Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
48 patents granted to the 7 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 Comfort Systems USA, Inc.’s names, not what it holds today.
Patents granted
48
41 utility, 6 design, 1 reissue, 1976 to Dec 31, 2025
Granted in 2025
1
in the last year the record reads
Applications published
11
since 2001, to Dec 31, 2025
Names they are printed under
7
a subsidiary
By yearGrantedApplications published
'02'04'05'06'07'11'12'13'14'15'17'18'19'20'25
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
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name7 counted
Control Concepts, Inc a subsidiary
US, as the owner printed on each patent
3 publishedEnvironmental Air Systems, Inc. a subsidiary
US, as the owner printed on each patent
0 publishedEnvirotrol, Inc. a subsidiary
US, as the owner printed on each patent
3 publishedTAS ENERGY, INC. a subsidiary
US, as the owner printed on each patent
1 publishedTAS Energy Inc. a subsidiary
named as the applicant on its applications, in US
3 publishedWalker Engineering a subsidiary
US, as the owner printed on each patent
1 publishedEdwards Electrical & Mechanical, Inc. a subsidiary
US, as the owner printed on each patent
0 publishedNames not counted (2)
OFF, LLC
Most of its patents print JP; this name counts in US. 9 granted and 0 published under it are not counted.
E Solutions LLC
Only generic words.
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Aug 26, 2025 | 12,398,815 | Sanitary pulse valve | Mechanical elements | Control Concepts, Inc |
| Sep 15, 2020 | 10,777,956 | System for supplying electric power to a plurality of load circuit boards including a circuit for oscillation mitigation | Audio-visual technology | TAS ENERGY, INC. |
| Nov 5, 2019 | 10,464,742 | Aerator valve assembly | Mechanical elements | Control Concepts, Inc |
| Dec 18, 2018 | 10,156,297 | Sanitary high pressure aerator valve assembly | Handling | Control Concepts, Inc |
| Sep 19, 2017 | 9,765,902 | Sanitary high pressure aerator valve assembly | Mechanical elements | Control Concepts, Inc |
| Jul 7, 2015 | 9,074,585 | Solar thermal power generation using multiple working fluids in a rankine cycle | Engines, pumps, turbines | TAS ENERGY, INC. |
| Jun 16, 2015 | 9,057,288 | Process utilizing high performance air-cooled combined cycle power plant with dual working fluid bottoming cycle and integrated capacity control | Engines, pumps, turbines | TAS ENERGY, INC. |
| Mar 25, 2014 | RE44,815 | System and method for chilling inlet air for gas turbines | | TAS ENERGY, INC. |
| Sep 17, 2013 | 8,534,039 | High performance air-cooled combined cycle power plant with dual working fluid bottoming cycle and integrated capacity control | Engines, pumps, turbines | TAS ENERGY, INC. |
| Mar 1, 2011 | 7,897,070 | Amorphous silica coating for heat reflectivity and heat resistance | Macromolecular chemistry, polymers | Envirotrol, Inc. |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Nov 21, 2019 | 2019/0357379 | Two-Phase Immersion Cooling System and Method with Enhanced Circulation of Vapor Flow Through a Condenser | Audio-visual technology | TAS Energy Inc. |
| Nov 21, 2019 | 2019/0357378 | TWO-PHASE IMMERSION COOLING SYSTEM AND METHOD WITH ENHANCED CIRCULATION OF VAPOR FLOW THROUGH A CONDENSER | Audio-visual technology | TAS Energy Inc. |
| Nov 29, 2018 | 2018/0339849 | Aerator Valve Assembly | Mechanical elements | Control Concepts, Inc · patent 10,464,742 granted from it |
| Mar 15, 2018 | 2018/0073659 | Sanitary High Pressure Aerator Valve Assembly | Handling | Control Concepts, Inc · patent 10,156,297 granted from it |
| Mar 9, 2017 | 2017/0066589 | Sanitary High Pressure Aerator Valve Assembly | Mechanical elements | Control Concepts, Inc · patent 9,765,902 granted from it |
| Nov 14, 2013 | 2013/0298568 | Process Utilizing High Performance Air-Cooled Combined Cycle Power Plant With Dual Working Fluid Bottoming Cycle and Integrated Capacity Control | Engines, pumps, turbines | TAS Energy Inc. · patent 9,057,288 granted from it |
| Jul 4, 2013 | 2013/0167727 | AIR FILTER AND SILENCER | Engines, pumps, turbines | Walker Engineering · patent 9,611,822 granted from it |
| Feb 2, 2012 | 2012/0023940 | HIGH PERFORMANCE ORC POWER PLANT AIR COOLED CONDENSER SYSTEM | Engines, pumps, turbines | TAS ENERGY, INC. |
| Dec 8, 2005 | 2005/0269270 | pH stable activated carbon | Chemical engineering | Envirotrol, Inc. · patent 7,300,586 granted from it |
| Mar 11, 2004 | 2004/0048733 | Method and system for providing certified reactivated carbon | Chemical engineering | Envirotrol, 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.