Resources Contact Us Home
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 244/70
Name: Aeronautics > Aircraft propulsion > Paddle wheel
Description: The arrangement relative to aircraft and the use on aircraft of devices using the thrust developed by rotating paddle wheels for propelling aircraft.

Patents under this class:

Patent Number Title Of Patent Date Issued
8528855 Magnus and transverse flow hybrid rotor Sep. 10, 2013
8398015 Aircraft that can fly horizontally and vertically Mar. 19, 2013
7594625 Proprotor blade with leading edge slot Sep. 29, 2009
6845940 Lift generator by continuously rotating impeller Jan. 25, 2005
6352458 Propulsion system and method Mar. 5, 2002
6224441 Propulsion system and method May. 1, 2001
6007021 Flying apparatus for a vertical take off and landing Dec. 28, 1999
5265827 Paddle wheel rotorcraft Nov. 30, 1993
5100080 Rotor for developing sustaining and propelling forces in a fluid, steering process, and aircraft equipped with such rotor Mar. 31, 1992
4527757 Lift generating mechanism for an aircraft Jul. 9, 1985
4166595 Variable lift advancing wing aircraft Sep. 4, 1979

  Recently Added Patents
Secure data entry device
Signal processor and signal processing method
Wafer level packaging
System and method for detecting deadlock in a multithread program
Systems and methods for economic retirement analysis
Battery grid
Technique for effectively providing program material in a cable television system
  Randomly Featured Patents
Chrysanthemum plant named Sunny Linda
Superluminescent diode with stripe shaped doped region
Apparatus for treating gases produced from coal
Dependent power supplying apparatus and electronic instrument
Gel composition for skin care and protection and a method for preparation thereof
Video phone system
Information processing device and external unit
Container waist
Sound generating appliance
Tool box handle