Rotating track guide components with white-iron segments
US-12479524-B2 · Nov 25, 2025 · US
Rollers with replaceable wear rings or rims (driving sprockets with replaceable rims B62D55/12)
Rollers with replaceable wear rings or rims (driving sprockets with replaceable rims B62D55/12) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B62D55/145 |
| Official title | {Rollers with replaceable wear rings or rims (driving sprockets with replaceable rims B62D55/12)} |
| Display label | Rollers with replaceable wear rings or rims (driving sprockets with replaceable rims B62D55/12) |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Idler for undercarriage system having sacrificial wear rings and wear ring for same
US-12358578-B2 · Jul 15, 2025 · US
Determining idler wear based on position of idler assembly
US-12196549-B2 · Jan 14, 2025 · US
Determining idler wear based on position of idler assembly
US-2024210155-A1 · Jun 27, 2024 · US
Resilient wheel with low-friction and wear resistant sidewall and track system having same
US-2024092437-A1 · Mar 21, 2024 · US
Rubber track
US-11873041-B2 · Jan 16, 2024 · US
Idler for undercarriage system having sacrificial wear rings and wear ring for same
US-2023150593-A1 · May 18, 2023 · US
Idler for undercarriage system in track-type machine and wear pad for same
US-2023150592-A1 · May 18, 2023 · US
Idler weight for drive track assembly
US-11643155-B2 · May 9, 2023 · US
Sprocket for mobile robot track drive
US-11628895-B1 · Apr 18, 2023 · US
Fabricated track roller rim assembly
US-11572113-B2 · Feb 7, 2023 · US
Rotating track guide components with white-iron segments
US-2022289319-A1 · Sep 15, 2022 · US
Bolt-on flat idler segments
US-2022194495-A1 · Jun 23, 2022 · US
Track roller for tracked vehicle
US-11235822-B2 · Feb 1, 2022 · US
Track assembly for an off-road vehicle
US-11186330-B2 · Nov 30, 2021 · US
Rubber track
US-2021300488-A1 · Sep 30, 2021 · US
Sprocket and idler sharing common wheel
US-11104392-B2 · Aug 31, 2021 · US
Fabricated track roller rim assembly
US-2021229761-A1 · Jul 29, 2021 · US
Idler weight for drive track assembly
US-2021214026-A1 · Jul 15, 2021 · US
Idler wheel, crawler-type travel device, and wear plate
US-10668963-B2 · Jun 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B62D55/145?
- CPC B62D55/145 is the Cooperative Patent Classification code for “Rollers with replaceable wear rings or rims (driving sprockets with replaceable rims B62D55/12).”
- How many patents are filed under CPC B62D55/145 (Rollers with replaceable wear rings or rims (driving sprockets with replaceable rims B62D55/12))?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC B62D55/145 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).