Patent
   D816188
Priority
Jun 07 2016
Filed
Jun 07 2016
Issued
Apr 24 2018
Expiry
Apr 24 2033
Assg.orig
Entity
unknown
4
84
n/a
The ornamental design for a tray valve cover, as shown and described.

FIG. 1 is a top perspective view of a tray valve cover showing our new design;

FIG. 2 is a bottom perspective view of the tray valve cover shown in FIG. 1;

FIG. 3 is a rear elevation view of the tray valve cover shown in FIGS. 1 and 2;

FIG. 4 is a left side elevation view of the tray valve cover shown in FIGS. 1-3, with the right side elevation view being a mirror image thereof;

FIG. 5 is a front elevation view of the tray valve cover shown in FIGS. 1-4;

FIG. 6 is a top plan view of the tray valve cover shown in FIGS. 1-5; and,

FIG. 7 is a bottom plan view of the tray valve cover shown in FIGS. 1-6.

The portions of the tray valve cover shown in broken lines are for illustrative purposes only and form no part of the claimed design.

Nieuwoudt, Izak, Armbrister, Clarence A, Griesel, Charles A

Patent Priority Assignee Title
11364451, Dec 27 2017 Koch-Glitsch, LP Contact tray for a mass transfer column
11724211, Dec 27 2017 Koch-Glitsch, LP Contact tray for a mass transfer column
D858715, Feb 05 2018 Engineered Controls International, LLC Regulator bonnet
D898165, Dec 19 2018 Koch-Glitsch, LP Tray valve
Patent Priority Assignee Title
2658737,
2804935,
3087711,
3573172,
3759497,
3770255,
4060399, Aug 30 1976 Scrubber-cooler tower
4118446, Aug 30 1974 Valve tray for mass-exchange apparatus
4620952, Oct 15 1985 Koch-Glitsch, LP Gas liquid contact tray and method
4956127, Mar 08 1989 Koch-Glitsch, LP Downcomer-tray assembly and method
5106556, Mar 08 1989 Koch-Glitsch, LP Method of downcoer-tray vapor venting
5120474, Mar 08 1989 Koch-Glitsch, LP Valve-tray assembly
5147584, Sep 04 1990 Koch-Glitsch, LP Contact tray assembly and method
5164125, Mar 08 1989 KOCH ENTERPRISES, INC ; 4900 SINGLETON, L P Method and apparatus for downcomer-tray operation
5192466, Oct 09 1991 KOCH ENTERPRISES, INC ; 4900 SINGLETON, L P Method of and apparatus for flow promotion
5213719, Sep 28 1992 Koch-Glitsch, LP Gas-liquid contacting device
5223183, Apr 02 1992 UOP Baffled downcomer fractionation tray
5244604, Apr 02 1992 UOP Packing-enhanced baffled downcomer fractionation tray
5262094, May 25 1990 UOP Fractionation tray having packing immediately below tray deck
5277848, Sep 04 1990 KOCH ENTERPRISES, INC ; 4900 SINGLETON, L P Method and apparatus for downcomer tray operation
5318732, Dec 29 1992 UOP Capacity-enhanced multiple downcomer fractionation trays
5453222, Sep 15 1994 Koch-Glitsch, LP Contact tray apparatus and method
5480595, Apr 28 1994 KGI, INC Vapor-liquid contact tray and downcomer assembly and method employing same
5547617, Mar 31 1995 Koch-Glitsch, LP Apparatus for increasing effective active area
5618473, May 09 1995 Koch-Glitsch, LP Fractionation trays
5632935, Apr 28 1994 KGI, INC Vapor-liquid contact tray and downcomer assembly and method employing same
5702647, Mar 31 1995 Koch-Glitsch, LP Multiple downcomer high performance tray assembly
5762668, Jul 24 1996 Koch-Glitsch, LP Apparatus and method for deentrainment in a chemical process tower
5762834, Feb 05 1997 Koch-Glitsch, LP Mass transfer device
5788894, Mar 26 1997 KGI, INC High capacity vapor-liquid contact tray
5837105, Apr 07 1997 Mobil Oil Corporation Co-current contacting separation tray design and methods for using same
5885488, Nov 08 1995 Shell Oil Company Column for counter-currently contacting gas and liquid
5895608, Oct 30 1996 Koch-Glitsch, LP Downcomer for chemical process tower and method of forming the same
5911922, Sep 23 1997 Koch-Glitsch, LP Mass transfer device
5951827, Feb 20 1996 Koch-Glitsch, LP High capacity trays
5972171, Apr 08 1997 Mobil Oil Corporation De-entrainment tray and method of operation
6003847, Oct 30 1996 Koch-Glitsch, LP Downcomer for chemical process tower
6053484, Sep 05 1997 KGI, INC Downcomers for vapor-liquid contact trays
6053485, Oct 10 1997 AMT INTERNATIONAL, INC , A CORPORATION OF TEXAS Apparatus for tray valve attachment
6059934, Apr 07 1997 Mobil Oil Corporation Co-current contacting separation tray design and methods for using same
6076813, May 12 1997 KGI, INC Vapor liquid contact tray with two-stage downcomer
6089550, Sep 22 1998 Koch-Glitsch, LP Mass transfer process
6224043, Sep 10 1997 KGI, INC Downcomers for vapor-liquid contact trays
6270062, Oct 10 1997 AMT International, Inc. Fluids contacting, tray opening, fluid dispersing assembly
6565071, Oct 11 2001 AMT International, Inc Liquid/gas contacting apparatus
6575438, Jun 13 2001 SULZER MANAGEMENT AG Stepped downcomer apparatus and vapor-liquid contact apparatus with same
6592106, Jan 08 2002 Koch-Glitsch, LP Locking hinged joint for vapor-liquid contact trays
6629687, Nov 28 2001 Koch-Glitsch, LP Vapor-liquid contact tray manway
6736378, Jun 18 2001 Koch-Glitsch, LP Contact tray having tray supported downcomers
6817596, Dec 05 2001 SULZER MANAGEMENT AG Tray column
6877725, Nov 19 1997 Mobil Oil Corporation Vapor/liquid contacting cyclone with secondary vanes
6966548, Nov 19 1997 ExxonMobil Research and Engineering Company Vapor/liquid contacting cyclone with secondary vanes
6994331, Apr 22 2003 Koch-Glitsch, LP Vapor-liquid contact trays for mass transfer column and method employing same
7028995, Jul 29 2002 Koch-Glitsch, LP Vapor-liquid contact trays and method employing same
7055810, Apr 22 2003 Koch-Glitsch, LP Expansion ring for mass transfer column and method employing same
7540476, Jul 18 2006 Sulzer Chemtech AG Valve for a contact tray
7540477, Jul 29 2005 Sulzer Chemtech AG Tray valve for a tray column
8191870, Aug 13 2008 Koch-Glitsch, LP Cross-flow tray and method employing same
8480062, May 15 2009 SULZER MANAGEMENT AG Activated hinge-joint
8517354, Mar 20 2008 SULZER MANAGEMENT AG Fluid dispersion unit with directional component vector
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
9027911, May 04 2010 RVT PROCESS EQUIPMENT GMBH Valve tray
20040130041,
20070023938,
20070262022,
20080018003,
20080277260,
20110278745,
20130099402,
20160038851,
BR204953,
CA2096787,
CN1037747,
CN1275673,
CN203075687,
CN2260933,
D728075, Mar 06 2014 One way membrane
EP626185,
EP1317948,
JP4623926,
MXA2011993,
MXA3011497,
RU2233193,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 07 2016Koch-Glitsch, LP(assignment on the face of the patent)
Oct 03 2016NIEUWOUDT, IZAKKoch-Glitsch, LPASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0403680053 pdf
Oct 04 2016ARMBRISTER, CLARENCEKoch-Glitsch, LPASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0403680053 pdf
Oct 28 2016GRIESEL, CHARLESKoch-Glitsch, LPASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0403680053 pdf
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