Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
742 patents granted to the 48 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Xylem Inc’s names, not what it holds today.
Patents granted
742
689 utility, 52 design, 1 reissue, 1976 to Dec 31, 2025
Granted in 2025
41
Against 53 in 2024 and 53 in 2023
Applications published
722
35 of them in 2025
Names they are printed under
48
a subsidiary, its holding company
By yearGrantedApplications published
'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Environmental technology69
Chemical engineering45
Measurement39
Engines, pumps, turbines27
Electrical machinery, apparatus, energy13
Mechanical elements8
Surface technology, coating7
Audio-visual technology5
Medical technology5
Control4
Digital communication4
Thermal processes and apparatus4
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name48 counted
Evoqua Water Technologies LLC a subsidiary
US, as the owner printed on each patent
267 granted
171 publishedEvoqua Water Technologies LLC a subsidiary
named as the applicant on its applications, in US
0 granted
109 publishedSensus Spectrum, LLC a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in IE)
71 granted
14 publishedXylem IP Holdings, LLC its holding company
US, as the owner printed on each patent; a holding company under the name Xylem Inc.
59 granted
23 publishedXylem Europe GmbH a subsidiary
CH, as the owner printed on each patent. 2 more under the same name are not counted (printed in LU, printed in GB)
37 granted
39 publishedFLOW CONTROL LLC a subsidiary
US, as the owner printed on each patent
48 granted
12 publishedFLUID HANDLING LLC a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in IL)
53 granted
6 publishedSensus Spectrum, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
56 publishedFluid Handling LLC a subsidiary
named as the applicant on its applications, in US. 1 more under the same name are not counted (printed in IL)
0 granted
53 publishedYSI, INC. a subsidiary
US, as the owner printed on each patent
36 granted
13 publishedSENSUS USA INC. a subsidiary
US, as the owner printed on each patent
25 granted
20 publishedFLOW CONTROL LLC a subsidiary
named as the applicant on its applications, in US
0 granted
39 publishedXylem Water Solutions Zelienople LLC a subsidiary
US, as the owner printed on each patent
28 granted
10 publishedSENTEC LTD a subsidiary
GB, as the owner printed on each patent. 21 more under the same name are not counted (printed in CH, printed in US, printed in JP)
21 granted
12 publishedNeptune Benson, Inc. a subsidiary
US, as the owner printed on each patent. 3 more under the same name are not counted (printed in GB)
13 granted
9 publishedPURE TECHNOLOGIES LTD a subsidiary
CA, as the owner printed on each patent
19 granted
2 publishedEnviromix, Inc. a subsidiary
US, as the owner printed on each patent
12 granted
6 publishedXylem Water Solutions Zelienople LLC a subsidiary
named as the applicant on its applications, in US
0 granted
17 publishedEvoqua Water Technologies Pte. Ltd. a subsidiary
SG, as the owner printed on each patent
15 granted
1 publishedPURE TECHNOLOGIES LTD. a subsidiary
named as the applicant on its applications, in CA
0 granted
15 publishedMULTITRODE PTY LTD. a subsidiary
AU, as the owner printed on each patent
9 granted
5 publishedSENTEC LTD a subsidiary
named as the applicant on its applications, in GB. 12 more under the same name are not counted (printed in CH, printed in NO, printed in SG)
0 granted
14 publishedENVIROMIX, INC. a subsidiary
named as the applicant on its applications, in US
0 granted
12 publishedYSI, INC. a subsidiary
named as the applicant on its applications, in US
0 granted
12 publishedXYLEM IP HOLDINGS LLC its holding company
named as the applicant on its applications, in US; a holding company under the name Xylem Inc.
0 granted
10 publishedXylem Water Solutions U.S.A., Inc. a subsidiary
US, as the owner printed on each patent
6 granted
2 publishedNeptune-Benson, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
7 publishedEvoqua Water Technologies Canada Ltd. a subsidiary
CA, as the owner printed on each patent
2 granted
4 publishedSensus USA, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
6 publishedXylem Europe GmbH a subsidiary
named as the applicant on its applications, in CH
0 granted
6 publishedXylem Water Solutions Herford GmbH a subsidiary
DE, as the owner printed on each patent
4 granted
2 publishedXylem Water Solutions U.S.A., Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
6 publishedPure Technologies U.S. Inc. a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in CA)
4 granted
0 publishedXylem Vue Inc. a subsidiary
US, as the owner printed on each patent
4 granted
0 publishedCMS Research Corporation a subsidiary
US, as the owner printed on each patent
3 granted
0 publishedSmith-Blair, Inc. a subsidiary
US, as the owner printed on each patent
2 granted
0 publishedXYLEM WATER SOLUTIONS HERFORD GMBH a subsidiary
named as the applicant on its applications, in DE
0 granted
2 publishedMULTITRODE PTY LTD. a subsidiary
named as the applicant on its applications, in AU
0 granted
1 publishedPUREHM INC. a subsidiary
CA, as the owner printed on each patent
1 granted
0 publishedPure Technologies U.S. Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
1 publishedPureHM Inc. a subsidiary
named as the applicant on its applications, in CA
0 granted
1 publishedSentec Limited, A Great Britain corporation a subsidiary
GB, as the owner printed on each patent
0 granted
1 publishedVacom Systems, LLC a subsidiary
US, as the owner printed on each patent
1 granted
0 publishedVacom Systems, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
1 publishedXYLEM ANALYTICS GERMANY GMBH a subsidiary
DE, as the owner printed on each patent
1 granted
0 publishedXylem Dewatering Solutions, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
1 publishedXylem IP UK S. A R. L. a subsidiary
LU, as the owner printed on each patent
1 granted
0 publishedXylem Vue Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
Names not counted (5)
IMT B.V.
Most of its patents print KR; this name counts in NL. 8 granted and 8 published under it are not counted.
IMT B.V.
Most of its patents print KR; this name counts in NL. 0 granted and 8 published under it are not counted.
Sentec Limited
Most of its patents print NO; this name counts in GB. 2 granted and 1 published under it are not counted.
IMT B.V.
Most of its patents print IT; this name counts in NL. 1 granted and 0 published under it are not counted.
IMT B.V.
No country is printed for it. 0 granted and 1 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Dec 23, 2025 | 12,503,379 | Electrochemically activated persulfate for advanced oxidation processes | Environmental technology | Evoqua Water Technologies LLC |
| Dec 16, 2025 | 12,497,314 | Method for supplying return activated sludge | Environmental technology | Xylem Water Solutions U.S.A., Inc. |
| Dec 2, 2025 | 12,486,186 | Process of using demineralized water for chlorate reduction in on-site brine electrochlorination systems | Environmental technology | Evoqua Water Technologies LLC |
| Nov 25, 2025 | 12,479,748 | Methods and systems for treating phosphogypsum-containing water | Environmental technology | Evoqua Water Technologies LLC |
| Nov 18, 2025 | D1,102,399 | Module frame for a water treatment system controller | | Evoqua Water Technologies LLC |
| Nov 18, 2025 | D1,102,265 | Clamp ring for UV generator | | Evoqua Water Technologies LLC |
| Nov 18, 2025 | 12,472,477 | Control of a flow generator in a tank | Chemical engineering | Xylem Europe GmbH |
| Nov 18, 2025 | 12,472,465 | Utilization of biogas scrubber in anaerobic membrane bioreactor systems | Environmental technology | Evoqua Water Technologies Canada Ltd. |
| Nov 4, 2025 | 12,460,646 | Method for performing priming of a submersible pump | Engines, pumps, turbines | Xylem Europe GmbH |
| Oct 21, 2025 | 12,449,070 | Restrained wide range coupling system | Mechanical elements | Sensus Spectrum, LLC |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Dec 25, 2025 | 2025/0388492 | USE OF SUPERCRITICAL CARBON DIOXIDE FOR SORBENT EXTRACTION | Environmental technology | Evoqua Water Technologies LLC |
| Dec 25, 2025 | 2025/0387734 | UV Mesh Cover for Clarifiers and Systems Thereof | Chemical engineering | Xylem Water Solutions Zelienople LLC |
| Dec 18, 2025 | 2025/0383329 | SYSTEMS AND METHODS FOR MEASURING COMPOSITION OF WATER | Environmental technology | Evoqua Water Technologies LLC |
| Dec 11, 2025 | 2025/0376388 | CONCENTRATOR AND CRYSTALLIZER EVAPORATION SYSTEM | Chemical engineering | Vacom Systems, LLC |
| Dec 4, 2025 | 2025/0372878 | COMPACT BROADBAND ANTENNAS FOR WATER METER MODULES | Telecommunications | Sensus Spectrum, LLC |
| Dec 4, 2025 | 2025/0368556 | Chemical Dosing of Dynamic Membrane Systems and Methods Thereof | Environmental technology | Xylem Water Solutions Zelienople LLC |
| Oct 9, 2025 | 2025/0314337 | Restrained Wide Range Coupling System | Mechanical elements | Sensus Spectrum, LLC · patent 12,449,070 granted from it |
| Sep 25, 2025 | 2025/0296860 | ELECTROCHEMICAL FOAM FRACTIONATION AND OXIDATION TO CONCENTRATE AND MINERALIZE PERFLUOROALKYL SUBSTANCES | Environmental technology | Evoqua Water Technologies LLC |
| Sep 25, 2025 | 2025/0296855 | REGENERATIVE MEDIA FILTER AIR SCOURING APPARATUS AND METHOD | Chemical engineering | Neptune-Benson, LLC |
| Sep 18, 2025 | 2025/0290212 | Asymmetric Polarity Reversal for an Electrolytic - Cation Exchange Module (E-CEM) | Surface technology, coating | Evoqua Water Technologies LLC |
What it applied for, 2024 to 2025: Environmental technology 29 · Chemical engineering 15 · Measurement 12 · Engines, pumps, turbines 5 · Surface technology, coating 5 · Mechanical elements 4.
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.