L.B. Foster Company (FSTR)
Nasdaq: FSTR · Wholesale-Metals Service Centers & of fices · Pittsburgh, PA · filing with the SEC since 1995
Grade4.8
◀ Past 3.4● Present 4.8▶ Future 6.1
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 202625 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 L.B. Foster Company’s names, not what it holds today.
Patents granted
25
23 utility, 2 design, 1976 to Dec 31, 2025
Granted in 2025
none
Against 1 in 2024 and none in 2023
Applications published
11
since 2001, to Dec 31, 2025
Names they are printed under
4
a subsidiary
By yearGrantedApplications published
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
Transport2
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name4 counted
L.B. Foster Rail Technologies, Inc. a subsidiary
CA, as the owner printed on each patent
3 published
CXT Incorporated a subsidiary
US, as the owner printed on each patent
0 published
L.B. Foster Rail Technologies, Inc. a subsidiary
named as the applicant on its applications, in CA
6 published
Salient Systems, Inc. a subsidiary
US, as the owner printed on each patent
2 published
Names not counted (2)
L.B. Foster GmbH
Most of its patents print US; this name counts in DE. 30 granted and 5 published under it are not counted.
L.B. Foster GmbH
Most of its patents print US; this name counts in DE. 0 granted and 10 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Dec 10, 2024 | D1,053,983 | Trackside tank insert | L.B. Foster Rail Technologies, Inc. | |
| Aug 2, 2022 | D959,597 | Trackside tank | L.B. Foster Rail Technologies, Inc. | |
| Mar 15, 2022 | 11,273,853 | Top of rail resilient bar | Transport | L.B. Foster Rail Technologies, Inc. |
| Oct 26, 2021 | 11,155,284 | Rail port insert | Transport | L.B. Foster Rail Technologies, Inc. |
| Jul 23, 2019 | 10,358,153 | Top of rail foam bar | Transport | L.B. Foster Rail Technologies, Inc. |
| Mar 5, 2019 | 10,220,860 | Wayside friction management system | Transport | L.B. Foster Rail Technologies, Inc. |
| Mar 13, 2018 | 9,914,465 | Top of rail resilient bar | Transport | L.B. Foster Rail Technologies, Inc. |
| Mar 14, 2017 | 9,592,841 | Cumulative inertial tractive effort | Transport | L.B. Foster Rail Technologies, Inc. |
| Sep 13, 2016 | 9,440,665 | Top of rail foam bar | Transport | L.B. Foster Rail Technologies, Inc. |
| May 31, 2016 | 9,352,761 | Wayside friction management system | Transport | L.B. Foster Rail Technologies, Inc. |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Nov 3, 2022 | 2022/0348807 | COATED ADHESION ENHANCEMENT COMPOSITIONS | Transport | L.B. Foster Rail Technologies, Inc. |
| Apr 2, 2020 | 2020/0102484 | ADHESION ENHANCEMENT COMPOSITIONS | Basic materials chemistry | L.B. Foster Rail Technologies, Inc. |
| Oct 24, 2019 | 2019/0322297 | Rail Port Insert | Transport | L.B. Foster Rail Technologies, Inc. · patent 11,155,284 granted from it |
| Jul 19, 2018 | 2018/0201282 | TOP OF RAIL RESILIENT BAR | Transport | L.B. Foster Rail Technologies, Inc. · patent 11,273,853 granted from it |
| Jun 22, 2017 | 2017/0174235 | TOP OF RAIL FOAM BAR | Transport | L.B. Foster Rail Technologies, Inc. · patent 10,358,153 granted from it |
| Sep 8, 2016 | 2016/0257319 | Wayside Friction Management System | Transport | L.B. Foster Rail Technologies, Inc. · patent 10,220,860 granted from it |
| Sep 1, 2016 | 2016/0251025 | CUMULATIVE INERTIAL TRACTIVE EFFORT | Transport | L.B. Foster Rail Technologies, Inc. · patent 9,592,841 granted from it |
| Jun 11, 2015 | 2015/0158509 | TOP OF RAIL FOAM BAR | Transport | L.B. Foster Rail Technologies, Inc. · patent 9,440,665 granted from it |
| Sep 12, 2013 | 2013/0233649 | Wayside Friction Management System | Transport | L.B. Foster Rail Technologies, Inc. · patent 9,352,761 granted from it |
| Mar 1, 2007 | 2007/0044566 | STRESS MONITORING SYSTEM FOR RAILWAYS | Transport | Salient Systems, Inc. · patent 7,869,909 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.