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/US2020/017422 6492-002-CIP-PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
10 February 2020 29 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.     2B    
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.


     H02K 35/06 (2006.01)i; H02K 41/03 (2006.01)i; H02K 5/08 (2006.01)i; H02K 1/06 (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: thruster, coil, forcer, motor, linear, gap, shaft, engine


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2003-0168030 A1 (TETSUO MURAJI) 11 September 2003 See claims 1-7 and figure 1.
US 2005-0016478 A1 (TAMETOSHI MIZUTA et al.) 27 January 2005 See paragraphs [0019]-[0030] and figure 1.
US 2002-0145124 A1 (DANIEL FRANCIS KABASIN et al.) 10 October 2002 See paragraphs [0018]-[0030] and figure 1.
US 2008-0149391 A1 (ALAN WAYNE BURKHARD et al.) 26 June 2008 See paragraphs [0028]-[0071] and figure 2.
JP 2001-008432 A (SANKYO SEIKI MFG CO., LTD.) 12 January 2001 See claims 1-2 and figures 1-2.
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 2003-0168030 A1
11 September 2003
AU 1999-60016 B2
AU 1999-60016 A1
AU 6001699 A
AU 752530 B2
CA 2317665 A1
CA 2317665 C
EP 1045116 A1
JP 4073584 B2
JP 2000-199411 A
KR 10-2001-0033865 A
KR 10-0427438 B1
US 6718919 B2
US 6561144 B1
WO 00-26510 A1
19 September 2002
22 May 2000
22 May 2000
19 September 2002
11 May 2000
12 June 2007
18 October 2000
09 April 2008
18 July 2000
25 April 2001
13 April 2004
13 April 2004
13 May 2003
11 May 2000
US 2005-0016478 A1
27 January 2005
DE 60223272 T2
EP 1434930 A1
EP 1434930 B1
JP 4852809 B2
JP 2003-074384 A
KR 10-0569640 B1
KR 10-2004-0031050 A
US 7111594 B2
WO 03-021086 A1
14 August 2008
07 July 2004
31 October 2007
11 January 2012
12 March 2003
10 April 2006
09 April 2004
26 September 2006
13 March 2003
US 2002-0145124 A1
10 October 2002
EP 1255026 A2
EP 1255026 A3
US 6592095 B2
06 November 2002
15 October 2003
15 July 2003
US 2008-0149391 A1
26 June 2008
CA 2673009 A1
CA 2673009 C
GB 2457843 B
GB 2457843 A
US 7699071 B2
WO 2008-080010 A1
03 July 2008
29 January 2013
10 August 2011
02 September 2009
20 April 2010
03 July 2008
JP 2001-008432 A
12 January 2001
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:
12 June 2020
Date of mailing of the international search report:
12 June 2020
Authorized officer:
Kim, Yeonkyung
Telephone No. +82-42-481-3325
Top    Part 1: 1 2 3 4 5 6         Part 2: A B C D E