Company Analysis

Graham Corporation (GHM)

NYSE: GHM · General Industrial Machinery & Equipment · Batavia, NY · filing with the SEC since 1994
Grade4.5
◀ Past 5.1● Present 2.9▶ Future 6.1

Patents

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

4 patents granted to the 4 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 Graham Corporation’s names, not what it holds today.

Patents granted
4
4 utility, 1976 to Dec 31, 2025
Granted in 2025
none
Against 2 in 2024 and none in 2023
Applications published
2
since 2001, to Dec 31, 2025
Names they are printed under
4
a subsidiary, its own name
By yearGrantedApplications published
'07'20'24
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
Engines, pumps, turbines2
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name4 counted
P3 TECHNOLOGIES, LLC a subsidiary
US, as the owner printed on each patent
3 granted
0 published
Barber Nichols Inc. a subsidiary
US, as the owner printed on each patent
1 granted
0 published
Graham Corporation its own name
named as the applicant on its applications, in US
0 granted
1 published
P3 Technologies, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
Names not counted (1)
GRAHAM CORP
Most of its patents print CH; this name counts in US. 6 granted and 0 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Aug 13, 202412,060,889High-speed pressurized impeller diskEngines, pumps, turbinesP3 TECHNOLOGIES, LLC
Apr 2, 202411,946,464Self-contained actuating magnetic pumpEngines, pumps, turbinesP3 TECHNOLOGIES, LLC
Jun 16, 202010,683,873Multiple channel diffuserEngines, pumps, turbinesP3 TECHNOLOGIES, LLC
Jan 2, 20077,155,916Supply unit coolingElectrical machinery, apparatus, energyBarber Nichols Inc.
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Dec 26, 20242024/0426319MULTIPLE CHANNEL DIFFUSEREngines, pumps, turbinesP3 Technologies, LLC
Mar 21, 20242024/0093919PROCESS VACUUM SYSTEM WITH CONDENSER AND DUAL EJECTORSChemical engineeringGraham Corporation
What it applied for, 2024 to 2025: Chemical engineering 1 · Engines, pumps, turbines 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.

SI Assistanton GHM · research, not advice