Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
51 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 Tredegar Corporation’s names, not what it holds today.
Patents granted
51
40 utility, 9 design, 2 statutory invention registration, 1976 to Dec 31, 2025
Granted in 2025
1
Against none in 2024 and 1 in 2023
Applications published
7
1 of them in 2025
Names they are printed under
4
a former name, its own name, a subsidiary
By yearGrantedApplications published
'94'95'96'97'98'99'00'01'02'03'20'21'22'23'25
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
Surface technology, coating3
Basic materials chemistry1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name4 counted
Tredegar Industries, Inc. a former name
US, as the owner printed on each patent
0 publishedTredegar Corporation its own name
US, as the owner printed on each patent
1 publishedTREDEGAR SURFACE PROTECTION, LLC a subsidiary
named as the applicant on its applications, in US
6 publishedTREDEGAR SURFACE PROTECTION, LLC a subsidiary
US, as the owner printed on each patent
0 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Sep 2, 2025 | 12,404,426 | Masking film with improved adhesion stability | Basic materials chemistry | TREDEGAR SURFACE PROTECTION, LLC |
| Aug 22, 2023 | 11,732,161 | Masking film for protecting sensitive substrates | Surface technology, coating | TREDEGAR SURFACE PROTECTION, LLC |
| Jan 25, 2022 | 11,230,417 | Films for use as interleaves between substrates | Surface technology, coating | TREDEGAR SURFACE PROTECTION, LLC |
| Dec 7, 2021 | 11,192,338 | Films for use as interleaves between substrates | Surface technology, coating | TREDEGAR SURFACE PROTECTION, LLC |
| May 21, 2002 | D457,328 | Three-dimensional formed and perforated film having a nested polygon design therein | | Tredegar Corporation |
| Jan 2, 2001 | H1,935 | Combination pouch and release sheet and method for producing same | | Tredegar Corporation |
| Dec 5, 2000 | H1,927 | Embossed monolithic polymer film and process of forming the same | | Tredegar Corporation |
| Oct 17, 2000 | 6,132,841 | Wiping device | Surface technology, coating | Tredegar Corporation |
| Oct 3, 2000 | D431,369 | Three-dimensional formed and perforated film having an oval-dot design therein | | Tredegar Corporation |
| Aug 1, 2000 | 6,096,420 | Thin plastic film | Medical technology | Tredegar Corporation |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Mar 20, 2025 | 2025/0092279 | METHOD FOR MANUFACTURING A MASKING FILM AND MASKING FILM MANUFACTURED THEREBY | Other special machines | TREDEGAR SURFACE PROTECTION, LLC |
| Sep 9, 2021 | 2021/0277293 | CARRIER FILM FOR SEMI-CONDUCTOR WAFER PROCESSING | Basic materials chemistry | TREDEGAR SURFACE PROTECTION, LLC |
| Aug 19, 2021 | 2021/0253911 | MASKING FILM WITH IMPROVED ADHESION STABILITY | Basic materials chemistry | TREDEGAR SURFACE PROTECTION, LLC · patent 12,404,426 granted from it |
| Jan 14, 2021 | 2021/0009870 | SURFACE PROTECTION FILM | Basic materials chemistry | TREDEGAR SURFACE PROTECTION, LLC |
| Jul 23, 2020 | 2020/0231348 | FILMS FOR USE AS INTERLEAVES BETWEEN SUBSTRATES | Surface technology, coating | TREDEGAR SURFACE PROTECTION, LLC · patent 11,230,417 granted from it |
| Jun 18, 2020 | 2020/0190371 | MASKING FILM FOR PROTECTING SENSITIVE SUBSTRATES | Surface technology, coating | TREDEGAR SURFACE PROTECTION, LLC · patent 11,732,161 granted from it |
| Jan 30, 2003 | 2003/0022582 | Tear resistant elastic laminate and method of forming | Surface technology, coating | Tredegar Corporation · patent 6,942,748 granted from it |
What it applied for, 2024 to 2025: Other special machines 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.