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International application No. Applicant's or agent's file reference
PCT/US2020/020570 RECARB-P011PC
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
01 March 2020 25 March 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 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.     2    
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.


     H01J 37/32 (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):
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: plasma reactor, recuperator, heat, exhaust gas, vortex


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2006-0266637 A1 (ALEXANDER GUTSOL et al.) 30 November 2006 See paragraphs [0033]-[0034], [0044]; claim 1; and figures 1, 4-4b, 7a.
KR 10-2017-0006007 A (LOT CES CO., LTD.) 17 January 2017 See paragraph [0063]; and figures 21-26.
KR 10-2012-0011481 A (KOREA AUTOMOTIVE TECHNOLOGY INSTITUTE) 08 February 2012 See claims 1, 3; and figure 1.
KR 10-0522167 B1 ()KOREA INSTITUTE OF MACHINERY & MATERIALS) 18 October 2005 See claims 1-3; and figures 2-5.
US 2013-0121671 A1 (TITAN ARMOR LLC.) 16 May 2013 See claim 1; and figure 1.
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 2006-0266637 A1
30 November 2006
US 7867457 B2
US 8110155 B2
US 8361401 B2
US 8361404 B2
US 8603403 B2
US 8864953 B2
US 2007-0196249 A1
US 2009-0056222 A1
US 2011-0062014 A1
US 2012-0141332 A1
US 2012-0321527 A1
US 2014-0042368 A1
WO 2004-112950 A2
WO 2004-112950 A3
WO 2005-004556 A2
WO 2005-004556 A3
11 January 2011
07 February 2012
29 January 2013
29 January 2013
10 December 2013
21 October 2014
23 August 2007
05 March 2009
17 March 2011
07 June 2012
20 December 2012
13 February 2014
29 December 2004
06 May 2005
13 January 2005
02 June 2005
KR 10-2017-0006007 A
17 January 2017
KR 10-1732048 B1
WO 2017-007059 A1
02 May 2017
12 January 2017
KR 10-2012-0011481 A
08 February 2012
KR 10-0522167 B1
18 October 2005
US 2013-0121671 A1
16 May 2013
US 9322571 B2
US 2016-0216002 A1
WO 2013-070790 A1
26 April 2016
28 July 2016
16 May 2013
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:
19 June 2020
Date of mailing of the international search report:
19 June 2020
Authorized officer:
PARK, Hye Lyun
Telephone No. +82-42-481-3463
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