Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 4/210
Name: Baths, closets, sinks, and spittoons > Ventilation > Railway car
Description: Devices for ventilating railway-car closets.










Patents under this class:

Patent Number Title Of Patent Date Issued
6247191 Locomotive sanitation apparatus and method of protecting the same from freezing Jun. 19, 2001
5630233 Vehicle toilet vent apparatus May. 20, 1997
5369811 Vacuum toilet system with odor filter Dec. 6, 1994











 
 
  Recently Added Patents
Hydrothermal synthesis of nanocubes of sillenite type compounds for photovoltaic applications and solar energy conversion of carbon dioxide to fuels
Microcapsules, their use and processes for their manufacture
Preserving privacy of digital communication information
Method and system for prioritizing points of interest for display in a map using category score
Mobile device case with storage compartment
Image forming apparatus having exhaust fan
Satellite communication network
  Randomly Featured Patents
Operation apparatus for an automatic transmission
Defect inspection tool and method of parameter tuning for defect inspection tool
Prestressed composite concrete tank with improved pump joint and method for constructing the same
Medical injector handling device
Deep wordline trench to shield cross coupling between adjacent cells for scaled NAND
Interior permanent magnet machine
Modular pouch machine
Press section and method for starting and operating thereof
Blowout plug adapter
Hot-gas reciprocating engine