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1. WO2018152344 - HIGH THERMAL TRANSFER HOLLOW CORE EXTRUSION SCREW ASSEMBLY


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INTERNATIONAL SEARCH REPORT (ISR)
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/US2018/018396 49286-PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
15 February 2018 15 February 2017
Applicant
WENGER MANUFACTURING INC.
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)).
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)).
c.
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
a.
The figure of the drawings to be published with the abstract is Figure No.     1    
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.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     A23K 40/25 (2016.01)i; B29C 47/40 (2006.01)i; A23P 30/20 (2016.01)i
According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

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: twin screw, device, heat exchange media, helical, hollow core, pipe

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
US 2004-0234641 A1 (UEDA, HIROSHI et al.) 25 November 2004 See paragraphs [0010], [0011], [0025]-[0028]; and figures 1-3.
1-27
(2)
Y
US 2009-0213681 A1 (EK, CARL-GUSTAF et al.) 27 August 2009 See paragraphs [0002], [0028]; claim 1; and figure 1.
1-27
(3)
Y
US 2321185 A (CHRISTIAN, JOSEPH D.) 08 June 1943 See the whole document.
1-27
(4)
Y
US 2003-0021860 A1 (CLOCK, JASON B. et al.) 30 January 2003 See claims 1, 4, 13; and figure 2.
1-27
(5)
Y
WO 93-14921 A1 (FARREL ROCKSTEDT GMBH) 05 August 1993 See pages 7, 8; claim 1; and figure 2.
1-27
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"D"
document cited by the applicant in the international application
"E"
earlier application or patent but published on or after the international filing date
"L"
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)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
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
"X"
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
"Y"
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

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
US 2004-0234641 A1
25 November 2004
DE 602004001541 T2
EP 1479504 A1
EP 1479504 B1
JP 2004-338343 A
JP 4102706 B2
US 7097345 B2
28 June 2007
24 November 2004
19 July 2006
02 December 2004
18 June 2008
29 August 2006
US 2009-0213681 A1
27 August 2009
AU 2005-334397 A1
AU 2005-334397 A8
AU 2005-334397 B2
CN 101247932 A
CN 101247932 B
JP 2009-501092 A
JP 4768018 B2
US 2011-0170369 A1
US 8079747 B2
WO 2007-006327 A1
18 January 2007
21 February 2008
20 August 2009
20 August 2008
30 March 2011
15 January 2009
07 September 2011
14 July 2011
20 December 2011
18 January 2007
US 2321185 A
08 June 1943
None
US 2003-0021860 A1
30 January 2003
None
WO 93-14921 A1
05 August 1993
AT 139176 T
AU 3451493 A
AU 665404 B2
BR 9305820 A
CN 1076885 A
DE 000004202821 A1
DE 000004202821 C2
DK 0624124 T3
EP 0624124 A1
EP 0624124 B1
ES 2089827 T3
JP 08-503897 A
JP 2645612 B2
KR 10-0149424 B1
KR 10-1995-7000162 A
US 5267788 A
15 June 1996
01 September 1993
04 January 1996
18 February 1997
06 October 1993
19 August 1993
26 January 1995
29 July 1996
17 November 1994
12 June 1996
01 October 1996
30 April 1996
25 August 1997
15 October 1998
16 January 1995
07 December 1993
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:
29 May 2018
Date of mailing of the international search report:
31 May 2018
Authorized officer:
KAM, Yoo Lim
Telephone No. +82-42-481-3516
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