Please wait...



Goto Application


Disclaimer The image version (PDF) available on PATENTSCOPE is the official version. This online html version is provided to assist users. Despite the great care taken in its compilation to ensure a precise and accurate representation of the data appearing on the printed document/images, errors and/or omissions cannot be excluded due to the data transmittal, conversion and inherent limitations of the (optional) machine translation processes used. Hyperlinks followed by this symbol , are to external resources that are not controlled by WIPO. WIPO disclaims all liability regarding the above points.

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/GB2020/051042 1127/WO/0
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
29 April 2020 02 May 2019
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.     6b    
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.


     B22F 3/105 (2006.01)i; B29C 64/153 (2017.01)i; B29C 64/259 (2017.01)i; B29C 64/307 (2017.01)i; B29C 64/321 (2017.01)i; B33Y 10/00 (2015.01)i; B33Y 30/00 (2015.01)i; B33Y 40/00 (2020.01)i; B29C 64/343 (2017.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
     B22F; B29C; B33Y
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 2016107232 A1 (OKAZAKI SHUJI [JP] ET AL) 21 April 2016 (2016-04-21)
paragraph [0047]
figures 1,9
paragraph [0045]
paragraph [0037]
paragraph [0008]
paragraph [0073]
US 2014348969 A1 (SCOTT SIMON PETER [GB]) 27 November 2014 (2014-11-27)
figures 3, 6, 15A-C
paragraph [0086]
paragraph [0094] - paragraph [0102]
paragraph [0037]
US 2015298397 A1 (CHEN CHANG-CHIH [TW] ET AL) 22 October 2015 (2015-10-22)
figures 2, 4, 5
claim 1
EP 3243620 A1 (SIEMENS AG [DE]) 15 November 2017 (2017-11-15)
figure 1
WO 2017084781 A1 (REALIZER GMBH [DE]) 26 May 2017 (2017-05-26)
figures 2, 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 2016107232 A1
21 April 2016
CN 105522148 A
DE 102015116923 A1
JP 5841650 B1
JP 2016078375 A
US 2016107232 A1
27 April 2016
21 April 2016
13 January 2016
16 May 2016
21 April 2016
US 2014348969 A1
27 November 2014
AU 2009272394 A1
CA 2731122 A1
EP 2318164 A1
ES 2443298 T3
RU 2011105661 A
US 2011223349 A1
US 2014348969 A1
WO 2010007396 A1
21 January 2010
21 January 2010
11 May 2011
18 February 2014
27 August 2012
15 September 2011
27 November 2014
21 January 2010
US 2015298397 A1
22 October 2015
TW 201540353 A
US 2015298397 A1
01 November 2015
22 October 2015
EP 3243620 A1
15 November 2017
CN 109153145 A
EP 3243620 A1
EP 3411205 A1
US 2019126346 A1
WO 2017194387 A1
04 January 2019
15 November 2017
12 December 2018
02 May 2019
16 November 2017
WO 2017084781 A1
26 May 2017
CN 108472875 A
DE 102015222689 A1
EP 3377303 A1
JP 2019502829 A
KR 20180085753 A
RU 2018121825 A
US 2019001413 A1
WO 2017084781 A1
31 August 2018
18 May 2017
26 September 2018
31 January 2019
27 July 2018
20 December 2019
03 January 2019
26 May 2017
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:
25 June 2020
Date of mailing of the international search report:
06 July 2020
Authorized officer:
Godino Martinez, M
Top    Part 1: 1 2 3 4 5 6         Part 2: A B C D E