(19)
(11) EP 4 018 098 A1

(12)

(43) Date of publication:
29.06.2022 Bulletin 2022/26

(21) Application number: 20855060.8

(22) Date of filing: 17.08.2020
(51) International Patent Classification (IPC): 
F15D 1/04(2006.01)
B64C 27/20(2006.01)
B64C 29/00(2006.01)
F01P 5/06(2006.01)
 B64C 1/06(2006.01)
B64C 27/32(2006.01)
B64C 39/02(2006.01)
(52) Cooperative Patent Classification (CPC):
B64C 27/20; B64C 39/026; B64C 15/02; B64C 39/00; B64D 27/00; B63H 11/02
(86) International application number:
PCT/US2020/046716
(87) International publication number:
WO 2021/034783 (25.02.2021 Gazette 2021/08)
(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:
KH MA MD TN

(30) Priority: 19.08.2019 US 201962888971 P
12.09.2019 US 201962899715 P
04.01.2020 US 202062957122 P
16.01.2020 US 202062962144 P
16.01.2020 US 202062962154 P

(71) Applicants:
  • Holtzapple Mark
    College Station, TX 77845 (US)
  • Breedlove, Jeff
    Grantham, NH 79764 (US)
  • Brauer, Scott
    Dripping Springs, TX 78620 (US)
  • Van Steenburg, Michael
    Garden Ridge, TX 78266 (US)

(72) Inventors:
  • Holtzapple Mark
    College Station, TX 77845 (US)
  • Breedlove, Jeff
    Grantham, NH 79764 (US)
  • Brauer, Scott
    Dripping Springs, TX 78620 (US)
  • Van Steenburg, Michael
    Garden Ridge, TX 78266 (US)

(74) Representative: Barker Brettell LLP 
100 Hagley Road Edgbaston
Birmingham B16 8QQ
Birmingham B16 8QQ (GB)

   


(54) ENHANCED-THRUST LIFT AND PROPULSION SYSTEMS