FIG. 1 is a bottom perspective view of a filter for a wet/dry vacuum showing our design;
FIG. 2 is a bottom view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is a side view thereof, showing the side as rotated 90° from that shown in FIG. 3;
FIG. 5 is a top view thereof; and,
FIG. 6 is a top perspective view thereof.
Patent |
Priority |
Assignee |
Title |
3290870, |
|
|
|
3365864, |
|
|
|
3399516, |
|
|
|
3838978, |
|
|
|
4164400, |
Dec 21 1976 |
Scott/Chatham Company |
Filters |
4171963, |
Feb 01 1978 |
Donaldson Company, Inc. |
Filter element support member |
4185974, |
Dec 15 1977 |
FIRST UNION NATIONAL BANK OF NORTH CAROLINA |
Integral filter cage and lid for cannister type vacuum cleaner |
4229193, |
Jul 26 1977 |
FIRST UNION NATIONAL BANK OF NORTH CAROLINA |
Vacuum cleaner and sealed filter bag assembly therefor particularly useful for filtering asbestos fibers from air |
4268289, |
Jan 14 1976 |
Barbron Corporation |
Flame arresting air filter element |
4609387, |
Dec 28 1984 |
FIRST UNION NATIONAL BANK OF NORTH CAROLINA |
Collapsible support cage for vacuum cleaner filter |
4619674, |
Sep 13 1984 |
Filterwerk Mann & Hummel GmbH |
Dual-element filter cartridge for air intake filters designed for a dusty environment |
4619675, |
Jun 24 1983 |
Midori Anzen Co., Ltd. |
Filter for air cleaners |
4906265, |
Jan 12 1989 |
FIRST UNION NATIONAL BANK OF NORTH CAROLINA |
Filter and installation means for dry material filter for electric vacuum cleaner |
4917942, |
Dec 22 1988 |
Minnesota Mining and Manufacturing Company; MINNESOTA MINING AND MANUFACTURING COMPANY, A DE CORP |
Nonwoven filter material |
4976858, |
Aug 12 1987 |
Toyo Roki Seizo Kabushiki Kaisha |
Multi-layer filter medium |
5230722, |
Nov 29 1988 |
Amway Corporation |
Vacuum filter |
5248323, |
Nov 09 1992 |
HMI INDUSTRIES INC |
Vacuum cleaner and filter thereof |
5455983, |
Jan 15 1993 |
Healthy Gain Investments Limited |
Wet/dry utility vacuum cleaner |
5608945, |
Jan 15 1993 |
Healthy Gain Investments Limited |
Wet/dry utility vacuum cleaner |
5647982, |
May 10 1995 |
|
Vacuum filter element |
5733351, |
Aug 12 1996 |
Emerson Electric Co. |
Two stage vacuum cleaner filter |
5840103, |
Nov 24 1994 |
Dyson Technology Limited |
Vacuum cleaner and a filter assembly therefor |
6010550, |
Aug 20 1998 |
|
Air filter for a vacuum cleaner |
6110248, |
Aug 31 1998 |
Shop Vac Corporation |
Dual filter assembly for a vacuum cleaner |
6113663, |
Nov 10 1998 |
Shop Vac Corporation |
Vacuum cleaner having a dual filter assembly |
6162287, |
Apr 23 1999 |
REXAIR LLC |
Filter for vacuum cleaner |
6312508, |
Apr 23 1999 |
REXAIR LLC |
Filter assembly for a vacuum cleaner |
6432180, |
Apr 23 1999 |
REXAIR LLC |
Filter assembly for a vacuum cleaner |
6440191, |
Jun 14 2000 |
Shop Vac Corporation |
Vacuum cleaner filter assembly |
6565637, |
Apr 23 1999 |
REXAIR LLC |
Filter assembly for a vacuum cleaner |
6913635, |
Nov 22 2002 |
Samsung Gwangju Electronics Co. LTD |
Dust collecting filter of vacuum cleaner and vacuum cleaner having the same |
6966935, |
Aug 11 2003 |
|
Filter cleaner for wet/dry vacuum |
7247182, |
May 08 2002 |
Healthy Gain Investments Limited |
Filter assembly for a vacuum cleaner |
7267704, |
Apr 17 2003 |
Healthy Gain Investments Limited |
Filter assembly for a vacuum cleaner |
7374594, |
Nov 23 2005 |
Emerson Electric Co. |
Filter and system for improved sealing and ease of attachment on a vacuum cleaner |
7374595, |
Nov 23 2005 |
Emerson Electric Co. |
Filter and system for improved sealing on a vacuum cleaner |
20020166199, |
|
|
|
20050198766, |
|
|
|
20060123589, |
|
|
|
20060174597, |
|
|
|
20080209875, |
|
|
|
20080245039, |
|
|
|
D333891, |
Jul 11 1990 |
Black & Decker Inc. |
Filter for a vacuum cleaner |
D383881, |
Feb 02 1996 |
Aktiebolaget Electrolux |
Filter for a vacuum cleaner |
D389284, |
Feb 02 1996 |
Aktiebolaget Electrolux |
Filter for a vacuum cleaner |
D389963, |
Aug 19 1996 |
W L GORE & ASSOCIATES, INC |
Filter for a wet/dry vacuum apparatus |
D400323, |
Aug 19 1996 |
W L GORE & ASSOCIATES, INC |
Filter for a wet/dry vacuum cleaner |
D441155, |
Jan 06 1999 |
ROYAL APPLIANCE MFG CO |
Filter for vacuum cleaner |
D443740, |
Jul 02 1999 |
Black & Decker |
Filter for a hand held vacuum cleaner |
D445974, |
Jul 02 1999 |
Black & Decker |
Filter for a hand held vacuum cleaner |
D472683, |
Dec 20 2000 |
Black & Decker Inc.; Black & Decker Inc |
Vacuum cleaner filter |
D494329, |
Aug 16 2002 |
Royal Appliance Mfg. Co.; ROYAL APPLIANCE MFG CO |
Conically shaped filter |
D522194, |
May 13 2004 |
Dyson Technology Limited |
Filter arrangement for a vacuum cleaner |