Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 4/DIG.11
Name: Baths, closets, sinks, and spittoons > Oil toilet

Patents under this class:

Patent Number Title Of Patent Date Issued
6589440 Waterless urinal with liquid seal, liquid seal and method of using liquid seal Jul. 8, 2003
6487731 Self-cleaning, waste storing, odorless, environmentally friendly toilet for humans and animals Dec. 3, 2002
4627383 Animal waste collection arrangement Dec. 9, 1986
4519103 Self-contained sewage waste disposal system May. 28, 1985
4433443 Self-contained flow through sewage waste disposal system Feb. 28, 1984
4313233 Waterless flush toilet system Feb. 2, 1982
4222130 Waterless flush toilet system Sep. 16, 1980
4070714 Sewerless recirculating toilet and human waste storage system Jan. 31, 1978
4040956 Synthetic flush fluids Aug. 9, 1977
4028747 Oil toilet Jun. 14, 1977
3974528 Sewage system with reusable flush medium Aug. 17, 1976
3951796 Oil recirculating toilets Apr. 20, 1976
3934275 Oil recovery system Jan. 27, 1976

  Recently Added Patents
Air scent dispenser
Relative pose estimation of non-overlapping cameras using the motion of subjects in the camera fields of view
Communication device and two-dimensional communication system using the same
Encryption using alternate authentication key
Computerized apparatus for identifying industries for potential transfer of a job function
Equipment to facilitate money transfers into bank accounts
System for purifying air through germicidal irradiation and method of manufacture
  Randomly Featured Patents
Silver halide photographic light-sensitive materials
Knotless tissue anchor
Method and device for identifying user-selected equipment
Artificial tanning compositions having improved stability
Low micron-sized ascorbic acid particles, especially a suspension thereof in a medium in which they are insoluble, and the use thereof as an antioxidant for mediums in which the particles rema
Transparent measuring device
Multi-drive portable computer
LCD device with TFTs in which pixel electrodes are formed in the same plane as the gate electrodes with anodized oxide films and before the deposition of the silicon gate insulator
Accelerating structure for a linear charged particle accelerator
Recorded data processing method and apparatus providing for fine detail management and editing of reproduced data irrespective of the data structure