Traitement en cours

Veuillez attendre...



Aller à Demande


Avertissement La version image (PDF) disponible dans PATENTSCOPE est la version officielle. Cette version HTML en ligne est fournie pour aider les utilisateurs. Malgré le grand soin apporté à la compilation pour assurer une représentation précise et exacte des données figurant sur le document/les images imprimés, des erreurs et/ou des omissions ne peuvent pas être exclues en raison des processus de transmission et de conversion de données et des limitations inhérentes aux processus de traduction (éventuellement) automatique utilisés. Les liens hypertexte suivis de ce symbole sont associés à des ressources externes qui ne sont pas contrôlées par l'OMPI. L'OMPI décline toute responsabilité concernant les points mentionnés ci-dessus.

Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/US2019/064380 2001U-001823-WO-POA
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
04 December 2019 07 December 2018
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing filed or furnished:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
The figure of the drawings to be published with the abstract is Figure No.     5    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
none of the figures is to be published with the abstract.


     F01N 5/02 (2006.01)i; F02G 5/02 (2006.01)i; F01N 13/08 (2010.01)i; F01N 13/18 (2010.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility models
Japanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: exhaust gas heat recovery, heat exchanger, valve assembly, first passage way, second passage way


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2012-0017575 A1 (SLOSS, CLAYTON A.) 26 January 2012 paragraphs [0044]-[0089]; claim 1; and figures 1-5, 16-17
US 2017-0292429 A1 (TOYOTA JIDOSHA KABUSHIKI KAISHA) 12 October 2017 paragraphs [0037]-[0045]; and figure 1
US 2014-0251579 A1 (WESCAST INDUSTRIES, INC.) 11 September 2014 claims 1-12; and figures 1-3, 19-24
US 2017-0362988 A1 (SANGO CO., LTD.) 21 December 2017 paragraphs [0058]-[0071]; and figures 1, 18-19
JP 2018-127958 A (SANKEI GIKEN KOGYO CO., LTD.) 16 August 2018 paragraphs [0016]-[0027]; and figures 2-5
KR 10-0871766 B1 (DAEKI FAURECIA CO., LTD. et al.) 05 December 2008 claims 3-10; and figures 1-5
JP 2009-191630 A (TOYOTA MOTOR CORP.) 27 August 2009 paragraphs [0013]-[0029]; and figures 1-4
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
document cited by the applicant in the international application
earlier application or patent but published on or after the international filing date
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
document member of the same patent family


Patent document cited in search report Publication date
Patent family member(s) Publication date
US 2012-0017575 A1
26 January 2012
CA 2806202 A1
CN 103119280 A
CN 103119280 B
EP 2596225 A1
EP 2596225 A4
JP 2013-532788 A
JP 6186276 B2
KR 10-1740479 B1
KR 10-2013-0041243 A
KR 10-2017-0059484 A
MX 2013000761 A
US 2017-0241320 A1
US 9664087 B2
WO 2012-010960 A1
WO 2012-010960 A4
26 January 2012
22 May 2013
20 April 2016
29 May 2013
21 December 2016
19 August 2013
23 August 2017
08 June 2017
24 April 2013
30 May 2017
28 October 2013
24 August 2017
30 May 2017
26 January 2012
22 March 2012
US 2017-0292429 A1
12 October 2017
CN 107284185 A
DE 102017205434 A1
JP 2017-190770 A
JP 6608857 B2
KR 10-2017-0116577 A
US 10502118 B2
24 October 2017
26 October 2017
19 October 2017
20 November 2019
19 October 2017
10 December 2019
US 2014-0251579 A1
11 September 2014
CA 2902799 A1
CN 105190002 A
EP 2964942 A1
EP 2964942 A4
EP 2964942 B1
JP 2016-515180 A
KR 10-2015-0121232 A
MX 2015011468 A
WO 2014-136024 A1
12 September 2014
23 December 2015
13 January 2016
26 October 2016
31 January 2018
26 May 2016
28 October 2015
07 April 2016
12 September 2014
US 2017-0362988 A1
21 December 2017
CN 106460625 A
DE 112016001000 T5
JP 06474429 B2
WO 2016-140068 A1
KR 10-2017-0124951 A
KR 10-1977824 B1
US 10253671 B2
WO 2016-140068 A1
22 February 2017
23 November 2017
27 February 2019
14 December 2017
13 November 2017
13 May 2019
09 April 2019
09 September 2016
JP 2018-127958 A
16 August 2018
KR 10-0871766 B1
05 December 2008
DE 112004000677 B4
DE 112004000677 T5
FR 2854199 A1
FR 2854200 A1
FR 2854200 B1
KR 10-2006-0026013 A
WO 2004-097192 A2
WO 2004-097192 A3
05 September 2013
23 March 2006
29 October 2004
29 October 2004
29 June 2007
22 March 2006
11 November 2004
06 January 2005
JP 2009-191630 A
27 August 2009
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
27 March 2020
Date of mailing of the international search report:
27 March 2020
Authorized officer:
HWANG, Chan Yoon
Telephone No. +82-42-481-3347
Top    Part 1: 1 2 3 4 5 6         Part 2: A B C D E