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Class Information
Number: 422/106
Name: Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing > Control element responsive to a sensed operating condition > Responsive to liquid level
Description: Apparatus having a control element responsive to a sensed liquid level.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5885532 |
Burette apparatus |
Mar. 23, 1999 |
| 5874049 |
Two-stage chemical mixing system |
Feb. 23, 1999 |
| 5866426 |
Device and method for determining liquid-probe contact |
Feb. 2, 1999 |
| 5851384 |
Apparatus for automatically delivering hemodialysis solution to a plurality of hemodialysis machines |
Dec. 22, 1998 |
| 5799877 |
Fluid distribution across a particulate bed |
Sep. 1, 1998 |
| 5780306 |
Method and system for mixing liquids |
Jul. 14, 1998 |
| 5762804 |
Filter prewetting and decontamination method and apparatus |
Jun. 9, 1998 |
| 5695942 |
Automated histo-cytochemistry apparatus and encapsulation system for processing biological materials |
Dec. 9, 1997 |
| 5693877 |
Evaluating method for NO.sub.x eliminating catalyst, an evaluating apparatus therefor, and an efficiency controlling method therefor |
Dec. 2, 1997 |
| 5672316 |
Microwave-heatable pressure reactor |
Sep. 30, 1997 |
| 5670945 |
Self-monitoring hand-sanitizing station |
Sep. 23, 1997 |
| 5665601 |
Avoiding bubble formation while sensing air-liquid interface using pressurized air flow |
Sep. 9, 1997 |
| 5648727 |
Capacitive level sensing pipette probe |
Jul. 15, 1997 |
| 5632960 |
Two-stage chemical mixing system |
May. 27, 1997 |
| 5582798 |
Volume sensing device |
Dec. 10, 1996 |
| 5550059 |
Fluid sensing pipette |
Aug. 27, 1996 |
| 5496447 |
Water distilling apparatus |
Mar. 5, 1996 |
| 5494637 |
Endoscope washer |
Feb. 27, 1996 |
| 5490972 |
Raising mechanism for incubator cover |
Feb. 13, 1996 |
| 5443792 |
Pipetting device |
Aug. 22, 1995 |
| 5437842 |
Foam control system |
Aug. 1, 1995 |
| 5387396 |
Reactor for carrying out exothermic reactions |
Feb. 7, 1995 |
| 5380485 |
Apparatus for conducting and controlling chemical reactions |
Jan. 10, 1995 |
| 5352415 |
Control system for acetic acid manufacturing process |
Oct. 4, 1994 |
| 5312594 |
Sewage treatment apparatus |
May. 17, 1994 |
| 5275951 |
Liquid level sensing method and device |
Jan. 4, 1994 |
| 5271902 |
Quantitative liquid sampling instrument |
Dec. 21, 1993 |
| 5254311 |
Continuous multinominal analysis method and apparatus |
Oct. 19, 1993 |
| 5254244 |
Modular mixer-settler having separate stages manipulatable by telemanipulator |
Oct. 19, 1993 |
| 5252295 |
Control of HF alkylation propane stripper |
Oct. 12, 1993 |
| 5245292 |
Method and apparatus for sensing a fluid handling |
Sep. 14, 1993 |
| 5240684 |
Crystal diameter measuring device |
Aug. 31, 1993 |
| 5229082 |
Melt replenishment system for dendritic web growth |
Jul. 20, 1993 |
| 5225166 |
Method, apparatus and composition of matter for a high temperature plastic light conduit |
Jul. 6, 1993 |
| 5204064 |
Apparatus for conducting a catalytic distillation process |
Apr. 20, 1993 |
| 5190666 |
Method and apparatus for filtering a plurality of samples through a filter with indexing of the filter |
Mar. 2, 1993 |
| 5185126 |
Infectious waste disposal unit |
Feb. 9, 1993 |
| 5176787 |
Method and apparatus for measuring the diameter of a silicon single crystal |
Jan. 5, 1993 |
| 5145641 |
Autoclaves |
Sep. 8, 1992 |
| 5137694 |
Industrial solid detergent dispenser and cleaning system |
Aug. 11, 1992 |
| 5133941 |
Apparatus for hydrogenating hydrocarbons |
Jul. 28, 1992 |
| 5120403 |
Method for operating a catalytic distillation process |
Jun. 9, 1992 |
| 5118628 |
Method for analyzing water and apparatus to carry out this method |
Jun. 2, 1992 |
| 5108655 |
Foam monitoring control system |
Apr. 28, 1992 |
| 5104813 |
Dilution and mixing cartridge |
Apr. 14, 1992 |
| 5061450 |
Isolation fluid control device and water cup |
Oct. 29, 1991 |
| 5061453 |
Apparatus for the continuous charging of a liquid reactant with gas for the production of a foamable, liquid reaction mixture |
Oct. 29, 1991 |
| 5061639 |
Liquid dispenser accuracy verification method |
Oct. 29, 1991 |
| 5049826 |
Liquid level sensing apparatus for use in automatic chemical analysis |
Sep. 17, 1991 |
| 5043225 |
Wood preserving pad |
Aug. 27, 1991 |
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