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

Icon_funbox Bizarre Patents

Patent No. 6637447

Beerbrella

A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.

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 213/38 - Transverse springs


Subclass of Class 213 - Railway draft appliances
Definition: Devices wherein spring resistance is disposed transversely
No. of patents: 3
Last issue date: 01/25/2005


NumberTitleIssue Date
6845720Conveyor shock absorber
A shock absorbing tow bar for connecting between a drive trolley and a load carrying trolley of a conveyor system. The tow bar includes a pair of tubes that reciprocate relative to each other. A plunger is located within a first of the tubes and attached to a second...
01/25/2005
5529194Variable angle friction clutch mechanism for a draft gear assembly
A draft gear assembly having a variable angle friction clutch mechanism is provided. Such assembly includes a housing member having a compressible cushioning element disposed adjacent a closed end thereof. A seat is disposed between one end of the compres...
06/25/1996
5443170Variable angle friction clutch mechanism for a draft gear assembly
A draft gear assembly having a variable angle friction clutch mechanism is provided. The assembly includes a housing member having a compressible cushioning element disposed adjacent a closed end thereof. A seat member is disposed between one end of the c...
08/22/1995
 
Sign InRegister
Username  
Password   
forgot password?