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1. WO2017130149 - HEAT EXCHANGER

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International application No. Applicant's or agent's file reference
PCT/IB2017/050445 BWO18875-PD
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
27 January 2017 29 January 2016
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:
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.     3    
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.


     F28F 7/02 (2006.01)i; F28D 7/00 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
     F28F; F28D
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
EPO-Internal, WPI Data


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 3999602 A (FEWELL THOMAS E ET AL) 28 December 1976 (1976-12-28)
figure 1
US 2011120683 A1 (KAPPES DANIEL W [US] ET AL) 26 May 2011 (2011-05-26)
figure 1b
US 2013216445 A1 (HARTVIGSEN JOSEPH J [US] ET AL) 22 August 2013 (2013-08-22)
figure 3
GB 2361054 A (NNC LTD [GB]) 10 October 2001 (2001-10-10)
the whole document
GB 2501413 A (MITSUBISHI ELECTRIC CORP [JP]) 23 October 2013 (2013-10-23)
the whole document
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 3999602 A
28 December 1976
CA 1037021 A
DE 2647653 A1
FR 2328936 A1
GB 1533899 A
JP S5251152 A
US 3999602 A
22 August 1978
28 April 1977
20 May 1977
29 November 1978
23 April 1977
28 December 1976
US 2011120683 A1
26 May 2011
AU 2010325182 A1
BR 112012011885 A2
CA 2761604 A1
CN 102597684 A
EP 2504654 A1
JP 2013512409 A
KR 20120085332 A
US 2011120683 A1
US 2012018124 A1
WO 2011066011 A1
19 April 2012
15 March 2016
03 June 2011
18 July 2012
03 October 2012
11 April 2013
31 July 2012
26 May 2011
26 January 2012
03 June 2011
US 2013216445 A1
22 August 2013
CA 2864519 A1
EP 2817389 A1
US 2013216445 A1
WO 2013126449 A1
29 August 2013
31 December 2014
22 August 2013
29 August 2013
GB 2361054 A
10 October 2001
GB 2501413 A
23 October 2013
GB 2501413 A
JP 5490265 B2
WO 2012104944 A1
23 October 2013
14 May 2014
09 August 2012
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
09 May 2017
Date of mailing of the international search report:
23 May 2017
Authorized officer:
Bain, David
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