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Patent
   D844103
Priority
Jan 18 2017
Filed
Jan 18 2017
Issued
Mar 26 2019
Expiry
Mar 26 2034
Inventors
Yoshita, T…
Assg.orig
YOSHIDA TE…
Assg.curr
YOSHIDA TE…
Entity
unknown
Referenced by
6
References
32
Maint.:
n/a
The ornamental design for a filtration drum, as shown and described.

1. A filteration drum

1.1: Perspective

1.2: Front

1.3: Left

1.4: Top

1.5: Perspective

1.6: Cross-sectional

A back view is omitted because it is symmetrical to the front view; a right side view is omitted because it is symmetrical to the left side view; a bottom view is omitted because it is symmetrical to the top view; fig. 1.6 is a cross-sectional view cut horizontally at the center of the top view.
INVENTORS:

Yoshita, Takao

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
10612258, Oct 22 2016 MASTER SPAS, INC Filter assembly having an outer filter element and an inner filter element removably installed within the outer filter element
11697945, Oct 22 2016 Masterspas, LLC Filter assembly having an outer filter element and an inner filter element removably installed within the outer filter element
D880656, Oct 22 2016 Master Spas, Inc. Inner filter element
D897517, Apr 25 2018 DISCOVERY ENERGY, LLC Air filter
D916238, Oct 22 2016 Masterspas, LLC Outer filter element
ER6569,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
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2987191,
4138337, Nov 17 1977 Filter cartridge
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5350515, Mar 29 1993 W L GORE & ASSOCIATES, INC Internally potted end cap for a pleated filter medium
5932108, Sep 07 1993 Magnetic filter assembly
6096212, Jun 10 1997 USF Filtration and Separations Group, Inc.; USF Filtration and Separations Group, Inc Fluid filter and method of making
6524411, Sep 08 1997 3M Innovative Properties Company Method of applying an end-cap to a pleated filter element
8973761, Oct 14 2011 BHA Altair, LLC Method and mold for making a pleated filter cartridge
9566731, Nov 05 2010 MANN+HUMMEL GmbH Filter element, filter device and method for producing a filter element
9943787, Sep 21 2010 HUBB FILTERS, INC Method of filtering a liquid with a filter assembly having a primary and a secondary filter
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D400323, Aug 19 1996 W L GORE & ASSOCIATES, INC Filter for a wet/dry vacuum cleaner
D402735, Feb 06 1998 Pleatco, LLC Filter
D403740, Dec 19 1997 Pleatco, LLC Filter
D427669, Sep 23 1997 Patria Vammas Oy Tube
D440294, Aug 04 2000 Healthy Gain Investments Limited Filter cartridge
D494329, Aug 16 2002 Royal Appliance Mfg. Co.; ROYAL APPLIANCE MFG CO Conically shaped filter
D530779, Apr 22 2004 Zalman Tech Co. Ltd Radiator for a water cooler
D600776, Jan 26 2009 HUBB FILTERS, INC Oil filter
D724179, Mar 10 2014 GVS FILTRATION INC Oil filter
RE37163, May 06 1994 BHA Altair, LLC Unitary filter cartridge
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 18 2017YOSHIDA TEKKO KABUSHIKI KAISHA(assignment on the face of the patent)
Jul 12 2018YOSHITA, TAKAOYOSHIDA TEKKO KABUSHIKI KAISHAASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0472820530 pdf
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