| |
 |
|
Class Information
Number: 205/787.5
Name: Electrolysis: processes, compositions used therein, and methods of preparing the compositions > Electrolytic analysis or testing (process and electrolyte composition) > For ph
Description: Subject matter in which a material is analyzed or tested for the logarithm of the reciprocal of hydrogen (H) ion concentration.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7604723 |
Measuring device with penetrating electrode |
Oct. 20, 2009 |
| 7553402 |
Method and device for developing an electrochemical measuring system |
Jun. 30, 2009 |
| 7429371 |
Reversible oxidation of carbon nanotubes |
Sep. 30, 2008 |
| 7318273 |
Method for producing pH probes |
Jan. 15, 2008 |
| 7276145 |
PH electrode |
Oct. 2, 2007 |
| 7270736 |
Electrode system for electrochemical sensor |
Sep. 18, 2007 |
| 7182847 |
System and probe for monitoring pH levels of a sample medium |
Feb. 27, 2007 |
| 7041209 |
pH-sensitive amperometric biosensor |
May. 9, 2006 |
| 6884332 |
Method and apparatus for treating an aqueous electroplating bath solution |
Apr. 26, 2005 |
| 6860984 |
pH electrode and methods of preparing and using same |
Mar. 1, 2005 |
| 6841292 |
Hydrogen sensor for fuel processors of a fuel cell |
Jan. 11, 2005 |
| 6663756 |
Microchip-type oxygen gas sensor based on differential potentiometry |
Dec. 16, 2003 |
| 6653842 |
Galvanic probes as pH and oxidation reduction potential sensors, control devices employing such probes, and related methods |
Nov. 25, 2003 |
| 6579440 |
Replaceable reference junction including an ion-barrier for an electrochemical sensor |
Jun. 17, 2003 |
| 6572748 |
Reference electrode |
Jun. 3, 2003 |
| 6475438 |
Field test apparatus for analysis of coolants and heat-exchange fluids |
Nov. 5, 2002 |
| 6464940 |
pH sensor and pH measurement method employing the same |
Oct. 15, 2002 |
| 6416646 |
Method of making a material for establishing solid state contact for ion selective electrodes |
Jul. 9, 2002 |
| 6416653 |
Device for separating electrolyte chambers within an electrochemical sensor |
Jul. 9, 2002 |
| 6395158 |
PH sensor with electrical noise immunity |
May. 28, 2002 |
| 6355158 |
Method of measuring pH |
Mar. 12, 2002 |
| 6306284 |
Apparatus and method for monitoring fluorine ions |
Oct. 23, 2001 |
| 6299754 |
PH sensitive reference electrode in electrolytic desilvering |
Oct. 9, 2001 |
| 6235491 |
Assay utilizing magnetic particles |
May. 22, 2001 |
| 6214206 |
Use of a chemical sensor |
Apr. 10, 2001 |
| 6193865 |
Analytic cell |
Feb. 27, 2001 |
| 6168707 |
Ion measurement apparatus and methods for improving the accuracy thereof |
Jan. 2, 2001 |
| 6146514 |
Apparatus and method for measuring acidity |
Nov. 14, 2000 |
| 6139707 |
pH electrode arrangement |
Oct. 31, 2000 |
| 6123827 |
Method for calibrating sensors used in diagnostic testing |
Sep. 26, 2000 |
| 6066249 |
Method for calibrating an instrument for measuring electrolytes and metabolites by analysis of blood gases |
May. 23, 2000 |
| 6022463 |
Sensors with subminiature through holes |
Feb. 8, 2000 |
| 5993640 |
Method of measuring the CaCO.sub.3 content of a scrubbing suspension, especially for a flue gas desulfurizing absorber |
Nov. 30, 1999 |
| 5945830 |
Flow through fluid pH and conductivity sensor |
Aug. 31, 1999 |
| 5921922 |
Measuring of bloodgases |
Jul. 13, 1999 |
| 5911862 |
Material for establishing solid state contact for ion selective electrodes |
Jun. 15, 1999 |
| 5911873 |
Apparatus and method for operating an ISFET at multiple drain currents and gate-source voltages allowing for diagnostics and control of isopotential points |
Jun. 15, 1999 |
| 5848965 |
Method and a system for the determination of pH and other fluid parameters utilizing a metal monocrystalline electrode |
Dec. 15, 1998 |
| 5804049 |
Material for establishing solid state contact for ion selective electrodes |
Sep. 8, 1998 |
| 5693204 |
Passive pH adjustment for analytical instruments |
Dec. 2, 1997 |
| 5658451 |
Method for calibration of a pH measuring element |
Aug. 19, 1997 |
| 5597463 |
Device for electrochemical measurements |
Jan. 28, 1997 |
| 5582699 |
pH glass electrode |
Dec. 10, 1996 |
| 5578194 |
Calibration of electrodes |
Nov. 26, 1996 |
| 5573798 |
Method of manufacturing an electrode for measuring pH |
Nov. 12, 1996 |
| 5556534 |
Electrochemical oxygen and PH sensors employing fluoride based solid-state electrolytes |
Sep. 17, 1996 |
| 5556760 |
Method for assaying urease |
Sep. 17, 1996 |
| 5507936 |
Member for the formation of at least one electrode and/or one sensor |
Apr. 16, 1996 |
| 5505828 |
Calibration solutions useful for analysis of biological fluids and methods employing same |
Apr. 9, 1996 |
| 5456810 |
Methods of measuring and controlling activity of zinc phosphate treatment solution |
Oct. 10, 1995 |
|
|
|
