Tool storage device and bending system
US-2025242461-A1 · Jul 31, 2025 · US
Tool exchange carts
Tool exchange carts · 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 | B21D37/147 |
| Official title | {Tool exchange carts} |
| Display label | Tool exchange carts |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bending tool storage device and method for feeding a press brake
US-11717871-B2 · Aug 8, 2023 · US
Device for positioning a bending tool
US-11491530-B2 · Nov 8, 2022 · US
Loading method for a machine tool and tool transfer device
US-11471927-B2 · Oct 18, 2022 · US
Forming system
US-11453037-B2 · Sep 27, 2022 · US
Press and process for operating same
US-11292221-B2 · Apr 5, 2022 · US
Tool storage system, production plant and method for manipulating with such a tool storage system
US-10987715-B2 · Apr 27, 2021 · US
Tool storage system, production plant and method for manipulating with such a tool storage system
US-2020316665-A1 · Oct 8, 2020 · US
Punch press set-up
US-2020282443-A1 · Sep 10, 2020 · US
Roller leveler and method for operating same
US-2020269300-A1 · Aug 27, 2020 · US
Straightening apparatus and method of changing rollers thereof
US-10603704-B2 · Mar 31, 2020 · US
Replacement method for attaching and detaching tool for press brake and tool storage device
US-10556262-B2 · Feb 11, 2020 · US
Bending press
US-10532388-B2 · Jan 14, 2020 · US
Bending tool storage device and method for feeding a press brake
US-2020001340-A1 · Jan 2, 2020 · US
Sheet material bending system
US-10486213-B2 · Nov 26, 2019 · US
Forming system
US-2019337034-A1 · Nov 7, 2019 · US
Crossbar support assemblies, bolster cart assemblies, and methods of adjusting a datum for locating a crossbar
US-10441990-B2 · Oct 15, 2019 · US
Device for positioning a bending tool
US-2019262889-A1 · Aug 29, 2019 · US
Loading method for a machine tool and tool transfer device
US-2019262888-A1 · Aug 29, 2019 · US
Press and process for operating same
US-2019240941-A1 · Aug 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D37/147?
- CPC B21D37/147 is the Cooperative Patent Classification code for “Tool exchange carts.”
- How many patents are filed under CPC B21D37/147 (Tool exchange carts)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC B21D37/147 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2025 (latest complete years).