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Lincoln Electric Holdings, Inc. (LECO)

Nasdaq: LECO · Metalworkg Machinery & Equipment · Cleveland, OH · filing with the SEC since 1994
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Grade6.3
◀ Past 7.0● Present 6.9▶ Future 4.9
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Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

1,179 patents granted to the 17 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 Lincoln Electric Holdings, Inc.’s names, not what it holds today.

Patents granted
1,179
1,033 utility, 142 design, 4 reissue, 1976 to Dec 31, 2025
Granted in 2025
38
Against 42 in 2024 and 28 in 2023
Applications published
1,242
15 of them in 2025
Names they are printed under
17
a subsidiary
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
Machine tools78
Handling11
Control10
Engines, pumps, turbines5
Chemical engineering4
Materials, metallurgy4
Optics3
Environmental technology2
Mechanical elements2
Computer technology2
Thermal processes and apparatus1
Transport1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name17 counted
LINCOLN GLOBAL, INC. a subsidiary
US, as the owner printed on each patent
1,120 granted
700 published
Lincoln Global, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
457 published
LINCOLN GLOBAL, INC., a DELAWARE corporation a subsidiary
US, as the owner printed on each patent
0 granted
46 published
Fori Automation, Inc. a subsidiary
US, as the owner printed on each patent
17 granted
9 published
VANAIR MANUFACTURING, INC. a subsidiary
US, as the owner printed on each patent
14 granted
9 published
Red Viking Group, Inc. a subsidiary
US, as the owner printed on each patent
15 granted
1 published
Vanair Manufacturing, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
10 published
J.W. HARRIS CO., INC. a subsidiary
US, as the owner printed on each patent
7 granted
2 published
ALLOY STEEL AUSTRALIA (INT PTY LTD a subsidiary
AU, as the owner printed on each patent
2 granted
1 published
INROTECH A/S a subsidiary
named as the applicant on its applications, in DK
0 granted
3 published
LINCOLN ELECTRIC COMPANY OF CANADA LP a subsidiary
CA, as the owner printed on each patent
2 granted
0 published
DUCTIL SA a subsidiary
RO, as the owner printed on each patent
1 granted
0 published
DUCTIL SA a subsidiary
named as the applicant on its applications, in RO
0 granted
1 published
Fori Automation, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
LINCOLN ELECTRIC ITALIA S.R.L. a subsidiary
IT, as the owner printed on each patent
1 granted
0 published
Lincoln Electric Italia S.r.l. a subsidiary
named as the applicant on its applications, in IT
0 granted
1 published
Lincoln Global, Inc., a Corporation of Ohio a subsidiary
US, as the owner printed on each patent
0 granted
1 published
Names not counted (1)
Lincoln Global, Inc.
No country is printed for it. 0 granted and 7 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Dec 30, 2025D1,107,892AC port damper assemblyRed Viking Group, Inc.
Dec 9, 202512,491,574TIG welding systemMachine toolsLINCOLN GLOBAL, INC.
Sep 30, 202512,427,596Hybrid projected and streaming pulse weldingMachine toolsLINCOLN GLOBAL, INC.
Sep 23, 2025D1,094,495Welding tableLINCOLN GLOBAL, INC.
Sep 23, 202512,420,409Weld angle correction deviceHandlingLINCOLN GLOBAL, INC.
Sep 9, 2025D1,092,580Welder enclosureLINCOLN GLOBAL, INC.
Aug 12, 202512,385,210Additive manufacturing of tubular jointsComputer technologyLINCOLN GLOBAL, INC.
Jul 29, 2025D1,086,433Ventilation portRed Viking Group, Inc.
Jul 29, 2025D1,086,245Welding tableLINCOLN GLOBAL, INC.
Jul 8, 2025D1,082,817Display screen or portion thereof with a graphical user interface for an electric vehicle chargerLINCOLN GLOBAL, INC.
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Dec 4, 20252025/0367768CONSUMABLE ELECTRODE FOR SHIELDED METAL ARC WELDINGMachine toolsLincoln Global, Inc.
Nov 6, 20252025/0341261SURGE GUARD VALVE FOR GAS SUPPLY LINEMechanical elementsLincoln Global, Inc.
Sep 25, 20252025/0296178CONSUMABLE ELECTRODE FOR SHIELDED METAL ARC WELDINGMachine toolsLincoln Global, Inc.
Sep 11, 20252025/0281991HYBRID ARC WELDING SYSTEMMachine toolsLincoln Global, Inc.
Sep 4, 20252025/0276575MULTI-COMPONENT AUXILIARY POWER SYSTEM AND WORK VEHICLETransportVanair Manufacturing, Inc.
Jul 24, 20252025/0235354MOBILE ROLL CURTAIN FOR A WELDING TABLEMedical technologyLincoln Global, Inc.
Jul 3, 20252025/0214170MECHANIZED AND COORDINATED MOTION FOR FILLET AND GROOVE WELDINGMachine toolsLincoln Global, Inc.
Jun 26, 20252025/0205803WELDING SYSTEM DEVICE DETECTIONMachine toolsLincoln Global, Inc.
May 8, 20252025/0144753MOBILE WELDING ROBOT WITH REMOTE CENTER OF MOTIONMachine toolsINROTECH A/S
Apr 10, 20252025/0114854ELECTRODE METAL PREHEATING FOR ARC START IMPROVEMENTMachine toolsLincoln Global, Inc.
What it applied for, 2024 to 2025: Machine tools 16 · Handling 3 · Medical technology 2 · Transport 2 · Control 2 · Chemical engineering 2.

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.

SI Assistanton LECO · research, not advice