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

Icon_funbox Did You Know...

...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.

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 105/417 - Spread-center sill type


Subclass of Class 105 - Railway rolling stock
Definition: Underframes in which the center sills are spaced more widely
No. of patents: 4
Last issue date: 09/05/1989


NumberTitleIssue Date
4862810Railroad car for container transport
A railroad car for transporting horizontal shipping containers includes (1) a vertical transition box from the car center sill to the end wall of a well portion capable of receiving one or more shipping containers, (2) car body bottom side sills in the fo...
09/05/1989
4807722Railroad car for container transport
A railroad car for transporting horizontal shipping containers includes (1) a vertical transistion box from the car center sill to the end wall of a well portion capable of receiving one or more shipping containers, (2) car body bottom side sills in the f...
02/28/1989
4782762Well car end girder arrangement
A railway car train comprises five car units. Each car unit has two end structures with a depressed well portion supported therebetween. A pair of side structures extend between the end structures and adjacent the well portion. A floor structure extends b...
11/08/1988
4312711Fluid cooled quenching cars
A quenching car comprises an open-topped body arranged to carry a load to be quenched. At least a part of the body is composed of walls of hollow construction to receive a liquid cooling medium, such as water. The hollow walls comprise inner and outer pla...
01/26/1982
 
Sign InRegister
Username  
Password   
forgot password?