(19)
(11) EP 4 823 714 A1

(12)

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

(21) Application number: 24904876.0

(22) Date of filing: 12.12.2024
(51) International Patent Classification (IPC): 
B01D 53/22(2006.01)
B01D 53/34(2006.01)
(52) Cooperative Patent Classification (CPC):
B01D 2256/245; B01D 2259/40052; B01D 2257/102; B01D 2259/45; B01D 2253/102; B01D 53/0476; B01D 53/047; B01D 53/053
(86) International application number:
PCT/US2024/059781
(87) International publication number:
WO 2025/128829 (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: 13.12.2023 US 202363609613 P

(71) Applicant: Ameresco, Inc.
Framingham, MA 01701 (US)

(72) Inventors:
  • HALL, Nathan
    Cape Elizabeth, ME 04107 (US)
  • BRUCE, Mark
    Gray, ME 04039 (US)
  • RUSSELL, Ben
    Portland, ME 04103 (US)

(74) Representative: HGF 
HGF Limited 4th Floor, 1 City Square
Leeds LS1 2ES
Leeds LS1 2ES (GB)

   


(54) GRADIENT SEPARATOR SYSTEM AND METHOD