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Patent
D898165
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Priority
Dec 19 2018
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Filed
Dec 19 2018
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Issued
Oct 06 2020
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Expiry
Oct 06 2035
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Assg.orig
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Entity
unknown
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1
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20
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n/a
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The ornamental design for a tray valve, as shown and described.
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FIG. 1 is a top perspective view of a tray valve according to our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a cross-sectional view thereof, viewed along line 3-3 in FIG. 2;
FIG. 4 is another cross-sectional view thereof, viewed along line 4-4 in FIG. 2;
FIG. 5 is a top perspective view of the tray valve shown in FIGS. 1-4 shown in a different environment;
FIG. 6 is a bottom perspective view thereof;
FIG. 7 is a right side elevation view thereof, with the left side elevation view being a mirror image of the right side elevation view;
FIG. 8 is a top plan view thereof;
FIG. 9 is a front elevation view thereof;
FIG. 10 is a rear elevation view thereof; and,
FIG. 11 is a bottom plan view thereof.
The broken lines in the drawings define the bounds of the claimed design and form no part thereof.
Nieuwoudt, Izak, Griesel, Charles
Patent |
Priority |
Assignee |
Title |
4698138, |
May 29 1985 |
Mobil Oil Corporation |
De-entrainment chimney and method of operation |
5914012, |
Apr 30 1996 |
BASF Aktiengesellschaft |
Dividing wall column for continuous fractionation of multicomponent mixtures by distillation |
6053485, |
Oct 10 1997 |
AMT INTERNATIONAL, INC , A CORPORATION OF TEXAS |
Apparatus for tray valve attachment |
6270062, |
Oct 10 1997 |
AMT International, Inc. |
Fluids contacting, tray opening, fluid dispersing assembly |
6422539, |
Oct 30 1998 |
AMT International, Inc. |
Tray attachment apparatus |
6830607, |
Jun 15 2001 |
WESTLAKE PETROCHEMICALS LP |
Slurry tray and slurry tray assembly for use in fractionation towers |
7604222, |
Oct 18 2004 |
Air Products and Chemicals, Inc. |
Divided wall exchange column |
8083901, |
Feb 23 2007 |
ExxonMobil Research and Engineering Company |
De-entrainment tray for high capacity operation |
8720870, |
May 11 2010 |
SULZER MANAGEMENT AG |
Contact tray for a mass transfer column |
8944419, |
May 11 2010 |
SULZER MANAGEMENT AG |
Contact tray for a mass transfer column |
8968524, |
Sep 03 2008 |
L AIR LIQUIDE SOCIETE ANONYME POUR L ETUDE ET L EXPLOITATION DES PROCEDES GEORGES CLAUDE |
Method for fabricating divided wall columns |
9199206, |
May 11 2010 |
SULZER MANAGEMENT AG |
Contact tray for a mass transfer column |
20050280169, |
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20070023938, |
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20080018003, |
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20110278745, |
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20170007971, |
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D816188, |
Jun 07 2016 |
Koch-Glitsch, LP |
Tray valve cover |
D816189, |
Jun 07 2016 |
Koch-Glitsch, LP |
Tray valve |
KR101709754, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a