Refinery apparatus
US-2026084077-A1 · Mar 26, 2026 · US
Tray supports
Tray supports · 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 | B01D3/326 |
| Official title | {Tray supports} |
| Display label | Tray supports |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 6 |
| 2023 | 3 |
| 2024 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vapor-liquid contacting apparatus and process with downcomer at shell
US-12515158-B2 · Jan 6, 2026 · US
Method and system for orifice control of valve pressure drop
US-11958001-B2 · Apr 16, 2024 · US
Support grid for filling material packing
US-11911739-B2 · Feb 27, 2024 · US
Vapor-liquid contacting apparatus and process with downcomer at shell
US-2023415083-A1 · Dec 28, 2023 · US
Vapor-liquid contacting apparatus and process with downcomer at shell
US-11786855-B2 · Oct 17, 2023 · US
Bubble promoter
US-11554328-B2 · Jan 17, 2023 · US
Method for installing trays in plate tower
US-2021308598-A1 · Oct 7, 2021 · US
Bubble promoter
US-2021275938-A1 · Sep 9, 2021 · US
Support grid for filling material packing
US-2021162366-A1 · Jun 3, 2021 · US
Clip for supporting vessel internals, assembly and method of assembly
US-10953342-B2 · Mar 23, 2021 · US
Vapor-liquid contacting apparatus and process with offset contacting modules
US-10933344-B2 · Mar 2, 2021 · US
Annular divided wall column
US-10928129-B2 · Feb 23, 2021 · US
Annular divided wall column with ring shaped collectors and distributers
US-10866025-B2 · Dec 15, 2020 · US
Aperture layout for vapor-liquid contact tray
US-10737196-B2 · Aug 11, 2020 · US
Aperture layout for vapor-liquid contact tray
US-10596483-B2 · Mar 24, 2020 · US
Clip for securing vessel internals and method of assembly
US-10589186-B2 · Mar 17, 2020 · US
Annular divided wall column with ring shaped collectors and distributers for an air separation unit
US-10578357-B2 · Mar 3, 2020 · US
Annular divided wall column for an air separation unit
US-10578355-B2 · Mar 3, 2020 · US
Annular divided wall column for an air separation unit having a ring shaped support grid
US-10578356-B2 · Mar 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D3/326?
- CPC B01D3/326 is the Cooperative Patent Classification code for “Tray supports.”
- How many patents are filed under CPC B01D3/326 (Tray supports)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC B01D3/326 growing?
- Publication counts under this code: 3 in 2023 vs 2 in 2024 (latest complete years).