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1. (WO2019067545) HIGH CAPACITY APPARATUS FOR LAYERED MANUFACTURING FROM POWDERED MATERIALS



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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/US2018/052860 PCT.621
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
26 September 2018 28 September 2017
Applicant
3D SYSTEMS, 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.

A three dimensional printing system includes a build module (18), a powder storage module (20), a powder transport conduit (22), a vertical powder transport module (24), and a powder layering apparatus (26,28). The build module has a lateral side. The powder storage module is located at least partially below the build module. The powder storage module has a lateral side and defines an internal volume for holding powder. The powder transport conduit transports the powder to a lateral location that is laterally offset from the lateral side of the powder storage module. The vertical powder transport module is laterally offset from the lateral sides of the build module and the powder storage module and includes a lower end (42) for receiving powder from the lateral location and an upper end (44) having a laterally extending powder outlet (34). The powder layering apparatus receives the powder from the laterally extending powder outlet.


6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No.     3    
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

     B29C 64/153 (2017.01)i; B29C 64/321 (2017.01)i; B29C 64/357 (2017.01)i; B33Y 30/00 (2015.01)i; B22F 3/105 (2006.01)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):
     B29C; B33Y; B22F; C22C
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

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
WO 2017088897 A1 (HEWLETT-PACKARD DEV COMPANY L P [US]; GRASES JOSE MANUEL [ES]; MARTIN) 01 June 2017 (2017-06-01)
1,3-6,10
Y
paragraphs [0031] - [0041]; figures
2
(2)
X
US 2002090410 A1 (TOCHIMOTO SHIGEAKI [JP] ET AL) 11 July 2002 (2002-07-11)
1,4-7
Y
paragraph [0057] - paragraph [0070]; figure 8
9,11-20
(3)
Y
US 9616620 B2 (HOECHSMANN RAINER [DE]; MUELLER ALEXANDER [DE]; EXONE GMBH [DE]) 11 April 2017 (2017-04-11)
9,11-20
column 14, line 14 - column 15, line 4; figures 18-21
(4)
X
WO 2016050311 A1 (HEWLETT PACKARD DEVELOPMENT CO [US]; DE PENA ALEJANDRO MANUEL [ES]; JU) 07 April 2016 (2016-04-07)
1,3,4,8
Y
page 9, line 10 - page 11, line 20; figures
17
(5)
Y
EP 1759791 A1 (TNO [NL]) 07 March 2007 (2007-03-07)
2,19
figure 1
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"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)
WO 2017088897 A1
01 June 2017
CN 107848200 A
EP 3380305 A1
US 2018264728 A1
WO 2017088897 A1
27 March 2018
03 October 2018
20 September 2018
01 June 2017
US 2002090410 A1
11 July 2002
NONE
US 9616620 B2
11 April 2017
DE 102009056687 A1
EP 2507037 A2
US 2013000553 A1
WO 2011067303 A2
09 June 2011
10 October 2012
03 January 2013
09 June 2011
WO 2016050311 A1
07 April 2016
BR 112017005885 A2
CN 106794631 A
EP 3200975 A1
JP 2017534495 A
KR 20170051469 A
TW 201619477 A
US 2018229301 A1
WO 2016050311 A1
26 June 2018
31 May 2017
09 August 2017
24 November 2017
11 May 2017
01 June 2016
16 August 2018
07 April 2016
EP 1759791 A1
07 March 2007
CA 2621271 A1
CN 101300094 A
EP 1759791 A1
EP 1922168 A1
US 2008211132 A1
WO 2007030006 A1
15 March 2007
05 November 2008
07 March 2007
21 May 2008
04 September 2008
15 March 2007
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Netherlands
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
06 December 2018
Date of mailing of the international search report:
14 December 2018
Authorized officer:
Zattoni, Federico
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