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

Icon_funbox Did You Know...

...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?

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.

 

Assignee: dbb Fuel Cell Engines GmbH


Location: Nabern, DE
No. of patents: 3

NumberTitleIssue Date
6053266Fuel cell engine having a propulsion motor operatively connected to drive a fluid supply device
A fuel cell engine for a vehicle comprises at least one fuel cell stack for producing electric power from a fuel and an oxidant, a propulsion motor, for propelling the vehicle. The propulsion motor is connected to receive electric power from the at least ...
04/25/2000
5991670Power control system for a fuel cell powered vehicle
A control system interrelatedly controls the electric power output and oxidant supply in a fuel cell electric power generation system. The power generation system comprises at least one fuel cell stack, and a plurality of electrical loads powered by the f...
11/23/1999
5771476Power control system for a fuel cell powered vehicle
A power control system for controlling the supply of a reactant gas, such as air, for reaction within a fuel cell stack used to power, for example, a motor vehicle is set forth. The disclosed system may be used to reduce or eliminate compressor revving an...
06/23/1998
 
Sign InRegister
Username  
Password   
forgot password?