(19)
(11) EP 4 824 429 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24904995.8

(22) Date of filing: 13.12.2024
(51) International Patent Classification (IPC): 
F15B 13/02(2006.01)
(52) Cooperative Patent Classification (CPC):
F16K 17/0473; F16K 17/0406; F16K 11/105
(86) International application number:
PCT/US2024/060115
(87) International publication number:
WO 2025/129055 (19.06.2025 Gazette 2025/25)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 14.12.2023 US 202363610278 P

(71) Applicant: A O International II, Inc.
Stafford, TX 77477 (US)

(72) Inventors:
  • ORBAN, Andre
    Sugar Land, Texas 77478 (US)
  • LERNER, Daniel Maurice
    Missouri City, Texas 77459 (US)
  • LERNER, Andrew
    Houston, Texas 77014 (US)
  • SINGH, Ranjit K.
    Houston, Texas 77025 (US)

(74) Representative: Hellmich, Wolfgang 
European Patent and Trademark Attorney Lortzingstrasse 9 / 2. Stock
81241 München
81241 München (DE)

   


(54) PRESSURE ACTIVATED FLOW BALANCING DOUBLE QUAD VALVE