Spacer arrangement for a mounting compartment of a rail vehicle and method for installing a draft gear and a spacer arrangement in a mounting compartment
US-2026091811-A1 · Apr 2, 2026 · US
Draw-gear combined with buffing appliances (continuous B61G9/12)
Draw-gear combined with buffing appliances (continuous B61G9/12) · 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 | B61G9/04 |
| Official title | Draw-gear combined with buffing appliances (continuous B61G9/12) |
| Display label | Draw-gear combined with buffing appliances (continuous B61G9/12) |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rail vehicle coupler system
US-2026054754-A1 · Feb 26, 2026 · US
Transport vehicle and transport apparatus
US-2023406372-A1 · Dec 21, 2023 · US
Coupler for a rail vehicle and a rail vehicle with a coupler
US-2023211814-A1 · Jul 6, 2023 · US
Coupler for a rail vehicle and rail vehicle with a coupler
US-2023211815-A1 · Jul 6, 2023 · US
Energy dissipating device suitable to be used as part of a connection device that connects a first car of a multi-car vehicle with a second car of a multi-car vehicle and method for dissipating energy in a connection device
US-11459004-B2 · Oct 4, 2022 · US
Articulated joint connection device, and coupling device with a coupling bar with coupling bar parts which can be connected via an articulated joint connection device
US-11407435-B2 · Aug 9, 2022 · US
Crash system for a rail vehicle
US-11318967-B2 · May 3, 2022 · US
Coupler assembly and straddle type rail train with same
US-11312400-B2 · Apr 26, 2022 · US
Energy dissipating device suitable to be used as part of a connection device that connects a first car of a multi-car vehicle with a second car of a multi-car vehicle and method for dissipating energy in a connection device
US-2021139058-A1 · May 13, 2021 · US
Energy absorbing fastener and pivot anchor and car
US-10960906-B2 · Mar 30, 2021 · US
Energy dissipating device and connection device comprising such an energy dissipating device
US-10882542-B2 · Jan 5, 2021 · US
Draft and buffer apparatus
US-10611387-B2 · Apr 7, 2020 · US
Articulated joint connection device, and coupling device with a coupling bar with coupling bar parts which can be connected via an articulated joint connection device
US-2020094859-A1 · Mar 26, 2020 · US
Crash system for a rail vehicle
US-2020001903-A1 · Jan 2, 2020 · US
Coupling assembly and rail vehicle having same
US-10518789-B2 · Dec 31, 2019 · US
Coupler assembly and straddle type rail train with same
US-2019344812-A1 · Nov 14, 2019 · US
Vehicle coupling device
US-10464381-B2 · Nov 5, 2019 · US
Coupling assembly and rail vehicle having same
US-2019329800-A1 · Oct 31, 2019 · US
Energy absorbing fastener and pivot anchor and car
US-2019061789-A1 · Feb 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61G9/04?
- CPC B61G9/04 is the Cooperative Patent Classification code for “Draw-gear combined with buffing appliances (continuous B61G9/12).”
- How many patents are filed under CPC B61G9/04 (Draw-gear combined with buffing appliances (continuous B61G9/12))?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC B61G9/04 growing?
- Publication counts under this code: 4 in 2022 vs 3 in 2023 (latest complete years).