Register information Patent

DE file number : 11 2020 001 901.2 (Status: pending/in force, Query started: August 9, 2025)

Please note: This English version is a non-binding translation of the German register excerpt. Only the German version of the register excerpt is legally binding.

Master data
INID	Criterion	Field	Content
	Type of IP right	SART	Patent
	Status	ST	Pending/in force
21	DE file number	DAKZ	11 2020 001 901.2
86	WO file number	WAKZ	PCT/JP2020/016982
87	WO publication number	WPN	2020209390
54	Designation/title	TI	Stapelscheibenwärmetauscher
51	IPC main class	ICM (ICMV)	H01L 23/473 (2006.01)
51	IPC secondary class(es)	ICS (ICSV)	H05K 7/20 (2006.01)
22	DE application date	DAT	Apr 13, 2020
85	PCT national phase entry patent	PATNAT	Oct 12, 2021
86	WO application date	WAT	Apr 13, 2020
43	Date of first publication	OT	Oct 15, 2020
71/73	Applicant/owner	INH	T.RAD CO., LTD., Tokyo, JP
72	Inventor	IN	Bungo, Takuya, Tokyo, JP; Okubo, Atsushi, Tokyo, JP; Sakai, Taiji, Tokyo, JP
74	Representative	VTR	BOEHMERT & BOEHMERT Anwaltspartnerschaft mbB - Patentanwälte Rechtsanwälte, 28359 Bremen, DE
10	Published DE documents	DEPN	Original document: DE112020001901T5 Searchable text: DE112020001901T5
	Address for service		BOEHMERT & BOEHMERT Anwaltspartnerschaft mbB - Patentanwälte Rechtsanwälte, 28359 Bremen, DE
33 31 32	Foreign priority	PRC PRNA PRDA	JP 2019-076034 Apr 12, 2019
	Due date	FT FG	Apr 30, 2026 Annual fee for the 7th year Patent fees
	Patent division in charge		36
87	WO language of publication	WLANG	JP - Japanisch
57	Abstract	AB	The purpose of the present invention is to mitigate thermal stress concentration in the vicinity of a flow volume-limited portion of a stacked plate heat exchanger, and to prevent fatigue failure due to the concentration. The flow volume-limited portion is provided with openings similar to those of a flow channel to reduce a rigidity difference from flow channel portions.
81	Designated WO countries	WDS	AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, WS, ZA, ZM, ZW
	Published EP/WO documents	EPWOPN	Original document: WO2020209390A1 Searchable text: WO2020209390A1
56	Citations	CT	JP002013235967A (JP 2013- 235 967 A)
43	Date of first publication	EVT	Oct 15, 2020
	Number of official communications (office actions)		2
	Number of responses		1
	Date of the first transfer into DPMAregister	EREGT	Jan 5, 2022
	Date of the (most recent) update in DPMAregister	REGT	Jun 7, 2025 (Show all update days)(Hide all update days) Jun 7, 2025 Number of official communications (office actions): changed Procedures: Examination procedure, Official communication on examination issued, 06.06.2025: new May 9, 2025 Due date: changed May 7, 2025 St.36: changed (technical change) Aug 16, 2024 St.36: changed (technical change) Jan 5, 2022 Date of the first transfer into DPMAregister

Procedural data
No.	Kind of procedure	Legal status	Date of legal/procedural status	Publication date	Alle Details anzeigen
1	Pre-registration procedure	The application is under preliminary examination	Apr 13, 2020		Details anzeigen
2	Procedure relating to PCT application	WO first publication with search report	Oct 15, 2020		Details anzeigen
3	Examination procedure	Request for examination effectively filed	Oct 1, 2021		Details anzeigen
4	Pre-registration procedure	Pre-registration procedure has been concluded	Dec 1, 2021		Details anzeigen
5	Pre-registration procedure	Closing PCT nationale phase entry	Dec 1, 2021		Details anzeigen
6	Publications	Publication of translation of PCT application	Jan 5, 2022	Jan 5, 2022	Details anzeigen
7	Examination procedure	Official communication on examination	Aug 2, 2022		Details anzeigen
8	Examination procedure	Reply to official communication	Oct 19, 2022		Details anzeigen
9	Examination procedure	Official communication on examination	Jun 6, 2025		Details anzeigen

View procedures Pre-registration procedure (No.: 1)
Criterion	Field	Content Close details
Type of procedure	VART	Pre-registration procedure
Legal/procedural status	VST	The application is under preliminary examination
Date of legal/procedural status	VSTT	Apr 13, 2020
Date of update of the procedure	REGT	Jan 5, 2022

View procedures Procedure relating to PCT application (No.: 2)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to PCT application
Legal/procedural status	VST	WO first publication with search report
Date of legal/procedural status	VSTT	Oct 15, 2020
Date of update of the procedure	REGT	Jan 5, 2022

View procedures Examination procedure (No.: 3)
Criterion	Field	Content Close details
Type of procedure	VART	Examination procedure
Legal/procedural status	VST	Request for examination effectively filed
Date of legal/procedural status	VSTT	Oct 1, 2021
Third party request		No
Date of receipt	AEGT	Oct 1, 2021
Date of update of the procedure	REGT	Jan 5, 2022

View procedures Pre-registration procedure (No.: 4)
Criterion	Field	Content Close details
Type of procedure	VART	Pre-registration procedure
Legal/procedural status	VST	Pre-registration procedure has been concluded
Date of legal/procedural status	VSTT	Dec 1, 2021
Date of update of the procedure	REGT	Jan 5, 2022

View procedures Pre-registration procedure (No.: 5)
Criterion	Field	Content Close details
Type of procedure	VART	Pre-registration procedure
Legal/procedural status	VST	Closing PCT nationale phase entry
Date of legal/procedural status	VSTT	Dec 1, 2021
Date of update of the procedure	REGT	Jan 5, 2022

View procedures Publications (No.: 6)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Publications
	Legal/procedural status	VST	Publication of translation of PCT application
	Date of legal/procedural status	VSTT	Jan 5, 2022
	Issue number	HN	1
	Year	PJ	2022
	Publication date	VT	Jan 5, 2022
	Type of publication	PART	Documents
	Part	HT	Part 6
10	Published DE documents	DEPN	Original document: DE112020001901T5 Searchable text: DE112020001901T5
	Date of update of the procedure	REGT	Jan 5, 2022

View procedures Examination procedure (No.: 7)
Criterion	Field	Content Close details
Type of procedure	VART	Examination procedure
Legal/procedural status	VST	Official communication on examination
Date of legal/procedural status	VSTT	Aug 2, 2022
Date of update of the procedure	REGT	Aug 3, 2022

View procedures Examination procedure (No.: 8)
Criterion	Field	Content Close details
Type of procedure	VART	Examination procedure
Legal/procedural status	VST	Reply to official communication
Date of legal/procedural status	VSTT	Oct 19, 2022
Date of update of the procedure	REGT	Oct 20, 2022

View procedures Examination procedure (No.: 9)
Criterion	Field	Content Close details
Type of procedure	VART	Examination procedure
Legal/procedural status	VST	Official communication on examination
Date of legal/procedural status	VSTT	Jun 6, 2025
Date of update of the procedure	REGT	Jun 7, 2025