PTO
Wrapper
PDF
Dossier
Espace
Google
Patent
D679788
Priority
Oct 07 2008
Filed
Apr 07 2009
Issued
Apr 09 2013
Expiry
Apr 09 2027
Assg.orig
Entity
unknown
3
15
n/a
The ornamental design for a heat exchanger , as shown and described.
FIG. 1 is a perspective view of the bottom end plate of the heat exchanger; and,
FIG. 2 is a perspective view of the top end plate of the heat exchanger.
The views of the heat exchanger not shown do not form a part of the inventive design. The portions of the heat exchanger in phantom are presented as an environment, and do not form a part of the claimed design.
Hoberg, Svante
Patent
Priority
Assignee
Title
5988269 ,
Oct 23 1995
SWEP International AB
Plate heat exchanger
5992510 ,
Dec 21 1995
Alfa Laval AB
Plate heat exchanger
6142221 ,
Aug 23 1995
SWEP International AB
Three-circuit plate heat exchanger
6305466 ,
Mar 11 1998
SWEP International AB
Three circuit plate heat exchanger
6394178 ,
Feb 27 1998
Daikin Industries, Ltd.
Plate type heat exchanger
6702005 ,
Feb 19 1993
ALFA LAVAL CORPORATE AB
Plate heat exchanger
6911631 ,
Jul 07 2000
ALFA LAVAL CORPORATE AB; ALFAL LAVAL CORPORATE AB
Plate heat exchanger
6926076 ,
Feb 19 1993
Alfa Laval Corporation AB
Plate heat exchanger
6973961 ,
May 08 2003
GEA WTT GmbH
Plate-type heat exchanger with single-walled and double-walled heat transfer plates
7204297 ,
Apr 14 2003
GEA WTT GmbH
Plate-type heat exchanger with double-walled heat transfer plates
7213635 ,
Nov 01 2002
DANFOSS A S
Heat exchanger with reinforcement means
7287579 ,
Sep 11 2003
Honeywell International, Inc.
Heat exchanger
7337836 ,
Feb 25 1997
DANFOSS A S
Heat exchanger with leakage vent
7424908 ,
Feb 11 2003
ALFA LAVAL CORPORATE AB
Plate pack, a plate heat exchanger, and a plate module
D597184 ,
Jul 01 2008
Radiators for heating
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a