Tray valve

- Koch-Glitsch, LP
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Description

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.

Claims

The ornamental design for a tray valve, as shown and described.

Referenced Cited
U.S. Patent Documents
4698138 October 6, 1987 Silvey
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6270062 August 7, 2001 Chuang
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8083901 December 27, 2011 Sharma
8720870 May 13, 2014 Pilling
8944419 February 3, 2015 Pilling
8968524 March 3, 2015 Del Corso
9199206 December 1, 2015 Pilling
D816188 April 24, 2018 Armbrister
D816189 April 24, 2018 Nieuwoudt
20050280169 December 22, 2005 Yao
20070023938 February 1, 2007 Fischer
20080018003 January 24, 2008 Pilling et al.
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Foreign Patent Documents
101709754 February 2017 KR
Other references
  • International Search Report and Written Opinion received for PCT application No. PCT/IB2018/060379, dated Apr. 3, 2019, 16 pages.
  • BK1126-Kaibel_R1_280906; Symposium Series No. 152; 2006 IChemE; Unfixed Dividing Wall Technology for Packed and Tray Distillation Columns; 9 pages.
Patent History
Patent number: D898165
Type: Grant
Filed: Dec 19, 2018
Date of Patent: Oct 6, 2020
Assignee: Koch-Glitsch, LP (Wichita, KS)
Inventors: Izak Nieuwoudt (Wichita, KS), Charles Griesel (Wichita, KS)
Primary Examiner: Gino Colan
Application Number: 29/674,081
Classifications
Current U.S. Class: Element Or Attachment (D23/249)