Linde plc (LIN)
Nasdaq: LIN · Industrial Inorganic Chemicals · Woking Surrey, GB · filing with the SEC since 2017
Grade6.6
◀ Past 6.3● Present 7.3▶ Future 5.8
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 20262,090 patents granted to the 15 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 Linde plc’s names, not what it holds today.
Patents granted
2,090
2,077 utility, 11 design, 2 reissue, 1976 to Dec 31, 2025
Granted in 2025
16
Against 27 in 2024 and 23 in 2023
Applications published
139
4 of them in 2025
Names they are printed under
15
a subsidiary
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
Chemical engineering39
Mechanical elements15
Environmental technology13
Materials, metallurgy9
Thermal processes and apparatus7
Engines, pumps, turbines6
Measurement6
Other consumer goods6
Basic materials chemistry4
Surface technology, coating4
Machine tools3
Food chemistry3
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name15 counted
Praxair Technology, Inc. a subsidiary
US, as the owner printed on each patent
38 published
The BOC Group plc a subsidiary
GB, as the owner printed on each patent. 2 more under the same name are not counted (printed in US)
15 published
Praxair S.T. Technology, Inc. a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in JP)
3 published
Liquid Carbonic Corporation a subsidiary
US, as the owner printed on each patent. 8 more under the same name are not counted (printed in CA)
0 published
PRAXAIR TECHNOLOGY, INC. a subsidiary
named as the applicant on its applications, in US
41 published
Cryostar SAS a subsidiary
FR, as the owner printed on each patent
14 published
CRYOSTAR SAS a subsidiary
named as the applicant on its applications, in FR
20 published
African Oxygen Limited a subsidiary
ZA, as the owner printed on each patent
2 published
The Medishield Corporation Limited a subsidiary
GB, as the owner printed on each patent
0 published
PRAXAIR S.T. TECHNOLOGY, INC. a subsidiary
named as the applicant on its applications, in US
3 published
Hick, Hargreaves & Company Limited a subsidiary
GB, as the owner printed on each patent
0 published
Linde Kryotechnik AG a subsidiary
named as the applicant on its applications, in CH
2 published
AFRICAN OXYGEN LIMITED a subsidiary
named as the applicant on its applications, in ZA
1 published
Murray Hill Co., Inc. a subsidiary
US, as the owner printed on each patent
0 published
The British Oxygen Company Limited a subsidiary
GB, as the owner printed on each patent
0 published
Names not counted (15)
LINDE PLC
Most of its patents print DE; this name counts in GB, IE, US. 1,240 granted and 466 published under it are not counted.
BOC GROUP PTY LIMITED
Most of its patents print US; this name counts in AU, GB, NL. 738 granted and 45 published under it are not counted.
LINDE PLC
Most of its patents print DE; this name counts in GB, IE, US. 0 granted and 592 published under it are not counted.
BOC HEALTHCARE LIMITED
Most of its patents print US; this name counts in GB. 22 granted and 0 published under it are not counted.
TRANSHIELD
Most of its patents print US; this name counts in GB. 11 granted and 11 published under it are not counted.
TRANSHIELD
Most of its patents print US; this name counts in GB. 0 granted and 12 published under it are not counted.
Linde Gas a.s.
Most of its patents print DE; this name counts in AT, CZ, DK, NO, SE. 8 granted and 1 published under it are not counted.
Spectra Gases Limited
Most of its patents print US; this name counts in GB. 3 granted and 6 published under it are not counted.
OPTIGEN, INC.
Most of its patents print IT; this name counts in US. 3 granted and 0 published under it are not counted.
BOC LIMITED
Most of its patents print FR; this name counts in GB. 2 granted and 0 published under it are not counted.
MEDISHIELD
Most of its patents print NL; this name counts in GB. 0 granted and 2 published under it are not counted.
Augusta Company Limited
Most of its patents print FR; this name counts in TH. 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
What it applied for, 2024 to 2025: Chemical engineering 3 · Engines, pumps, turbines 3 · Thermal processes and apparatus 2 · Materials, metallurgy 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.