PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D754835
|
Priority
Sep 05 2014
|
Filed
Sep 22 2014
|
Issued
Apr 26 2016
|
Expiry
Apr 26 2030
|
|
Assg.orig
|
|
Entity
unknown
|
32
|
32
|
n/a
|
|
|
The ornamental design for a centrifugal fan, as shown and described.
|
FIG. 1 is a front perspective view of a centrifugal fan;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a rear perspective view thereof.
The broken lines in the drawing disclosure depict interior parts of the centrifugal fan that form no part of the claimed design.
Uehara, Akimasa, Ousaka, Satoshi
Patent |
Priority |
Assignee |
Title |
10760579, |
Nov 05 2013 |
Broan-Nutone LLC |
Speaker fan system and method |
D771233, |
Aug 07 2015 |
A. O. Smith Corporation |
Air inlet damper |
D771234, |
Aug 07 2015 |
A. O. Smith Corporation |
Air inlet damper |
D771789, |
Aug 07 2015 |
A. O. Smith Corporation |
Air inlet damper |
D771790, |
Aug 07 2015 |
A. O. Smith Corporation |
Air inlet damper |
D771791, |
Aug 07 2015 |
A. O. Smith Corporation |
Air inlet damper |
D771792, |
Aug 07 2015 |
A. O. Smith Corporation |
Air inlet damper |
D771793, |
Aug 07 2015 |
A. O. Smith Corporation |
Air inlet damper |
D775720, |
Sep 25 2015 |
Delta Electronics, Inc. |
Fan |
D777313, |
Nov 06 2015 |
|
Blower housing |
D779650, |
Aug 07 2015 |
A. O. Smith Corporation |
Air inlet damper |
D791300, |
Nov 27 2014 |
Ubbink B.V. |
Wall duct |
D791301, |
Nov 27 2014 |
Ubbink B.V. |
Wall duct |
D796661, |
Mar 01 2013 |
|
Vent cover with frame |
D801512, |
Sep 22 2016 |
|
Door panel |
D805177, |
Oct 20 2015 |
Kimura Kohki Co., Ltd. |
Air-conditioning outlet |
D805178, |
Oct 20 2015 |
Kimura Kohki Co., Ltd. |
Air-conditioning outlet |
D805179, |
Oct 20 2015 |
Kimura Kohki Co., Ltd. |
Air-conditioning outlet |
D805180, |
Oct 20 2015 |
Kimura Kohki Co., Ltd. |
Air-conditioning outlet |
D805181, |
Oct 20 2015 |
Kimura Kohki Co., Ltd. |
Air-conditioning outlet |
D806854, |
Oct 20 2015 |
Kimura Kohki Co., Ltd. |
Air-conditioning outlet |
D806855, |
Oct 20 2015 |
Kimura Kohki Co., Ltd. |
Air-conditioning outlet |
D809645, |
Aug 07 2015 |
A. O. Smith Corporation |
Air inlet damper |
D938570, |
Feb 04 2019 |
Mitsubishi Electric Corporation |
Casing for blower |
D938571, |
Feb 04 2019 |
Mitsubishi Electric Corporation |
Casing for blower |
D944966, |
Feb 04 2019 |
Mitsubishi Electric Corporation |
Casing for blower |
D961756, |
Feb 04 2019 |
Mitsubishi Electric Corporation |
Casing for blower |
D962418, |
Feb 04 2019 |
Mitsubishi Electric Corporation |
Casing for blower |
D963153, |
Jul 31 2020 |
Mitsubishi Electric Corporation |
Casing for blower |
D972120, |
Dec 03 2019 |
EBM-PAPST Mulfingen GmbH & Co. KG |
Ventilation unit |
ER4648, |
|
|
|
ER6520, |
|
|
|
Patent |
Priority |
Assignee |
Title |
2850228, |
|
|
|
4867640, |
Jul 22 1987 |
Broan-Nutone LLC; ELAN HOME SYSTEMS, L L C ; JENSEN INDUSTRIES, INC ; Linear LLC; MAMMOTH, INC ; MULTIPLEX TECHNOLOGY, INC ; NORDYNE INC ; NUTONE INC ; SPEAKERCRAFT, INC ; VENNAR VENTILATION, INC ; Xantech Corporation |
Exhaust fan for bathrooms and the like |
6435964, |
Sep 06 2001 |
Enlight Corporation |
Ventilation fan |
8814513, |
Jan 06 2011 |
PANASONIC ECOLOGY SYSTEMS GUANGDONG CO , LTD ; Panasonic Corporation |
Ceiling mounted ventilation fan with illumination |
9097265, |
Sep 17 2010 |
Chien Luen Industries Co., Ltd., Inc. |
50/60 CFM bath exhaust fans with flaps/ears that allow housings to be mounted to joists |
9103104, |
Oct 08 2010 |
Chien Luen Industries Co., Ltd., Inc.; CHIEN LUEN INDUSTRIES CO , LTD , INC |
Bath fan and heater with cover having adjustable luver or depressible fastener and depressible release |
9194603, |
Aug 10 2011 |
PANASONIC ECOLOGY SYSTEMS GUANGDONG CO , LTD ; Panasonic Corporation |
Heating and ventilating fan |
20070074725, |
|
|
|
20090241587, |
|
|
|
20100197216, |
|
|
|
20130143479, |
|
|
|
20130143481, |
|
|
|
20130203336, |
|
|
|
20130266443, |
|
|
|
20130315731, |
|
|
|
20140169771, |
|
|
|
20140248041, |
|
|
|
20150086348, |
|
|
|
20150316070, |
|
|
|
174005, |
|
|
|
234203, |
|
|
|
D342782, |
Jan 31 1992 |
BUILDER S BEST, INC |
Duct close elbow |
D387859, |
Nov 26 1996 |
Matsushita Seiko Co., Ltd.; Matsushita Electric Industrial Co., Ltd. |
Ventilating fan |
D392730, |
Apr 18 1997 |
|
Pneumatic flow control housing |
D440295, |
Feb 23 2000 |
Koganei Corporation |
Air filter |
D443054, |
Jan 27 2000 |
Spal S.R.L. |
Centrifugal electric fan with a fan wheel contained in a spiral housing, equipped with one lateral grid |
D450378, |
Dec 21 1999 |
Nidec Copal Corporation |
Fan motor |
D484966, |
Apr 26 2002 |
Ebara Fan Engineering Co., Ltd. |
Fan |
D663828, |
Aug 08 2011 |
|
Combination manifold and filter |
D674474, |
Feb 13 2012 |
Rentschler Reven GmbH |
Air cleaner |
D675723, |
Feb 24 2011 |
|
Device for recovering waste heat from flue gases |
D703302, |
Jul 17 2012 |
Ruck Ventilatoren GmbH |
Electric fan |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a