Quotables
"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5906335 | Flight direction control system for blimps A method and apparatus for controlling the flight direction of a blimp. The blimp includes an elongate fuselage for containing a lighter-than-air gas, a movable rudder located toward a tail end of the fuselage, and at least one propeller mounted on a side... | 05/25/1999 |
| 5901924 | Speed enhanced powered parachute A powered parachute or pendulum flying machine which includes a mechanism for shortening the chord length of the parachute wing, a mechanism for shortening the distance between the upper and lower airflow surfaces of the parachute wing, and a mechanism fo... | 05/11/1999 |
| 4889297 | Light aircraft for short-distance takeoff and landing A light aircraft for short distance takeoff and landing includes an airplane having a propeller provided on a rear pedestal thereof for producing vertical propulsion and an airship having a propeller provided on a rear pedestal thereof for producing verti... | 12/26/1989 |
