Track rail fastening system having cantilevered third rail support bracket and direct fixation fastener assembly for same
US-2025019907-A1 · Jan 16, 2025 · US
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with armouring or reinforcement (hollow sleepers E01B3/30)
with armouring or reinforcement (hollow sleepers E01B3/30) · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E01B3/32 |
| Official title | with armouring or reinforcement (hollow sleepers E01B3/30) |
| Display label | with armouring or reinforcement (hollow sleepers E01B3/30) |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Track rail fastening system having cantilevered third rail support bracket and direct fixation fastener assembly for same
US-12152351-B2 · Nov 26, 2024 · US
Nonwoven fabric-integrated sleeper pad using rubber pad embedded with stiffener and methods of manufacturing and constructing the same
US-2023374736-A1 · Nov 23, 2023 · US
Track rail fastening system having cantilevered third rail support bracket and direct fixation fastener assembly for same
US-2022178083-A1 · Jun 9, 2022 · US
Durable railway tie
US-10781557-B2 · Sep 22, 2020 · US
Shell cross-member system and railway section including such a system
US-10590609-B2 · Mar 17, 2020 · US
Durable railway tie
US-2018016752-A1 · Jan 18, 2018 · US
Shell cross-member system and railway section including such a system
US-2017268179-A1 · Sep 21, 2017 · US