| Patent | Date |
|---|
Ceramic Insulating Material and Sensor Element Containing a Ceramic Insulating Material
App 20080269043 - Wahl; Thomas ; et al. | 2008-10-30 |
Catalytically active layer
Grant 7,361,620 - Wiedenmann , et al. April 22, 2 | 2008-04-22 |
Device for cleaning gas mixtures, and method for producing it
App 20070020156 - Kraft; Wolfgang ; et al. | 2007-01-25 |
Catalytically active layer
App 20030111341 - Wiedenmann, Hans-Martin ; et al. | 2003-06-19 |
Sensor and method for the manufacture
Grant 6,408,680 - Friese , et al. June 25, 2 | 2002-06-25 |
Sensor And Method For The Manufacture
App 20010045120 - FRIESE, KARL-HERMANN ; et al. | 2001-11-29 |
Gas-permeable connecting lead for a probe
Grant 6,018,982 - Friese , et al. February 1, 2 | 2000-02-01 |
Electrochemical measuring sensor and method for producing an electrochemical measuring sensor
Grant 5,885,429 - Friese , et al. March 23, 1 | 1999-03-23 |
Seal for a sensor element of a gas sensor
Grant 5,795,454 - Friese , et al. August 18, 1 | 1998-08-18 |
Method of determining the transferred layer mass during thermal spraying methods
Grant 5,731,030 - Friese , et al. March 24, 1 | 1998-03-24 |
Sintered solid electrolyte having a high oxygen-ion conductivity
Grant 5,709,786 - Friese , et al. January 20, 1 | 1998-01-20 |
Method for fabricating high-activity electrodes for exhaust gas sensors
Grant 5,698,267 - Friese , et al. December 16, 1 | 1997-12-16 |
Electro-chemical measuring sensor with a potential-free sensor element and method for producing it
Grant 5,670,032 - Friese , et al. September 23, 1 | 1997-09-23 |
Electrochemical sensor for determining the oxygen concentration in gas mixtures
Grant 5,630,920 - Friese , et al. May 20, 1 | 1997-05-20 |
Process for the production of composite systems having at least two inorganic ceramic layers
Grant 5,628,848 - Friese , et al. May 13, 1 | 1997-05-13 |
Sensor element for the determination of concentration of gas constituent(s)
Grant 5,545,301 - Friese , et al. August 13, 1 | 1996-08-13 |
Electrochemical measuring probe
Grant 5,486,279 - Friese , et al. January 23, 1 | 1996-01-23 |
Sensor for determining gas components and/or gas concentrations of gas mixtures
Grant 5,476,001 - Hoetzel , et al. December 19, 1 | 1995-12-19 |
Temperature sensor and method for producing temperature sensor elements
Grant 5,406,246 - Friese , et al. April 11, 1 | 1995-04-11 |
Laminated system for gas sensors and process for producing it
Grant 5,368,713 - Friese , et al. November 29, 1 | 1994-11-29 |
PTC temperature sensor for use in an exhaust gas system
Grant 5,181,007 - Friese , et al. January 19, 1 | 1993-01-19 |
NTC temperature sensor and process for producing NTC temperature sensing elements
Grant 5,142,266 - Friese , et al. August 25, 1 | 1992-08-25 |
Stable ceramic consisting of aluminum oxide
Grant 5,030,602 - Frey , et al. July 9, 1 | 1991-07-09 |
Method of production of a spark plug for internal combustion engines
Grant 4,963,112 - Benedikt , et al. October 16, 1 | 1990-10-16 |
Surface-gap spark plug for internal combustion engines
Grant 4,798,991 - Benedikt , et al. January 17, 1 | 1989-01-17 |
Solid electrochemical sensor
Grant 4,354,912 - Friese October 19, 1 | 1982-10-19 |
Method of making an ion conductive gas sensor body with a cermet electrode thereon
Grant 4,283,441 - Haecker , et al. August 11, 1 | 1981-08-11 |
Electrochemical sensor structure to determine oxygen content in combustion exhaust gases
Grant 4,283,261 - Maurer , et al. August 11, 1 | 1981-08-11 |
Electrochemical sensor, particularly for oxygen determination in combustion gases
Grant 4,282,080 - Muller , et al. August 4, 1 | 1981-08-04 |
Electrochemical sensor, particularly oxygen sensor to determine exhaust gas composition from automotive internal combustion engines
Grant 4,265,724 - Haecker , et al. May 5, 1 | 1981-05-05 |
Solid electrolyte oxygen sensors
Grant 4,221,650 - Friese , et al. September 9, 1 | 1980-09-09 |
Stabilized zirconium dioxide compositions and oxygen sensors utilizing said compositions
Grant 4,183,798 - Esper , et al. January 15, 1 | 1980-01-15 |
Methods for producing oxygen-sensing element, particularly for use with internal combustion engine exhaust emission analysis
Grant 3,978,006 - Topp , et al. August 31, 1 | 1976-08-31 |
Ceramic oxide resistor element
Grant 3,928,837 - Esper , et al. December 23, 1 | 1975-12-23 |
Fuel injection system especially for cold starting and warming up externally ignited internal combustion engines
Grant 3,868,939 - Friese , et al. March 4, 1 | 1975-03-04 |
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