAL
Aug 8, 2007 PLGL
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
Jul 16, 2007 815F
TEAS SECTION 8 & 15 RECEIVED
Jul 16, 2007 E815
TEAS CHANGE OF CORRESPONDENCE RECEIVED
May 17, 2007 TCCA
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Apr 4, 2007 ASGN
REGISTERED-PRINCIPAL REGISTER
Jun 25, 2002 R.PR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
Apr 25, 2002 CNPR
STATEMENT OF USE PROCESSING COMPLETE
Apr 23, 2002 SUPC
USE AMENDMENT FILED
Apr 8, 2002 IUAF
PAPER RECEIVED
Apr 8, 2002 MAIL
SOU EXTENSION 1 GRANTED
Oct 11, 2001 EX1G
SOU EXTENSION 1 FILED
Sep 20, 2001 EXT1
NOA MAILED - SOU REQUIRED FROM APPLICANT
Apr 10, 2001 NOAM
PUBLISHED FOR OPPOSITION
Jan 16, 2001 PUBO
NOTICE OF PUBLICATION
Dec 15, 2000 NPUB
APPROVED FOR PUB - PRINCIPAL REGISTER
Nov 8, 2000 CNSA
CORRESPONDENCE RECEIVED IN LAW OFFICE
Sep 18, 2000 CRFA
NON-FINAL ACTION MAILED
Aug 10, 2000 CNRT
ASSIGNED TO EXAMINER
Aug 3, 2000 DOCK

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