Aeration butterfly valve

The ornamental design for the aeration butterfly valve, as shown and described.

FIG. 1 is a top view of the aeration butterfly valve of this invention;

FIG. 2 is a bottom view;

FIG. 3 is a left side view;

FIG. 4 is a right side view;

FIG. 5 is a front view; and,

FIG. 6 is a back view.

Patent	Priority	Assignee	Title
D734431,	Jul 25 2014	Champ-Air Refrigeration Hardware Co., Ltd.	Tube expander
D755348,	Nov 12 2014	GLOBAL SALES GROUP COMPANY	Drain valve
D768266,	Nov 05 2014	PRAXAIR TECHNOLOGY, INC	Combined housing and lever for a gas cylinder valve
D981534,	Dec 28 2020		Ventilation valve
ER6,
ER6154,
ER718,
ER7297,
ER9757,

Patent	Priority	Assignee	Title
4770388,	Apr 30 1986	E. I. du Pont de Nemours and Company	Latched valve handle
5052655,	Jul 18 1990	WATTS REGULATOR CO	Ball valve lock plate
5058622,	Jan 12 1990	STOCKHAM VALVES & FITTINGS, INC , A CORPORATION OF DE	Valve lock assembly
5188335,	Jun 02 1992	FRATELLI PETTINAROLI S.P.A.	Ball valve with lockable security device
5598724,	Dec 26 1995	NORTH SAFETY PRODUCTS L L C	Butterfly valve safety lock
6959909,	Jan 26 2004	Victaulic Company	Actuating handle assembly
158338,
191425,
D297354,	Nov 27 1985	Precision Fitting and Valve Company, Inc.	Locking fluid valve
D321928,	Feb 28 1989	Universal Valve Company, Inc.	Combination ball valve and check valve
D359343,	Sep 03 1993		Combined sanitary coupling and ball valve
D400970,	Sep 29 1997	Bestwill Corporation	One-quarter turn straight ball shutoff valve
D468806,	Apr 17 2002	PRESSURE SPECIALIST, INC	Valve
D588232,	Mar 13 2006	GIACOMINI S P A	Valve
D624628,	Apr 13 2009	Lake Red Rock LLC	Valve
D686298,	Sep 14 2012	Barksdale, Inc.	Integral valve-actuator

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Dec 26 2012		Bulk Tank Inc.	(assignment on the face of the patent)
May 20 2016	Bulk Tank, Inc	CARROLLTON BANK	SECURITY INTEREST SEE DOCUMENT FOR DETAILS	038880	0098	pdf

n/a

Date	Maintenance Fee Events

n/a

Date	Maintenance Schedule