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International application No. Applicant's or agent's file reference
PCT/US2018/013758 P17007WO1A
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
16 January 2018 24 January 2017
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.     4    
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.


     B60B 19/06 (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: wheel, multi-chamber, valve, liquid, foam, and compressor


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
WO 2016-089593 A1 (BRIDGESTONE AMERICAS TIRE OPERATIONS, L.L.C.) 09 June 2016 See paragraphs [0001], [0047], [0048], [0053]-[0055], [0057], [0058] and figure 1.
US 5938868 A (MIURA et al.) 17 August 1999 See column 3, lines 40-58 and figure 1.
US 2016-0332486 A1 (STRASHNY et al.) 17 November 2016 See paragraphs [0036]-[0040] and figures 3, 4.
US 4995438 A (WEBER et al.) 26 February 1991 See column 3, line 4 - column 4, line 33 and figure 1.
US 2007-0000587 A1 (TRAMOND et al.) 04 January 2007 See paragraphs [0026]-[0029] 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
WO 2016-089593 A1
09 June 2016
CN 107000511 A
EP 3227127 A1
JP 2018-500222 A
US 2017-0240006 A1
01 August 2017
11 October 2017
11 January 2018
24 August 2017
US 5938868 A
17 August 1999
JP 10-016506 A
JP 2759073 B2
20 January 1998
28 May 1998
US 2016-0332486 A1
17 November 2016
CN 105939873 A
EP 3092136 A1
GB 2522038 A
WO 2015-104528 A1
14 September 2016
16 November 2016
15 July 2015
16 July 2015
US 4995438 A
26 February 1991
US 2007-0000587 A1
04 January 2007
AT 419131 T
BR PI0602361 A
CN 1891506 A
EP 1738932 A1
EP 1738932 B1
FR 2887820 A1
JP 2007-008469 A
15 January 2009
21 February 2007
10 January 2007
03 January 2007
31 December 2008
05 January 2007
18 January 2007
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:
30 April 2018
Date of mailing of the international search report:
30 April 2018
Authorized officer:
HWANG, Chan Yoon
Telephone No. +82-42-481-3347
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