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Calumet, Inc. (CLMT)

Nasdaq: CLMT · Petroleum Refining · Indianapolis, IN · filing with the SEC since 2024
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Grade3.3
◀ Past 1.7● Present 3.6▶ Future 5.6
1 est.
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Patents

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

2 patents granted to the 5 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 Calumet, Inc.’s names, not what it holds today.

Patents granted
2
2 utility, 1976 to Dec 31, 2025
Granted in 2025
none
in the last year the record reads
Applications published
5
since 2001, to Dec 31, 2025
Names they are printed under
5
a subsidiary, its own name
By yearGrantedApplications published
'77'11'19'21'22'23
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
Basic materials chemistry1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name5 counted
CALUMET SPECIALTY PRODUCTS PARTNERS, L.P. a subsidiary
named as the applicant on its applications, in US
0 granted
3 published
Bel-Ray Company, Inc. a subsidiary
US, as the owner printed on each patent
0 granted
1 published
Calumet Specialty Products Partners, L.P. a subsidiary
US, as the owner printed on each patent
1 granted
0 published
Montana Renewables, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
The Calumet Co., Inc. its own name
US, as the owner printed on each patent
1 granted
0 published
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Jan 5, 202110,883,061Aviation gasoline compositionsBasic materials chemistryCalumet Specialty Products Partners, L.P.
Mar 29, 19774,014,271Liquid manure systemOther special machinesThe Calumet Co., Inc.
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Oct 5, 20232023/0312341PROCESS FOR RENEWABLE ENERGY FORMATIONBasic materials chemistryMontana Renewables, LLC
Jun 30, 20222022/0202663SUBSTANTIALLY SILICONE-FREE GELLED COMPOSITIONSOrganic fine chemistryCALUMET SPECIALTY PRODUCTS PARTNERS, L.P.
Nov 18, 20212021/0353511GEL STICK COMPOSITIONSOrganic fine chemistryCALUMET SPECIALTY PRODUCTS PARTNERS, L.P.
Nov 14, 20192019/0345403AVIATION GASOLINE COMPOSITIONSBasic materials chemistryCALUMET SPECIALTY PRODUCTS PARTNERS, L.P. · patent 10,883,061 granted from it
Aug 18, 20112011/0202187Lubrication ManagementIT methods for managementBel-Ray Company, Inc.

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 CLMT · research, not advice