Patents
US 9844738 B1: Tray assembly for gas/liquid contact tower
- Granted
- 2017-12-19
- Filed
- 2016-06-20 application 14999714
- Type
- Utility · 6 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A tray assembly for improved gas/liquid contact in a chemical process tower includes a tray deck and a downcomer. A mixer is provided in the top of the downcomer and a distributor is attached to a floor of the downcomer. The mixer includes at least one mixing baffle parallel to an outlet weir on the tray. The distributor includes a plurality of spaced apart flow directing plates extending downwardly toward and spaced apart from the floor of the downcomer. In combination, the mixer and distributor effect even liquid flow across the surface of a subjacent tray deck.
Source: PVGPATDIS, file of 2026-04-10 (ipg171219.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| AMT International Inc. 26 patents | US company or organization | Plano, TX | AMT INTERNATIONAL, INC. State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Adam T. Lee | Dallas, TX | 11 | PVGPATDIS, file of 2026-04-10 | |
| Pai-Yu Polly Chiang | Dallas, TX | 2 | PVGPATDIS, file of 2026-04-10 | |
| Xie Runxing | Beijing, CN | 1 | PVGPATDIS, file of 2026-04-10 | |
| Wang Changzhi | Beijing, CN | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B01D | Separation | B01D3/324 | PVGPATDIS, file of 2026-04-10 |
| B01F | Mixing, e.g. dissolving, emulsifying or dispersing | B01F23/214 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2016-06-20 | Assignment Assignment of assignor's interest | CHIANG, PAI-YU POLLY signed 2016-06-07 LEE, ADAM T. signed 2016-06-07 CHANXIE, WANG signed 2016-06-12 RUNXING, XIE signed 2016-06-12 | AMT INTERNATIONAL INC. PLANO, TX | 39249/894 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.