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Patent
D844103
Priority
Jan 18 2017
Filed
Jan 18 2017
Issued
Mar 26 2019
Expiry
Mar 26 2034
Assg.orig
Entity
unknown
6
32
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.
Yoshita, Takao
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 ,
Patent
Priority
Assignee
Title
1996279 ,
2987191 ,
4138337 ,
Nov 17 1977
Filter cartridge
4184966 ,
Sep 29 1977
Tubular filter elements with improved side seam seal
4419241 ,
Jul 18 1981
Sartorius GmbH
Tubular filter element for the filtration of fluids
4735720 ,
Mar 17 1986
Cummins Filtration IP, Inc
Pleated filter element having improved side seam seal
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
20020125188 ,
20080173578 ,
20110147297 ,
20130037478 ,
20130193083 ,
20160354714 ,
20170239599 ,
20170361252 ,
228906 ,
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
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a