CPC B64C11/005

A subclass of patents on spiral-shaped propellers. This subclass has no subclasses under it. Tech class tree:

• CPC B64C11/00: Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (rotors specially adapted for rotorcraft B64C27/32)
  • . . .
  • CPC B64C11/005: Spiral-shaped propellers

References

This wiki has 24 patents in category "CPC B64C11/005".

Patents in category CPC B64C11/005

• Patent FR-1902-320449 (English title: improvements in propellers oriented to aerial navigation, Inventors: Luigi Mezzadrelli, Filing date: 1902-04-16)
• Patent FR-1907-372528 (Inventors: Hippolyte-Augustin SOYEZ, Filing date: 1906-12-13)
• Patent FR-1907-382895.9756 (English title: Supplementary patent for propulsion designed for aerial or underwater navigation, Inventors: Daniel-Alexis-Léopold Grosclaude, Supplementary to patent: Patent FR-1907-382895, Filing date: 1908-08-31)
• Patent FR-1908-398540 (English title: Lift propeller for aerostat, Inventors: Jean Zanni, Filing date: 1908-10-14)
• Patent FR-1909-401272 (English title: Propeller for airships, Inventors: Heinrich Mack, Supplementary to patent: Patent AT-1909-48421, Filing date: 1909-03-26)
• Patent GB-1909-21754.19862 (English title: Improvements in propellers, Inventors: Daniel-Alexis-Léopold Grosclaude, Supplementary to patent: Patent GB-1908-21754 • Patent FR-1907-382895, Filing date: 1909-08-31)
• Patent GB-1909-91986 (English title: Improvements in propellers, Inventors: Daniel-Alexis-Léopold Grosclaude, Supplementary to patent: Patent GB-1908-21754 • Patent FR-1907-382895, Filing date: 1909-08-31)
• Patent US-1909-969865 (English title: Aeroplane, Inventors: Andrew W. Heil, Filing date: 1909-10-05)
• Patent FR-1910-417989 (English title: Concentric biplane with contrary movements, actually a helicopter, featuring two counter-rotating blades, or sets of blades, Inventors: Édouard-Jean Bigourdan, Filing date: 1910-06-25)
• Patent US-1912-1025539 (Inventors: Frank ROSBORY, Filing date: 1910-09-23)
• Patent GB-1910-26140 (English title: Propellers for aerial vessels, Inventors: James Bowie, Filing date: 1910-11-10)
• Patent FR-1910-417989.13504 (English title: Concentric biplane with contrary movements, actually a helicopter, featuring two counter-rotating blades, or sets of blades, Inventors: Édouard-Jean Bigourdan, Supplementary to patent: Patent FR-1910-417989, Filing date: 1910-12-03)
• Patent US-1912-1021784 (Inventors: Norman W. KNIGHT, Filing date: 1911-06-21)
• Patent GB-1911-14926 (English title: Improvements relating to Helicopter Flying-machines, Inventors: Édouard-Jean Bigourdan, Supplementary to patent: Patent FR-1910-417989, Filing date: 1911-06-26)
• Patent GB-1911-17854 (Inventors: James William SECKERSON, Filing date: 1911-08-05)
• Patent FR-1912-436151 (Inventors: James Bowie, Filing date: 1911-11-10)
• Patent GB-1912-13882 (English title: Improvements relating to Helicopter Flying Machines, Inventors: Édouard Jean Bigourdan, Supplementary to patent: Patent GB-1911-14926, Filing date: 1912-06-13)
• Patent FR-1912-446512 (Inventors: Adolf Heinrich OTT, Filing date: 1912-07-25)
• Patent GB-1912-19338 (English title: An Improved Spiral Propeller, Inventors: Jaroslav Engler, Supplementary to patent: Patent AT-1911-57606 • Patent AT-1909-47656, Filing date: 1912-08-23)
• Patent FR-1913-459214 (Inventors: Ludovic TAVERDON, Filing date: 1912-08-29)
• Patent GB-1917-113817 (English title: Propeller or fan improvements, Inventors: Evan Llewelyn Davies, Filing date: 1917-03-03)
• Patent US-1918-1269872 (Inventors: Hartvig Sorley, Filing date: 1917-05-23)
• Patent US-1918-1273166 (Inventors: Louis W ERWAY, Filing date: 1917-10-06)
• Patent FR-1918-516364 (English title: Improvements to means of propulsion, traction and lift, Inventors: Trajan Vuia, Filing date: 1918-02-25)

Enclosing categories	CPC B64C11/00
Subcategories
Keywords	Propellers
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