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1. WO2020193937 - NOISE CONTROL

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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/GB2020/050441 P002742-WO01
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
25 February 2020 22 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:
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.     3a    
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.


     A62B 18/00 (2006.01)i; G10K 11/178 (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):
     A62B; G10K
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.
DE 102017129469 A1 (EBM PAPST MULFINGEN GMBH & CO KG [DE]) 13 June 2019 (2019-06-13)
the whole document
& CN 208536174  U  (EBM PAPST MULFINGEN GMBH AND CO KG) 22 February 2019 (2019-02-22)
the whole document
US 2014126734 A1 (GAUGER JR DANIEL M [US] ET AL) 08 May 2014 (2014-05-08)
figures 1,2A-2C
paragraph [0036] - paragraph [0042]
WO 2016047069 A1 (PANASONIC IP MAN CO LTD [JP]) 31 March 2016 (2016-03-31)
figures 1,3
WO 2013082650 A1 (PAFTEC TECHNOLOGIES PTY LTD [AU]) 13 June 2013 (2013-06-13)
page 69, line 14 - line 32
figures 38,39A,39B
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
DE 102017129469 A1
13 June 2019
CN 208536174 U
DE 102017129469 A1
JP 3220657 U
22 February 2019
13 June 2019
28 March 2019
US 2014126734 A1
08 May 2014
CN 105247885 A
CN 108810714 A
CN 108962214 A
EP 2915339 A1
HK 1220310 A1
JP 6121554 B2
JP 6387429 B2
JP 2015537465 A
JP 2017120447 A
JP 2019004487 A
JP 2019004488 A
US 2014126734 A1
US 2014341387 A1
US 2016210958 A1
US 2016351183 A1
WO 2014070825 A1
13 January 2016
13 November 2018
07 December 2018
09 September 2015
28 April 2017
26 April 2017
05 September 2018
24 December 2015
06 July 2017
10 January 2019
10 January 2019
08 May 2014
20 November 2014
21 July 2016
01 December 2016
08 May 2014
WO 2016047069 A1
31 March 2016
JP 6503552 B2
JP 2016061534 A
WO 2016047069 A1
24 April 2019
25 April 2016
31 March 2016
WO 2013082650 A1
13 June 2013
TW 201347804 A
TW 201350167 A
WO 2013082650 A1
01 December 2013
16 December 2013
13 June 2013
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:
07 May 2020
Date of mailing of the international search report:
19 May 2020
Authorized officer:
Nehrdich, Martin
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