AIRFOILS AND MACHINES INCORPORATING AIRFOILS

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EP 3 732 091 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	22.11.2023 Bulletin 2023/47

(45)	Mention of the grant of the patent:
	18.10.2023 Bulletin 2023/42

(21)	Application number: 18894327.8

(22)	Date of filing: 27.12.2018

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International Patent Classification (IPC):

B64U 10/13^(2023.01)
B64U 30/29^(2023.01)
B64C 3/14^(2006.01)
B64C 27/467^(2006.01)
F03D 1/06^(2006.01)
F04D 29/42^(2006.01)
F15D 1/00^(2006.01)
B64C 39/02^(2023.01)

B64U 10/14^(2023.01)
B62D 35/00^(2006.01)
B64C 11/18^(2006.01)
F01D 5/14^(2006.01)
F04D 29/38^(2006.01)
F04D 29/68^(2006.01)
F15D 1/12^(2006.01)

(52)	Cooperative Patent Classification (CPC):
	B62D 35/001; F05B 2250/14; F04D 29/681; F04D 29/384; F04D 29/422; F05D 2230/54; F01D 5/145; F01D 5/146; F01D 5/147; F05D 2250/14; F05D 2250/294; F01D 5/141; F05D 2220/36; F05D 2240/124; F05D 2240/306; F15D 1/12; F15D 1/0045; B64C 11/18; B64C 39/024; B64C 27/467; B64C 3/14; F15D 1/0085; Y02P 70/50; Y02T 50/60; Y02T 10/82; B64U 10/13; B64U 10/14; B64U 30/29; F03D 1/0675

(86)	International application number:
	PCT/US2018/067639

(87)	International publication number:
	WO 2019/133687 (04.07.2019 Gazette 2019/27)

(54)	AIRFOILS AND MACHINES INCORPORATING AIRFOILS SCHAUFELN UND MASCHINEN MIT SCHAUFELN PROFILS AÉRODYNAMIQUES ET MACHINES INCORPORANT DES PROFILS AÉRODYNAMIQUES

(84)	Designated Contracting States:
	AL 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

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Priority:

29.12.2017 US 201762611890 P
02.05.2018 US 201815969347

(43)	Date of publication of application:
	04.11.2020 Bulletin 2020/45

(60)	Divisional application:
	23203726.7

(73)	Proprietor: ESS 2 Tech, LLC
	Bethlehem PA 18015 (US)

(72)	Inventors:
	SUK, Michael Bethlehem, PA 18015 (US) SHOFFLER, David, A. Bethlehem, PA 18015 (US)

(74)	Representative: Boco IP Oy Ab
	Kansakoulukatu 3 00100 Helsinki 00100 Helsinki (FI)

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References cited: :

EP-A1- 0 076 706
DE-C- 322 283
US-A- 3 807 663
US-A- 4 434 957
US-A1- 2011 057 452
US-A1- 2013 106 136
US-B2- 9 682 735

CN-A- 102 022 258
DE-C- 322 283
US-A- 3 830 450
US-A- 5 316 443
US-A1- 2013 076 064
US-B2- 8 973 974

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).