Friedrich Esper

Person

Leonberg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Sinter magnet based on Fe-Nd-B
- Patent number 5,194,099
- Issue date Mar 16, 1993
- 501 Max-Planck-Gesellschaft zur Forderung der Wissenschaften E.V.
- Friedrich Esper
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Device for cleaning of gases
- Patent number 4,618,351
- Issue date Oct 21, 1986
- Robert Bosch GmbH
- Friedrich Esper
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Rapid-heating, high-temperature-stable spark plug for internal comb...
- Patent number 4,539,503
- Issue date Sep 3, 1985
- Robert Bosch GmbH
- Friedrich Esper
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Endoprosthesis shaft
- Patent number 4,535,487
- Issue date Aug 20, 1985
- Robert Bosch GmbH
- Friedrich J. Esper
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
High strength sintered alloy
- Patent number 4,533,392
- Issue date Aug 6, 1985
- Robert Bosch GmbH
- Friedrich J. Esper
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Temperature-compensated, oxygen-content gas sensor
- Patent number 4,532,492
- Issue date Jul 30, 1985
- Robert Bosch GmbH
- Friedrich J. Esper
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic transducer
- Patent number 4,503,348
- Issue date Mar 5, 1985
- Robert Bosch GmbH
- Friedrich J. Esper
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Glow plug, particularly for diesel engine
- Patent number 4,418,661
- Issue date Dec 6, 1983
- Robert Bosch GmbH
- Friedrich Esper
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Prosthetic device
- Patent number 4,356,571
- Issue date Nov 2, 1982
- Robert Bosch GmbH
- Friedrich Esper
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Heated gas composition sensor structure
- Patent number 4,339,320
- Issue date Jul 13, 1982
- Robert Bosch GmbH
- Karl-Hermann Friese
- G01 - MEASURING TESTING
Information Patent Grant
Electrochemical oxygen sensor, particularly for use with exhaust ga...
- Patent number 4,334,974
- Issue date Jun 15, 1982
- Robert Bosch GmbH
- Klaus Muller
- G01 - MEASURING TESTING
Information Patent Grant
Method to manufacture soft magnetic pressed bodies
- Patent number 4,320,080
- Issue date Mar 16, 1982
- Robert Bosch GmbH
- Friedrich Esper
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a medical prosthesis
- Patent number 4,268,468
- Issue date May 19, 1981
- Robert Bosch GmbH
- Friedrich J. Esper
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Solid electrolyte oxygen sensors
- Patent number 4,221,650
- Issue date Sep 9, 1980
- Robert Bosch GmbH
- Karl-Hermann Friese
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Stabilized zirconium dioxide compositions and oxygen sensors utiliz...
- Patent number 4,183,798
- Issue date Jan 15, 1980
- Robert Bosch GmbH
- Friedrich J. Esper
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
High-strength iron-molybdenum-nickel-phosphorus containing sintered...
- Patent number 4,128,420
- Issue date Dec 5, 1978
- Robert Bosch GmbH
- Friedrich J. Esper
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Friedrich Esper

Person

Patents Grantslast 30 patents

Sinter magnet based on Fe-Nd-B

Device for cleaning of gases

Rapid-heating, high-temperature-stable spark plug for internal comb...

Endoprosthesis shaft

High strength sintered alloy

Temperature-compensated, oxygen-content gas sensor

Magnetic transducer

Glow plug, particularly for diesel engine

Prosthetic device

Heated gas composition sensor structure

Electrochemical oxygen sensor, particularly for use with exhaust ga...

Method to manufacture soft magnetic pressed bodies

Method of making a medical prosthesis

Solid electrolyte oxygen sensors

Stabilized zirconium dioxide compositions and oxygen sensors utiliz...

High-strength iron-molybdenum-nickel-phosphorus containing sintered...