Feeding apparatus, gluing device, and control method of feeding apparatus
US-2024424522-A1 · Dec 26, 2024 · US
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Barrel pumps
Barrel pumps · 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 | B67D7/645 |
| Official title | {Barrel pumps} |
| Display label | Barrel pumps |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 5 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Feeding device for flowable material
US-2024383631-A1 · Nov 21, 2024 · US
Bulk unloader follower seal
US-12007028-B2 · Jun 11, 2024 · US
Fluid pressure feeding device
US-11518672-B2 · Dec 6, 2022 · US
Fluid dispensing apparatus and method
US-11484899-B2 · Nov 1, 2022 · US
Viscous material supply device, cover sheet used in viscous material supply device, viscous material supply method, and method for attaching cover sheet
US-11480164-B2 · Oct 25, 2022 · US
Fluid pressure-feed device
US-11377340-B2 · Jul 5, 2022 · US
Fluid dispensing apparatus and method
US-2022023900-A1 · Jan 27, 2022 · US
Push-out apparatus
US-11154897-B2 · Oct 26, 2021 · US
Drum heater assembly
US-2021285650-A1 · Sep 16, 2021 · US
Fluid pressure feeding device
US-2021238024-A1 · Aug 5, 2021 · US
Fluid dispensing apparatus and method
US-11027300-B2 · Jun 8, 2021 · US
Container emptying device and methods for operating and cleaning a container emptying device
US-10913651-B2 · Feb 9, 2021 · US
Bulk unloader follower seal
US-2020318739-A1 · Oct 8, 2020 · US
Push-out apparatus
US-2020246826-A1 · Aug 6, 2020 · US
Fluid dispensing apparatus and method
US-2020188946-A1 · Jun 18, 2020 · US
Fluid dispensing apparatus and method
US-10576486-B2 · Mar 3, 2020 · US
Viscous material supply device, cover sheet used in viscous material supply device, viscous material supply method, and method for attaching cover sheet
US-2020018299-A1 · Jan 16, 2020 · US
Fluid pressure-feed device
US-2019314858-A1 · Oct 17, 2019 · US
Fluid dispensing apparatus and method
US-2019015859-A1 · Jan 17, 2019 · US