(19)
(11) EP 3 485 115 A1

(12)

(43) Date of publication:
22.05.2019 Bulletin 2019/21

(21) Application number: 17828564.9

(22) Date of filing: 14.07.2017
(51) International Patent Classification (IPC): 
E04H 9/14(2006.01)
E06B 7/14(2006.01)
E21F 1/16(2006.01)
E21F 17/12(2006.01)
E06B 7/02(2006.01)
E21F 1/08(2006.01)
E21F 17/103(2006.01)
(86) International application number:
PCT/US2017/042220
(87) International publication number:
WO 2018/013974 (18.01.2018 Gazette 2018/03)
(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
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 15.07.2016 US 201662363024 P

(71) Applicant: Floodbreak LLC
Houston, TX 77027 (US)

(72) Inventors:
  • WATERS, Louis, A., Jr.
    Houston, TX 70056 (US)
  • EASTMAN, Nick, Alan
    Georgetown, TX 78628 (US)

(74) Representative: Clark, Jane Anne et al
Mathys & Squire LLP The Shard 32 London Bridge Street
London SE1 9SG
London SE1 9SG (GB)

   


(54) FLOOD PROTECTION FOR UNDERGROUND AIR VENTS