Waste Management, Inc. (WM)
NYSE: WM · Refuse Systems · Houston, TX · filing with the SEC since 1994
Grade5.8
◀ Past 5.3● Present 6.1▶ Future 5.9
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026192 patents granted to the 21 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 Waste Management, Inc.’s names, not what it holds today.
Patents granted
192
175 utility, 17 design, 1976 to Dec 31, 2025
Granted in 2025
41
Against 17 in 2024 and 22 in 2023
Applications published
72
11 of them in 2025
Names they are printed under
21
a subsidiary, its own 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
Control13
Measurement13
Environmental technology12
Computer technology10
Audio-visual technology8
Other special machines7
Surface technology, coating6
Chemical engineering6
Basic materials chemistry5
Medical technology4
IT methods for management4
Handling2
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name21 counted
WM INTELLECTUAL PROPERTY HOLDINGS, L.L.C. a subsidiary
US, as the owner printed on each patent
22 published
CONTINUUS MATERIALS INTELLECTUAL PROPERTY, LLC a subsidiary
US, as the owner printed on each patent
28 published
Stericycle, Inc. a subsidiary
US, as the owner printed on each patent
1 published
Waste Management, Inc. its own name
US, as the owner printed on each patent
8 published
Chemical Waste Management, Inc. a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in CA)
0 published
Stericycle, Inc. a subsidiary
named as the applicant on its applications, in US
5 published
Chambers Development Co., Inc. a subsidiary
US, as the owner printed on each patent
0 published
WM GreenOps, LLC a subsidiary
US, as the owner printed on each patent
3 published
Western Waste Industries a subsidiary
US, as the owner printed on each patent
0 published
Resource Control, Incorporated a subsidiary
US, as the owner printed on each patent
0 published
WM Bagco LLC a subsidiary
US, as the owner printed on each patent
0 published
WM RECYCLE AMERICA, L.L.C. a subsidiary
US, as the owner printed on each patent
0 published
Waste Management National Services, Inc. a subsidiary
US, as the owner printed on each patent
1 published
Waste Management of Georgia, Inc. a subsidiary
US, as the owner printed on each patent
1 published
Continuus Materials Intellectual Property, LLC a subsidiary
named as the applicant on its applications, in US
1 published
WARNER CO. a subsidiary
named as the applicant on its applications, in US
1 published
WM GTL, Inc. a subsidiary
US, as the owner printed on each patent
0 published
WM Healthcare Solutions, Inc. a subsidiary
US, as the owner printed on each patent
0 published
WM Trash Monitor Plus, LLC a subsidiary
US, as the owner printed on each patent
0 published
Waste Management National Services, Inc. a subsidiary
named as the applicant on its applications, in US
1 published
Waste Management of Illinois, Inc. a subsidiary
US, as the owner printed on each patent
0 published
Names not counted (7)
Summit, Inc.
Most of its patents print GB; this name counts in US. 6 granted and 9 published under it are not counted.
Summit, Inc.
Most of its patents print GB; this name counts in US. 0 granted and 8 published under it are not counted.
SC Holdings, Inc.
Most of its patents print JP; this name counts in US. 5 granted and 0 published under it are not counted.
CR Group, LLC
Most of its patents print AU; this name counts in US. 0 granted and 2 published under it are not counted.
Greenstar, LLC
Also listed as a subsidiary by RCI HOSPITALITY HOLDINGS, INC.. 1 granted and 1 published under it are not counted.
CGS Services, Inc.
Most of its patents print FR; this name counts in US. 0 granted and 1 published under it are not counted.
Greenbow, LLC
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
Newest applications publishedan application is a clue, never a plan
What it applied for, 2024 to 2025: Other special machines 6 · Chemical engineering 5 · Surface technology, coating 4 · Measurement 3 · Environmental technology 3 · Computer technology 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.