Traction coupling
US-12409870-B2 · Sep 9, 2025 · US
with coupling head having a guard arm on one side and a knuckle with angularly-disposed nose and tail portions pivoted to the other side thereof, the nose of the knuckle being the coupling part, and means to lock the knuckle in coupling position, e.g. "A.A.R." or "Janney" type · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61G3/04 |
| Official title | with coupling head having a guard arm on one side and a knuckle with angularly-disposed nose and tail portions pivoted to the other side thereof, the nose of the knuckle being the coupling part, and means to lock the knuckle in coupling position, e.g. "A.A.R." or "Janney" type |
| Display label | with coupling head having a guard arm on one side and a knuckle with angularly-disposed nose and tail portions pivoted to the other side thereof, the nose of the knuckle being the coupling part, and means to lock the knuckle in coupling position, e.g. "A.A.R." or "Janney" type |
| Total patents | 13 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2020 | 2 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12409870-B2 · Sep 9, 2025 · US
US-12365370-B2 · Jul 22, 2025 · US
US-2025196899-A1 · Jun 19, 2025 · US
US-12116026-B2 · Oct 15, 2024 · US
US-12091064-B2 · Sep 17, 2024 · US
US-2023249718-A1 · Aug 10, 2023 · US
US-2023234623-A1 · Jul 27, 2023 · US
US-11440568-B2 · Sep 13, 2022 · US
US-2022242462-A1 · Aug 4, 2022 · US
US-2022242463-A1 · Aug 4, 2022 · US
US-2022153319-A1 · May 19, 2022 · US
US-2020317234-A1 · Oct 8, 2020 · US
US-2020198670-A1 · Jun 25, 2020 · US