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Class Information
Number: 48/195
Name: Gas: heating and illuminating > Distribution > Leakage > Odorizers
Description: Means for charging gas with an odorous substance.










Patents under this class:

Patent Number Title Of Patent Date Issued
8475550 Self-optimizing odorant injection system Jul. 2, 2013
8349038 Self optimizing odorant injection system Jan. 8, 2013
8317887 Mixture to add odour to an odourless combustible gas Nov. 27, 2012
8202331 Pump purge apparatus and method Jun. 19, 2012
8137419 Odorant mixture for odorless gas fuel Mar. 20, 2012
7452391 Feedforward control processes for variable output hydrogen generators Nov. 18, 2008
7389786 Ultrasonic and sonic odorization systems Jun. 24, 2008
7192459 Addition of odorants to gases for leak detection Mar. 20, 2007
7056360 Optical odorization system Jun. 6, 2006
7024869 Addition of odorants to hydrogen by incorporating odorants with hydrogen storage materials Apr. 11, 2006
6793699 Continuous tracer generation apparatus Sep. 21, 2004
6223762 Device and method for superodorizing an LP-gas tank May. 1, 2001
6208913 Chemical injection system Mar. 27, 2001
5632295 Method and an apparatus for adding a melodorant to a consumer gas May. 27, 1997
5406970 Chemical injection system Apr. 18, 1995
5213586 Vent check valve May. 25, 1993
5049312 Test-fluid composition and method for detecting leaks in pipelines and associated facilities Sep. 17, 1991
4844713 Fragrant liquefied petroleum gas composition and the method of preparing the same Jul. 4, 1989
4611294 Method of and apparatus for monitoring odorizer performance Sep. 9, 1986
4504281 Odorant injection apparatus Mar. 12, 1985
4487613 Odorization of combustible hydrocarbon gases Dec. 11, 1984
4434293 Tetrahydrothiophene derivatives and methods of preparation Feb. 28, 1984
4025315 Method of odorizing liquid natural gas May. 24, 1977
4007755 Component injection system Feb. 15, 1977
3939858 Assembly and method of obtaining a controlled gas mixture Feb. 24, 1976











 
 
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