U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6293874

User-operated amusement apparatus for kicking the user's buttocks

An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.

Newsletter  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.

 

Class 60/209 - Including using additive material


Subclass of Class 60 - Power plants
Definition: Process directed to using an additive material other than
No. of patents: 7
Last issue date: 01/22/2008


NumberTitleIssue Date
7320952Additive for viscoelastic fluid
Composition and method for shortening the shear recovery time of cationic, zwitterionic, and amphoteric viscoelastic surfactant fluid systems by adding an effective amount of a co-gelling agent selected from triblock oligomeric compounds having hydrophilic (for exam...
01/22/2008
5938975Method and apparatus for total energy fuel conversion systems
Process of producing power comprising: providing a turbine adapted to generate shaft work, said turbine having a combustor; and a rocket engine having a nozzle and a compressor means; feeding fuel and oxidant to the rocket engine and the rocket engine compress...
08/17/1999
5775096Process for operating a reaction-type missile propulsion system and missile propulsion system
A method for accelerating a vehicle in the atmosphere, space or aerospace includes the steps of supplying a propellant having silicone hydride compounds into a combustion chamber, compressing air and delivering compressed air into a ring formed with a plu...
07/07/1998
5487267Suppression of infrared radiation emissions from jet engines
A reduction in the emission of infrared radiation by the engine of a jet aircraft can be achieved by employing a low molecular weight monohydric alcohol, having a luminometer number of at least about 200 as at least a portion of the fuel. Additional reduc...
01/30/1996
5419286System for lowering emissions of nitrogen oxides
The present invention provides an improved emissions reduction system for lowering the emissions of NOx generated by the combustion of hydrocarbons. The present invention further provides a method for lowering the emissions of NOx ge...
05/30/1995
5341639Fullerene rocket fuels
Solid fuel gas generator compositions for use in ducted rockets, in which fullerenes or substituted fullerenes are used. Fullerene compounds in which easily oxidizable groups, oxidizing groups, or salts of oxidizing acids are attached to the spherical car...
08/30/1994
5333445Scramjet engine having improved fuel/air mixing
A scramjet engine for powering an aircraft at supersonic velocities is disclosed. The scramjet engine includes supersonic compressed airflow in a combustor along with a fuel for providing combustion. A monopropellant is also supplied adjacent to the airfl...
08/02/1994
 
Sign InRegister
Username  
Password   
forgot password?