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

Icon_funbox Bizarre Patents

Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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 104/267 - Double


Subclass of Class 104 - Railways
Definition: Car-replacing frog-blocks with the car-replacing frogs in
No. of patents: 2
Last issue date: 09/26/2006


NumberTitleIssue Date
6202564Double end derail
A bi-directional derail is provided with an improved construction which reduces the thrust load imparted by a rail vehicle wheel against the derail, while maintaining the weight and material cost of the derail within practical limits. In a preferred embod...
03/20/2001
 
Sign InRegister
Username  
Password   
forgot password?