Patent
   D299521
Priority
Nov 26 1984
Filed
May 20 1988
Issued
Jan 24 1989
Expiry
Jan 24 2003
Assg.orig
Entity
unknown
17
10
n/a
The ornamental design for a diaphragm valve, as shown and described.

FIG. 1 is a front, top and left side perspective view of a diaphragm valve showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Kiyota, Yoshihiro, Muratani, Toyoji

Patent Priority Assignee Title
D344785, Sep 25 1991 Swagelok Company Valve
D370054, Aug 31 1994 ASAHI YUKIZAI KOGYO CO , LTD Diaphragm valve
D372073, Mar 14 1995 Asahi Yukizai Kogyo Co., Ltd. Ball valve
D479577, Jan 28 2002 Tour & Andersson AB Pressure regulator
D537919, Jan 19 2006 Kitz Corporation Ball valve
D609306, Nov 18 2008 SMC Corporation Diaphragm valve
D609307, Nov 18 2008 SMC Corporation Diaphragm valve
D677363, Mar 18 2011 Tour & Andersson AB Valve and handle for a hydronic system
D692099, Oct 23 2012 EATON INTELLIGENT POWER LIMITED Combined valve and handle
D692100, Oct 23 2012 EATON INTELLIGENT POWER LIMITED Combined valve and handle
D726876, Apr 07 2014 CHAMPIONX LLC Ball control valve
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D748759, Jul 25 2014 Guide Valve Limited Valve flange with bleed port
D960321, Jun 11 2019 KARL DUNGS GMBH & CO. KG Venturi signal amplifier
ER1756,
ER2559,
ER9921,
Patent Priority Assignee Title
1855991,
2397373,
2605991,
3268201,
3310281,
3628770,
4214604, Feb 06 1978 TRU-TECH INDUSTRIES, INC Straight through flow diaphragm valve structures
4545565, Dec 08 1983 Asahi Yukizai Kogyo Co., Ltd. Diaphragm valve
228234,
88613,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 20 1988Sekisui Kagaku Kogyo Kabushiki Kaisha(assignment on the face of the patent)
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