Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 4/221
Name: Baths, closets, sinks, and spittoons > Ventilation > Sewer > Burner
Description: The sewer gases are conducted to a furnace or to a fluid-fuel burner.

Patents under this class:

Patent Number Title Of Patent Date Issued
5214266 Electric heating rod attachment insertable into roof exhaust end of sewer vent pipe to prevent clogging from ice or snow accumulation May. 25, 1993
4200940 Toilet seat volatile gas incinerator May. 6, 1980

  Recently Added Patents
Mobile interactive kiosk method
Power storage device and method for manufacturing the same
Digital broadcast receiver and method for processing caption thereof
Food safety printer
High-accuracy centered fractional fourier transform matrix for optical imaging and other applications
Image processing device and information storage medium including motion vector information calculation
Integrated wire carrier for electrode array
  Randomly Featured Patents
Intraocular lens
Method and system for interference assessment and reduction in a wireless communication system
Semiconductor device and method for manufacturing the same
Thermoresponsive recording paper sheet
Electro-mechanical retrieval device for randomly filed materials
Method and a device for adjusting the pitch and stopping the rotation of the blades of a wind turbine
Modified Michelson delay-line interferometer
Verifying a lawful interception system
System and method for switching channels using tunable laser diodes
Solar tracking system