Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
28 patents granted to the 2 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 Hudson Technologies, Inc.’s names, not what it holds today.
Patents granted
28
28 utility, 1976 to Dec 31, 2025
Granted in 2025
none
in the last year the record reads
Applications published
8
since 2001, to Dec 31, 2025
Names they are printed under
2
its own name
By yearGrantedApplications published
'02'03'06'09'10'11'12'13'14'15'16'17'18'19'20
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
Under which name2 counted
Hudson Technologies, Inc. its own name
US, as the owner printed on each patent
2 publishedHudson Technologies, Inc. its own name
named as the applicant on its applications, in US
6 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Mar 31, 2020 | 10,605,507 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Thermal processes and apparatus | Hudson Technologies, Inc. |
| Oct 8, 2019 | 10,436,488 | Method and apparatus for optimizing refrigeration systems | Computer technology | Hudson Technologies, Inc. |
| Jun 25, 2019 | 10,330,364 | System and method for retrofitting a refrigeration system from HCFC to HFC refrigerant | Basic materials chemistry | Hudson Technologies, Inc. |
| Oct 9, 2018 | 10,094,603 | System and method for retrofitting a refrigeration system from HCFC to HFC refrigerant | Basic materials chemistry | Hudson Technologies, Inc. |
| Aug 7, 2018 | 10,041,713 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Thermal processes and apparatus | Hudson Technologies, Inc. |
| Dec 13, 2016 | 9,519,891 | System and method for recycling non-reusable refrigerant containers | IT methods for management | Hudson Technologies, Inc. |
| Sep 6, 2016 | 9,435,575 | System and method for retrofitting a refrigeration systems from HCFC to HFC refrigerant | Basic materials chemistry | Hudson Technologies, Inc. |
| Aug 23, 2016 | 9,423,165 | Method and apparatus for optimizing refrigeration systems | Computer technology | Hudson Technologies, Inc. |
| Dec 29, 2015 | 9,222,712 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Thermal processes and apparatus | Hudson Technologies, Inc. |
| Apr 15, 2014 | 8,695,364 | System and method for recycling non-reusable refrigerant containers | IT methods for management | Hudson Technologies, Inc. |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Jun 13, 2019 | 2019/0178544 | SYSTEM AND METHOD FOR RETROFITTING A REFRIGERATION SYSTEM FROM HCFC TO HFC REFRIGERANT | Basic materials chemistry | Hudson Technologies, Inc. |
| May 11, 2017 | 2017/0131011 | METHOD AND APPARATUS FOR OPTIMIZING REFRIGERATION SYSTEMS | Computer technology | Hudson Technologies, Inc. · patent 10,436,488 granted from it |
| May 11, 2017 | 2017/0131009 | SYSTEM AND METHOD FOR RETROFITTING A REFRIGERATION SYSTEM FROM HCFC TO HFC REFRIGERANT | Basic materials chemistry | Hudson Technologies, Inc. · patent 10,094,603 granted from it |
| Jan 28, 2016 | 2016/0025395 | SYSTEM AND METHOD FOR RETROFITTING A REFRIGERATION SYSTEM FROM HCFC TO HFC REFRIGERANT | Basic materials chemistry | Hudson Technologies, Inc. · patent 9,435,575 granted from it |
| Dec 31, 2015 | 2015/0377533 | SYSTEM AND METHOD FOR RETROFITTING A REFRIGERATION SYSTEM FROM HCFC TO HFC REFRIGERANT | Basic materials chemistry | Hudson Technologies, Inc. · patent 10,330,364 granted from it |
| Oct 17, 2013 | 2013/0269376 | METHOD AND APPARATUS FOR OPTIMIZING REFRIGERATION SYSTEMS | Computer technology | Hudson Technologies, Inc. · patent 9,423,165 granted from it |
| Feb 16, 2012 | 2012/0041608 | METHOD AND APPARATUS FOR OPTIMIZING REFRIGERATION SYSTEMS | Computer technology | Hudson Technologies, Inc. · patent 8,463,441 granted from it |
| Jan 14, 2010 | 2010/0010681 | METHOD AND APPARATUS FOR OPTIMIZING REFRIGERATION SYSTEMS | Thermal processes and apparatus | Hudson Technologies, Inc. · patent 8,046,107 granted from it |
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.