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
Photoelectric conversion module
Method for measuring and improving organization effectiveness
Optical multiplexer/demultiplexer
Associating objects in databases by rate-based tagging
Multichannel device utilizing a centralized out-of-band authentication system (COBAS)
Noise spectrum tracking in noisy acoustical signals
Method for inhibiting thermal run-away
  Randomly Featured Patents
Television receiver
Trailing arm mounting structure
Information processing apparatus control method for external device having both a wire interface and a wireless interface settings
Arrangement in connection with a patient circuit and an absorber means
Microcomputer with ROM test mode of operation
Creating distributed proxy configurations
Thermostatically controlled electric fluid heating apparatus
Compositions comprising hydrophobic silicone oils and alkyl ether carboxylates
Graduated windshield wiper cleaning elements
Diagnostic method and apparatus for non-destructively observing latch data