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
Closed-loop adaptive adjustment of pacing therapy based on cardiogenic impedance signals detected by an implantable medical device
Connector interface for a cable
Data encoding and decoding apparatus and method thereof for verifying data integrity
Owner-brokered knowledge sharing machine
Purine compounds used as CB2 agonists
Light emitting device
Methods of forming semiconductor devices having diffusion regions of reduced width
  Randomly Featured Patents
Induced current position sensor having a closed magnetic path
Razor blade assembly
Adjustable self-aligning belt tensioner
Liquid level sending unit with flexible sensor board
Rotating fluid driven rotary actuator
Homing head for a flying body
Fluid dispensing pump
Emergency mobilization system
Three-dimensional data input device
Drill bit supporting multiple cutting elements with multiple cutter geometries and method of assembly