Bizarre Patents
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.
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 |
| 7350619 | Auxiliary power unit exhaust duct with muffler incorporating an externally replaceable acoustic liner Methods and apparatus are provided for an exhaust duct having an externally replaceable acoustic liner. The exhaust duct includes a forward section that is configured to be axially coupled with a bulkhead collar on the aircraft, a body section that is coupled to the... | 04/01/2008 |
| 7241214 | Upblast fan nozzle with wind deflecting panels An exhaust gas discharging apparatus for connection to an exhaust gas fan including an exhaust gas nozzle comprising a duct device forming at least one exhaust passage that extends between first and second open ends. The duct device has at least one exterior duct wa... | 07/10/2007 |
| 6676503 | Exhaust gas nozzle for fan An exhaust gas nozzle comprising a duct member forming a single exhaust passage and defining an open first end, an open second end, and a centrally-disposed longitudinal axis extending between the first end and the second end. The duct member includes at ... | 01/13/2004 |
| 5993309 | Chimney fan A chimney exhaust system for facilitating or creating an upward draft in a chimney flue, operating on what is referred to as "Bernoulli's Principle" comprises a housing unit having a tubular cross member and a tubular depending member, both members having... | 11/30/1999 |
| 4649808 | Fireplace damper assembly A damper assembly for sealing a vertical fireplace exhaust including a vertical duct having an outlet communicating with the atmosphere for exhaust of fireplace fumes, mounting means mounted on said vertical duct outlet, a damper downstream of said vertic... | 03/17/1987 |
