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Class Information
Number: 55/DIG.15
Name: Gas separation > Cold traps
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7591985 |
Method for purifying germanium hydrides |
Sep. 22, 2009 |
| 7488374 |
Trapping device, processing system, and method removing impurities |
Feb. 10, 2009 |
| 7425224 |
High pressure chemical vapor trapping method |
Sep. 16, 2008 |
| 7329306 |
Process for safe membrane operation |
Feb. 12, 2008 |
| 7217306 |
Trap apparatus |
May. 15, 2007 |
| 7044997 |
Process byproduct trap, methods of use, and system including same |
May. 16, 2006 |
| 6966936 |
Processing system, evacuating system for processing system, low-pressure CVD system, and evacuating system and trapping device for low-pressure CVD system |
Nov. 22, 2005 |
| 6908499 |
Cold trap for CVD furnace |
Jun. 21, 2005 |
| 6830600 |
Cold traps for vapor lubrication processes |
Dec. 14, 2004 |
| 6758883 |
Apparatus and method for decreasing water vapor in compressed gas |
Jul. 6, 2004 |
| 6638345 |
Method for collecting reversely subliming substance and apparatus therefor |
Oct. 28, 2003 |
| 6572686 |
Apparatus for condensing and collecting hot gases |
Jun. 3, 2003 |
| 6547844 |
Exhaust gas filtration device, auxiliary filtration device and trap device |
Apr. 15, 2003 |
| 6517592 |
Cold trap assembly |
Feb. 11, 2003 |
| 6488745 |
Trap apparatus and method for condensable by-products of deposition reactions |
Dec. 3, 2002 |
| 6319299 |
Adjustable cold trap with different stages |
Nov. 20, 2001 |
| 6258153 |
Device for the deposition of substances |
Jul. 10, 2001 |
| 6241793 |
Cold trap equipped with curvilinear cooling plate |
Jun. 5, 2001 |
| 6206971 |
Integrated temperature controlled exhaust and cold trap assembly |
Mar. 27, 2001 |
| 5885313 |
Temperature-gradient type multistage condenser |
Mar. 23, 1999 |
| 5820641 |
Fluid cooled trap |
Oct. 13, 1998 |
| 5676886 |
Low lying fog simulator and method |
Oct. 14, 1997 |
| 5149493 |
Installation to regenerate cold traps loaded with the hydride and oxide of a liquid metal |
Sep. 22, 1992 |
| 4982050 |
Natural gas treating system including mercury trap |
Jan. 1, 1991 |
| 4906263 |
Adsorption filter with high air permeability |
Mar. 6, 1990 |
| 4702755 |
Drip trap |
Oct. 27, 1987 |
| 4488887 |
Cold trap |
Dec. 18, 1984 |
| 4177717 |
Baffle system for fume hood |
Dec. 11, 1979 |
| 4177718 |
Fume hood |
Dec. 11, 1979 |
| 4168741 |
Apparatus for ammonia feed in copying equipment |
Sep. 25, 1979 |
| 4150549 |
Cryopumping method and apparatus |
Apr. 24, 1979 |
| 4148196 |
Multiple stage cryogenic pump and method of pumping |
Apr. 10, 1979 |
| 4117694 |
Rotatable refrigerated valve |
Oct. 3, 1978 |
| 4072025 |
Regeneration-type cryopump |
Feb. 7, 1978 |
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