Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 244/67
Name: Aeronautics > Aircraft propulsion > Screw > Body encircling
Description: Aircraft screw propellers arranged to rotate about the external periphery of aircraft bodies.










Patents under this class:

Patent Number Title Of Patent Date Issued
6450445 Stabilizing control apparatus for robtic or remotely controlled flying platform Sep. 17, 2002
5503351 Circular wing aircraft Apr. 2, 1996
4657209 Ducted propeller aircraft Apr. 14, 1987
4560119 Lightweight aircraft Dec. 24, 1985
4544115 Ducted propeller aircraft Oct. 1, 1985
4482110 Cyclorotor composite aircraft Nov. 13, 1984
4371133 Ducted propeller aircraft Feb. 1, 1983











 
 
  Recently Added Patents
Image forming apparatus and control method therefor
Estrogen receptor ligands
Semiconductor device
Hydrating lounge chair
Method and system for placing an emergency call
Method of operating a split gate flash memory cell with coupling gate
Light emitted diode
  Randomly Featured Patents
Device for stoma hygiene
Method and system for unifying phonebook for varied hearing disabilities
Gerbera jamesonii D plant named Tereeuw
Bonding with a poly(arylene sulfide)-polytetrafluoroethylene adhesive
Self-aligned lateral heterojunction bipolar transistor
Method for controlling power change for a semiconductor module
Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
Cutting tooth for a trencher chain
Solid fluorescence reference and method
Strap detector assembly