Retractable bumper assembly with lock
US-2025282315-A1 · Sep 11, 2025 · US
Metallic springs
Metallic springs · 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 | B60R19/28 |
| Official title | Metallic springs |
| Display label | Metallic springs |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Extendable spring-loaded bumper assembly
US-2025269813-A1 · Aug 28, 2025 · US
Releaseable spring-loaded bumper assembly
US-2025256671-A1 · Aug 14, 2025 · US
Bumper assembly including resettable energy absorber
US-12208758-B2 · Jan 28, 2025 · US
Vehicle hood bumper
US-11951921-B2 · Apr 9, 2024 · US
Bumper assebly including resettable energy absorber
US-2024101058-A1 · Mar 28, 2024 · US
Ground vehicle bumper system
US-11884223-B2 · Jan 30, 2024 · US
Vehicle hood bumper
US-2023182667-A1 · Jun 15, 2023 · US
Mobile robot
US-11648898-B2 · May 16, 2023 · US
Deformation device for a motor vehicle and motor vehicle comprising a deformation device of this type
US-11623593-B2 · Apr 11, 2023 · US
Deformation Device for a Motor Vehicle and Motor Vehicle Comprising a Deformation Device of This Type
US-2022144197-A1 · May 12, 2022 · US
Vehicle front structure
US-11305711-B2 · Apr 19, 2022 · US
Vehicle front structure
US-2021114540-A1 · Apr 22, 2021 · US
Mobile robot
US-2021031371-A1 · Feb 4, 2021 · US
Bumper arrangement for the front region of a passenger car
US-10875480-B2 · Dec 29, 2020 · US
Pedestrian protection device for a motor vehicle
US-10576921-B2 · Mar 3, 2020 · US
Pedestrian protection device for a motor vehicle
US-10501037-B2 · Dec 10, 2019 · US
Bumper Arrangement for the Front Region of a Passenger Car
US-2019308578-A1 · Oct 10, 2019 · US
Deformation structure, in particular for pedestrian protection for a motor vehicle
US-10315597-B2 · Jun 11, 2019 · US
Integral damage control by interaction between a collision detection system and a bumper system
US-10235886-B1 · Mar 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60R19/28?
- CPC B60R19/28 is the Cooperative Patent Classification code for “Metallic springs.”
- How many patents are filed under CPC B60R19/28 (Metallic springs)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC B60R19/28 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).