Flowserve Corporation (FLS)
NYSE: FLS · Pumps & Pumping Equipment · Irving, TX · filing with the SEC since 1994
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026247 patents granted to the 14 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 Flowserve Corporation’s names, not what it holds today.
Patents granted
247
247 utility, 1976 to Dec 31, 2025
Granted in 2025
1
Against 2 in 2024 and 11 in 2023
Applications published
181
1 of them in 2025
Names they are printed under
14
a subsidiary, a former name
By yearGrantedApplications published
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
Mechanical elements37
Engines, pumps, turbines9
Electrical machinery, apparatus, energy6
Civil engineering3
Chemical engineering1
Semiconductors1
Transport1
Measurement1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name14 counted
Flowserve Management Company a subsidiary
US, as the owner printed on each patent
76 published
Flowserve Management Company a subsidiary
named as the applicant on its applications, in US
78 published
Mogas Industries, Inc. a subsidiary
US, as the owner printed on each patent
9 published
The Duriron Company, Inc. a former name
US, as the owner printed on each patent
0 published
Sterling Industry Consult GmbH a subsidiary
DE, as the owner printed on each patent
1 published
Mogas Industries, Inc. a subsidiary
named as the applicant on its applications, in US
7 published
Flowserve Holdings, Inc. a subsidiary
US, as the owner printed on each patent
0 published
Sterling Industry Consult GmbH a subsidiary
named as the applicant on its applications, in DE
6 published
FLOWSERVE KSM CO., LTD. a subsidiary
KR, as the owner printed on each patent
3 published
Flowserve Essen GmbH a subsidiary
DE, as the owner printed on each patent
0 published
Flowserve Flow Control GmbH a subsidiary
DE, as the owner printed on each patent
0 published
Flowserve US Company a subsidiary
US, as the owner printed on each patent
0 published
K.S.M. Co., Ltd. a subsidiary
named as the applicant on its applications, in KR. 1 more under the same name are not counted (printed in CA)
1 published
Worthington S.p.A. a subsidiary
IT, as the owner printed on each patent
0 published
Names not counted (5)
FLOWSERVE CORP
Most of its patents print SG; this name counts in US. 41 granted and 7 published under it are not counted.
FLOWSERVE CORP
Most of its patents print SG; this name counts in US. 0 granted and 20 published under it are not counted.
KSM CO. LTD
Most of its patents print US; this name counts in KR. 10 granted and 7 published under it are not counted.
FLOWSERVE CORP
Most of its patents print IT; this name counts in US. 1 granted and 1 published under it are not counted.
FLOWSERVE CORP
Most of its patents print NL; this name counts in US. 0 granted and 1 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Mar 27, 2025 | 2025/0100070 | ELECTRIC VEHICLE BATTERY CASE MANUFACTURING METHOD | Electrical machinery, apparatus, energy | K.S.M. Co., Ltd. · patent 12,508,667 granted from it |
| Jun 27, 2024 | 2024/0209946 | TILTABLE FLOATING LIP SEAL | Mechanical elements | Flowserve Management Company |
| May 16, 2024 | 2024/0157407 | BALL VALVE WITH DOWNSTREAM RESIDUE PURGE | Mechanical elements | Flowserve Management Company · patent 12,011,745 granted from it |
| Jan 18, 2024 | 2024/0018934 | VARIABLE SPEED RECONFIGURABLE PUMP/TURBINE CLUSTERS | Engines, pumps, turbines | Flowserve Management Company · patent 12,292,026 granted from it |
| Nov 16, 2023 | 2023/0366469 | PNEUMATIC STANDSTILL SHAFT SEAL | Mechanical elements | Flowserve Management Company · patent 12,129,928 granted from it |
| Aug 17, 2023 | 2023/0258202 | FLUID EXCHANGE DEVICES AND RELATED CONTROLS, SYSTEMS, AND METHODS | Mechanical elements | Flowserve Management Company · patent 12,092,136 granted from it |
| Jun 8, 2023 | 2023/0175591 | SEALING MEMBER AND METHOD FOR MANUFACTURING SAME | Other special machines | FLOWSERVE KSM CO., LTD. |
| Mar 30, 2023 | 2023/0101258 | VALVE WITH EXCHANGEABLE PACKING SEAL CARTRIDGE | Mechanical elements | Flowserve Management Company · patent 11,852,261 granted from it |
| Mar 30, 2023 | 2023/0099720 | VALVE SYSTEM CONFIGURED TO PREVENT CORROSION AT PROCESS LIQUID/VAPOR INTERFACE | Mechanical elements | Flowserve Management Company · patent 11,808,365 granted from it |
| Mar 30, 2023 | 2023/0097609 | VALVE WITH RE-MELTING EXPANSION PORT | Mechanical elements | Flowserve Management Company · patent 11,692,645 granted from it |
What it applied for, 2024 to 2025: Mechanical elements 2 · Engines, pumps, turbines 1 · Electrical machinery, apparatus, energy 1.
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.