Extract from the Register of European Patents

EP About this file: EP4170219

EP4170219 - THERMAL INSULATION SYSTEM [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  05.12.2025
Database last updated on 07.03.2026
FormerGrant of patent is intended
Status updated on  05.10.2025
FormerExamination is in progress
Status updated on  03.05.2024
FormerRequest for examination was made
Status updated on  13.10.2023
FormerThe application has been published
Status updated on  24.03.2023
Most recent event   Tooltip05.12.2025(Expected) grantpublished on 07.01.2026  [2026/02]
Applicant(s)For all designated states
Unison Industries, LLC
7575 Baymeadows Way
Jacksonville, FL 32256 / US
[2023/17]
Inventor(s)01 / GOURISHANKAR, Karthick Vilapakkam
Jacksonville, 32256 / US
02 / NAYAK, Mohandas
Jacksonville, 32256 / US
03 / JONNALAGADDA, Dattu Guru Venkata
Jacksonville, 32256 / US
04 / PHELPS, Emily Marie
Jacksonville, 32256 / US
05 / GARG, Navish
Jacksonville, 32256 / US
06 / CHAKRABORTY, Soumya
Jacksonville, 32256 / US
07 / TAJIRI, Gordon
Jacksonville, 32256 / US
 [2023/17]
Representative(s)Openshaw & Co.
8 Castle Street
Farnham, Surrey GU9 7HR / GB
[2023/17]
Application number, filing date22189591.509.08.2022
[2023/17]
Priority number, dateIN20211104759220.10.2021         Original published format: IN202111047592
US20221785180028.06.2022         Original published format: US202217851800
[2023/17]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP4170219
Date:26.04.2023
Language:EN
[2023/17]
Type: B1 Patent specification 
No.:EP4170219
Date:07.01.2026
Language:EN
[2026/02]
Search report(s)(Supplementary) European search report - dispatched on:EP10.01.2023
ClassificationIPC:F16L59/02, F16L59/075, F16L59/08, F16L59/14, F16L59/07, F02C7/00, F02C7/24
[2025/44]
CPC:
F16L59/143 (EP); F02C7/00 (EP); F02C7/24 (EP);
F16L59/029 (EP); F16L59/07 (EP); F16L59/075 (EP);
F16L59/08 (EP); F05D2260/231 (EP); Y02T50/40 (EP);
Y02T50/60 (EP) (-)
Former IPC [2023/17]F16L59/02, F16L59/075, F16L59/08, F16L59/14, F16L59/07, F02C1/00
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 [2023/46]
Former [2023/17]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 
TitleGerman:WÄRMEDÄMMSYSTEM[2023/17]
English:THERMAL INSULATION SYSTEM[2023/17]
French:SYSTÈME D'ISOLATION THERMIQUE[2023/17]
Examination procedure11.10.2023Amendment by applicant (claims and/or description)
11.10.2023Examination requested  [2023/46]
11.10.2023Date on which the examining division has become responsible
06.05.2024Despatch of a communication from the examining division (Time limit: M04)
13.08.2024Reply to a communication from the examining division
23.09.2025Cancellation of oral proceeding that was planned for 21.10.2025
06.10.2025Communication of intention to grant the patent
21.10.2025Date of oral proceedings (cancelled)
02.12.2025Fee for grant paid
02.12.2025Fee for publishing/printing paid
03.12.2025Receipt of the translation of the claim(s)
Divisional application(s)EP25215952.0
Fees paidRenewal fee
20.08.2024Renewal fee patent year 03
20.08.2025Renewal fee patent year 04
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Documents cited:Search[XI] US5550338  (HIELSCHER PETER et al.) [X] 1-5 * column 2, line 65 - column 5, line 9; figure - *[I] 6-7,9
 [X] US5030518  (KELLER KARL et al.) [X] 1,8-11 * column 3, line 49 - column 4, line 66 *
 [XI] WO2008047027  (SAINT GOBAIN ISOVER et al.) [X] 1 * page 13, line 15 - line 16; figure - *[I] 8
 [A] EP1503133  (ISOLITE GMBH et al.) [A] 1 * page 9, line 15 - page 10, line 2; figure 5 *
 [A] US2017234228  (OZCAN EVREN et al.) [A] 1 * figure - *
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