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Class Information
Number: 244/5
Name: Aeronautics > Aircraft, heavier-than-air > Airplanes, weight diminished by bouyant gas
Description: Aeronautical machines sustained by aerodynamic action on airfoils, having also provision for continuous or temporary additional sustentation by buoyant gas.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7219854 |
Cycloidal hybrid advanced surface effects vehicle |
May. 22, 2007 |
| 7073749 |
High altitude reconnaissance vehicle |
Jul. 11, 2006 |
| 7036768 |
Multi-purpose airship |
May. 2, 2006 |
| 6982655 |
Method and indicator for displaying information showing the airspeed tolerance margins for an aircraft |
Jan. 3, 2006 |
| 6892981 |
Stealthy duffel bag airplane |
May. 17, 2005 |
| 6860449 |
Hybrid flying wing |
Mar. 1, 2005 |
| 6848647 |
METHODS OF BUOYANT AND/OR SEMI-BUOYANT (BASB) VEHICLES UTILIZING BASB IN CONJUNCTION WITH PRESSURIZED FLUID STREAM JET (PJET) AND VARIOUSLY SHAPED BODIES, WINGS, OUTRIGGERS, AND PROPULSION/REP |
Feb. 1, 2005 |
| 6565037 |
Hybrid aircraft and methods of flying |
May. 20, 2003 |
| 6196498 |
Semi-buoyant vehicle with aerodynamic lift capability |
Mar. 6, 2001 |
| 6164589 |
Centerline landing gear for aerocraft |
Dec. 26, 2000 |
| 6016991 |
Evacuated rotating envelope aircraft |
Jan. 25, 2000 |
| 5683060 |
Air vehicle |
Nov. 4, 1997 |
| 5527000 |
Duplex complementary carrier |
Jun. 18, 1996 |
| 5518205 |
High altitude, long duration surveillance system |
May. 21, 1996 |
| 5425515 |
Aircraft |
Jun. 20, 1995 |
| 5351911 |
Vertical takeoff and landing (VTOL) flying disc |
Oct. 4, 1994 |
| 5104060 |
Hot gas device |
Apr. 14, 1992 |
| 5005783 |
Variable geometry airship |
Apr. 9, 1991 |
| 4982915 |
Structure and method of producing foams having hydrogen-filled cells for use in airship/balloon envelopes |
Jan. 8, 1991 |
| 4889297 |
Light aircraft for short-distance takeoff and landing |
Dec. 26, 1989 |
| 4799629 |
Flying object for collecting solar rays |
Jan. 24, 1989 |
| 4375280 |
Free wing flyer |
Mar. 1, 1983 |
| 4014483 |
Lighter-than-air craft |
Mar. 29, 1977 |
| 3993268 |
Ballooned, STOL aircraft |
Nov. 23, 1976 |
| 3970270 |
Low speed aircraft |
Jul. 20, 1976 |
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