Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
11 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 CNX Resources Corporation’s names, not what it holds today.
Patents granted
11
11 utility, 1976 to Dec 31, 2025
Granted in 2025
2
Against 1 in 2024 and none in 2023
Applications published
18
3 of them in 2025
Names they are printed under
4
a subsidiary, its own name
By yearGrantedApplications published
'05'09'12'13'14'16'17'18'19'22'23'24'25
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
Mechanical elements1
Civil engineering1
Handling1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name4 counted
CNX Gas Company LLC a subsidiary
US, as the owner printed on each patent
4 publishedCNX Resources Corporation its own name
named as the applicant on its applications, in US
12 publishedCNX Resources Corporation its own name
US, as the owner printed on each patent
1 publishedCNX Gas Company LLC a subsidiary
named as the applicant on its applications, in US
1 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Mar 18, 2025 | 12,251,740 | Fluid purging system | Handling | CNX Resources Corporation |
| Feb 25, 2025 | 12,234,713 | Systems and method for efficient transport of fluid separators | Civil engineering | CNX Resources Corporation |
| Oct 22, 2024 | 12,123,433 | Systems and methods for producing cold CNG from wellhead gas pressure | Mechanical elements | CNX Resources Corporation |
| Apr 9, 2019 | 10,253,617 | Down-hole liquid level control for hydrocarbon wells | Civil engineering | CNX Gas Company LLC |
| Jan 2, 2018 | 9,856,728 | Method and apparatus for removing liquid from a gas producing well | Civil engineering | CNX Gas Company LLC |
| Sep 27, 2016 | 9,453,394 | Down-hole liquid level control for hydrocarbon wells | Civil engineering | CNX Gas Company LLC |
| Oct 8, 2013 | 8,550,159 | Down-hole liquid level control for hydrocarbon wells | Civil engineering | CNX Gas Company LLC |
| Mar 5, 2013 | 8,387,689 | Down-hole liquid level control for hydrocarbon wells | Civil engineering | CNX Gas Company LLC |
| Aug 7, 2012 | 8,235,111 | Down-hole liquid level control for hydrocarbon wells | Civil engineering | CNX Gas Company LLC |
| Feb 3, 2009 | 7,484,562 | Method and apparatus for controlling a quantity of a specific gas in a group of gases produced from a given well bore | Civil engineering | CNX Gas Company LLC |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Jun 12, 2025 | 2025/0187046 | FLUID PURGING SYSTEM | Handling | CNX Resources Corporation |
| May 22, 2025 | 2025/0163791 | APPARATUS AND METHOD FOR THREE-PHASE SEPARATION AT A WELL | Chemical engineering | CNX Resources Corporation |
| Jan 9, 2025 | 2025/0012297 | SYSTEMS AND METHODS FOR PRODUCING COLD CNG FROM WELLHEAD GAS PRESSURE | Mechanical elements | CNX Resources Corporation |
| Jun 6, 2024 | 2024/0183591 | Energy Provision and Cooling of Devices That Require Thermal Management System from Wellhead Gas Pressure | Thermal processes and apparatus | CNX Resources Corporation |
| Mar 14, 2024 | 2024/0084822 | Systems and Methods for Producing Cold CNG from Wellhead Gas Pressure | Mechanical elements | CNX Resources Corporation · patent 12,123,433 granted from it |
| Jan 4, 2024 | 2024/0003238 | SYSTEMS AND METHOD FOR EFFICIENT TRANSPORT OF FLUID SEPARATORS | Civil engineering | CNX Resources Corporation · patent 12,234,713 granted from it |
| Dec 21, 2023 | 2023/0408020 | FLUID PURGING SYSTEM | Handling | CNX Resources Corporation · patent 12,251,740 granted from it |
| Jul 6, 2023 | 2023/0213277 | SYSTEM AND METHOD FOR EFFICIENT NATURAL GAS PRETREATMENT | Chemical engineering | CNX Resources Corporation |
| Jun 22, 2023 | 2023/0193759 | EXPANDER SYSTEMS FOR HARNESSING ENERGY FROM PRESSURIZED FLUID FLOW | Engines, pumps, turbines | CNX Resources Corporation |
| Apr 6, 2023 | 2023/0105967 | FLUID PURGING SYSTEM | Handling | CNX Resources Corporation |
What it applied for, 2024 to 2025: Mechanical elements 2 · Civil engineering 1 · Thermal processes and apparatus 1 · Chemical engineering 1 · Handling 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.