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Extract from the Register of European Patents

EP About this file: EP3691817

EP3691817 - POWDER BED MATERIALS [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  10.07.2020
Database last updated on 03.09.2024
FormerThe international publication has been made
Status updated on  12.07.2019
Most recent event   Tooltip23.01.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
Hewlett-Packard Development Company, L.P.
10300 Energy Drive
Spring TX 77389 / US
[2020/33]
Inventor(s)01 / NAUKA, Krzysztof
1501 Page Mill Road
Palo Alto, CA 94304 / US
02 / CHANG, Seongsik
1501 Page Mill Road
Palo Alto, CA 94304 / US
 [2020/33]
Representative(s)Haseltine Lake Kempner LLP
One Portwall Square
Portwall Lane
Bristol BS1 6BH / GB
[N/P]
Former [2020/33]Haseltine Lake Kempner LLP
Redcliff Quay
120 Redcliff Street
Bristol BS1 6HU / GB
Application number, filing date18898764.802.01.2018
[2020/33]
WO2018US12051
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019135732
Date:11.07.2019
Language:EN
[2019/28]
Type: A1 Application with search report 
No.:EP3691817
Date:12.08.2020
Language:EN
The application published by WIPO in one of the EPO official languages on 11.07.2019 takes the place of the publication of the European patent application.
[2020/33]
Search report(s)International search report - published on:RU11.07.2019
(Supplementary) European search report - dispatched on:EP05.03.2021
ClassificationIPC:B22F3/105, B29C64/165, B33Y70/00, B22F10/14, B22F10/34, B22F12/43, B22F1/00
[2021/14]
CPC:
B33Y70/00 (EP,US); B22F1/052 (EP,US); B22F10/14 (EP,US);
B22F10/28 (EP,US); B22F10/34 (EP,US); B22F10/36 (EP,US);
B22F12/43 (EP,US); B33Y10/00 (US); Y02P10/25 (EP) (-)
Former IPC [2020/33]B22F3/105, B29C64/165, B33Y70/00
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2020/33]
TitleGerman:PULVERBETTMATERIALIEN[2020/33]
English:POWDER BED MATERIALS[2020/33]
French:MATÉRIAUX DE LIT DE POUDRE[2020/33]
Entry into regional phase04.05.2020National basic fee paid 
04.05.2020Search fee paid 
04.05.2020Designation fee(s) paid 
04.05.2020Examination fee paid 
Examination procedure04.05.2020Examination requested  [2020/33]
20.09.2021Amendment by applicant (claims and/or description)
Fees paidRenewal fee
04.05.2020Renewal fee patent year 03
20.01.2021Renewal fee patent year 04
20.01.2022Renewal fee patent year 05
19.01.2023Renewal fee patent year 06
23.01.2024Renewal fee patent year 07
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[XY]WO2015056230  (XJET LTD [IL]) [X] 13-15 * figure 3A * * page 11, paragraph last * * page 22 * [Y] 10,11;
 [X]WO2016152023  (NAT UNIV CORP NAGOYA UNIV [JP]) [X] 13-15 * paragraphs [0067] , [0 72] *;
 [X]WO2017131760  (HEWLETT PACKARD DEVELOPMENT CO LP [US]) [X] 13-15 * paragraph [0022] - paragraphs [0025] , [0 27] * * paragraphs [0031] , [0 38] * * paragraphs [0047] , [0 66] *;
 [X]US2017252974  (NG HOU T [US], et al) [X] 1,2,5-9,12 * paragraphs [0021] , [0 33] , [0 46] * * figures 3A-3D *;
 [XYI]  - Yun Bai ET AL, "Effect of Bimodal Powder Mixture on Powder Packing Density and Sintered Density in Binder Jetting of Metals", (20151010), URL: http://sffsymposium.engr.utexas.edu/sites/default/files/2015/2015-62-Bai.pdf, (20190315), XP055569759 [X] 1-6,8,9,12 * tables 1, 2 * * 2. Experimental Method * * figure 1 * [Y] 10,11 [I] 7
 [X]  - DO TRUONG ET AL, "Process development toward full-density stainless steel parts with binder jetting printing", INTERNATIONAL JOURNAL OF MACHINE TOOLS AND MANUFACTURE, ELSEVIER, AMSTERDAM, NL, (20170414), vol. 121, doi:10.1016/J.IJMACHTOOLS.2017.04.006, ISSN 0890-6955, pages 50 - 60, XP085133024 [X] 1,2,5,7-9,12 * figure 2 * * tables 1,2 * * 2. Material and processing * * 4.1 Powder packing *

DOI:   http://dx.doi.org/10.1016/j.ijmachtools.2017.04.006
 [T]  - LORES ASIER ET AL, "A review on recent developments in binder jetting metal additive manufacturing: materials and process characteristics", POWDER METALLURGY., GB, (20190924), vol. 62, no. 5, doi:10.1080/00325899.2019.1669299, ISSN 0032-5899, pages 267 - 296, XP055779596 [T] * figure 8 *

DOI:   http://dx.doi.org/10.1080/00325899.2019.1669299
 [T]  - BOWEN P, "Particle Size Distribution Measurement from Millimeters to Nanometers and from Rods to Platelets", JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY, TAYLOR AND FRANCIS GROUP, NEW YORK, NY, US, (20020101), vol. 23, no. 5, doi:10.1081/DIS-120015368, ISSN 0193-2691, pages 631 - 662, XP009102859 [T] * table 3 * * figure 3 *

DOI:   http://dx.doi.org/10.1081/DIS-120015368
International search[A]US5382308  (BOURELL DAVID L [US], et al) [A] 1-15* . *;
 [YA]WO2007039450  (PTS SOFTWARE BV [NL], et al) [Y] 13-15 * , claims; * [A] 8-12;
 [Y]JP2017025392  (JX NIPPON MINING & METALS CORP) [Y] 6 * , abstract; *;
 [XY]WO2017178319  (SANDVIK INTELLECTUAL PROPERTY [SE]) [X] 1-5, 7 * , claims; description p.4 line 22, p.5 line 1, p.1 1 table. 1; * [Y] 6, 13-15
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.