David J. Ledden

Person

Elkhart, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Plasma separation and sample metering device and kits and methods o...
- Patent number 11,850,583
- Issue date Dec 26, 2023
- Siemens Healthcare Diagnostics Inc.
- Aaron Kauffmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Devices, methods, and kits for multiplexing a fluid sample via flui...
- Patent number 11,585,808
- Issue date Feb 21, 2023
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- G01 - MEASURING TESTING
Information Patent Grant
Method and device comprising an optical fiber located inside a chan...
- Patent number 11,480,558
- Issue date Oct 25, 2022
- Siemens Healthcare Diagnostics Inc.
- Satish Kumar Dubey
- G01 - MEASURING TESTING
Information Patent Grant
Composition of a bilirubin stock and a method of preparation thereof
- Patent number 11,460,475
- Issue date Oct 4, 2022
- Siemens Healthcare Diagnostics Inc.
- Sudipa Galgalkar
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Dye-based liquid reagent volume indicator for use in analyte detect...
- Patent number 11,460,476
- Issue date Oct 4, 2022
- Siemens Healthcare Diagnostics Inc.
- Aaron Kauffmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Biofouling prevention of wearable sensors and methods of use and ca...
- Patent number 11,369,314
- Issue date Jun 28, 2022
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Scavenger protein(s) for improved preservation of analyte detection...
- Patent number 11,339,419
- Issue date May 24, 2022
- Siemens Healthcare Diagnostics Inc.
- Janine Cox
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Liquid analytical reagent dispensing apparatus and analytical kits...
- Patent number 11,040,350
- Issue date Jun 22, 2021
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Proteolytic digestion of cardiac troponin I
- Patent number 10,472,403
- Issue date Nov 12, 2019
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sample delivery system
- Patent number 10,391,484
- Issue date Aug 27, 2019
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- G01 - MEASURING TESTING
Information Patent Grant
Luminescent oxygen channeling immunoassays utilizing electrochemica...
- Patent number 10,371,661
- Issue date Aug 6, 2019
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- G01 - MEASURING TESTING
Information Patent Grant
Luminescent oxygen channeling immunoassays
- Patent number 10,371,643
- Issue date Aug 6, 2019
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- G01 - MEASURING TESTING
Information Patent Grant
Spectroscopic methods for the detection of glycated hemoglobin
- Patent number 10,288,628
- Issue date May 14, 2019
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Microfluidic distributing device
- Patent number 10,105,701
- Issue date Oct 23, 2018
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Microfluidic distributing device
- Patent number 9,416,776
- Issue date Aug 16, 2016
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Native analyte as a reference in lateral flow assays
- Patent number 8,101,429
- Issue date Jan 24, 2012
- Siemens Healthcare Diagnostics Inc.
- Gary H. Krauth
- G01 - MEASURING TESTING
Information Patent Grant
Automatic identification of reagent test strips using reflectance v...
- Patent number 7,538,336
- Issue date May 26, 2009
- Siemens Healthcare Diagnostics Inc.
- David A. Brock
- G01 - MEASURING TESTING
Information Patent Grant
Readhead for optical inspection apparatus
- Patent number 7,499,154
- Issue date Mar 3, 2009
- Siemens Healthcare Diagnostics Inc.
- Nicholas T. Stock
- G01 - MEASURING TESTING
Information Patent Grant
Specific binding assays employing label analog to reduce sample int...
- Patent number 4,810,635
- Issue date Mar 7, 1989
- Miles Inc.
- David J. Ledden
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SAMPLE COLLECTION APPARATUS AND METHODS FOR IMMUNOASSAY TESTING
- Publication number 20230400394
- Publication date Dec 14, 2023
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- G01 - MEASURING TESTING
Information Patent Application
DEVICES AND METHODS FOR PLASMA SEPARATION AND METERING
- Publication number 20230228773
- Publication date Jul 20, 2023
- Siemens Healthcare Diagnostics Inc.
- Aaron Kauffmann
- G01 - MEASURING TESTING
Information Patent Application
COMPOSITIONS AND METHODS OF TREATING COVID-19 WITH HEPARIN OR OTHER...
- Publication number 20230210890
- Publication date Jul 6, 2023
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PLASMA SEPARATION AND SAMPLE METERING DEVICE AND KITS AND METHODS O...
- Publication number 20220266241
- Publication date Aug 25, 2022
- Siemens Healthcare Diagnostics Inc.
- Aaron Kauffmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
TANGENT FLOW HEMOLYSIS DETECTION BLOOD TESTING DEVICE
- Publication number 20220252578
- Publication date Aug 11, 2022
- Siemens Healthcare Diagnostics Inc.
- Aaron Kauffmann
- G01 - MEASURING TESTING
Information Patent Application
HBA1c ASSAY SLIDE AND METHOD OF MAKING SAME
- Publication number 20220143604
- Publication date May 12, 2022
- Siemens Healthcare Diagnostics Inc.
- Aaron Kauffmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HEMOLYSIS DETECTION BLOOD TESTING DEVICE
- Publication number 20220137031
- Publication date May 5, 2022
- Siemens Healthcare Diagnostics Inc.
- Jennifer Samproni
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DYE-BASED LIQUID REAGENT VOLUME INDICATOR FOR USE IN ANALYTE DETECT...
- Publication number 20220043010
- Publication date Feb 10, 2022
- Siemens Healthcare Diagnostics Inc.
- Aaron Kauffmann
- G01 - MEASURING TESTING
Information Patent Application
COMPOSITION OF A BILIRUBIN STOCK AND A METHOD OF PREPARATION THEREOF
- Publication number 20210382074
- Publication date Dec 9, 2021
- Siemens Healthcare Diagnostics Inc.
- Sudipa Galgalkar
- G01 - MEASURING TESTING
Information Patent Application
DETECTION OF HEMOLYSIS USING A CHROMATOGRAPHIC DETECTION PAD
- Publication number 20210349107
- Publication date Nov 11, 2021
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- G01 - MEASURING TESTING
Information Patent Application
BIOFOULING PREVENTION OF WEARABLE SENSORS AND METHODS OF USE AND CA...
- Publication number 20210282709
- Publication date Sep 16, 2021
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LOW SAMPLE VOLUME URINALYSIS ASSAY STRIP, ANALYTICAL KITS, AND METH...
- Publication number 20210285945
- Publication date Sep 16, 2021
- Siemens Healthcare Diagnostics Inc.
- David LEDDEN
- G01 - MEASURING TESTING
Information Patent Application
LUMINESCENT OXYGEN CHANNELING IMMUNOASSAY UTILIZING THREE ANTIBODIE...
- Publication number 20210231647
- Publication date Jul 29, 2021
- Siemens Healthcare Diagnostics Inc.
- Jay J. LI
- G01 - MEASURING TESTING
Information Patent Application
DEVICES, METHODS, AND KITS FOR MULTIPLEXING A FLUID SAMPLE VIA FLUI...
- Publication number 20210164972
- Publication date Jun 3, 2021
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND DEVICE FOR DETERMINING THE CONCENTRATION OF ANALYTE IN W...
- Publication number 20200200730
- Publication date Jun 25, 2020
- Siemens Healthcare Diagnostics Inc.
- Satish Kumar Dubey
- G01 - MEASURING TESTING
Information Patent Application
SCAVENGER PROTEIN(S) FOR IMPROVED PRESERVATION OF ANALYTE DETECTION...
- Publication number 20200140917
- Publication date May 7, 2020
- Siemens Healthcare Diagnostics Inc.
- Janine Cox
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
PROTEOLYTIC DIGESTION OF CARDIAC TROPONIN I
- Publication number 20200031889
- Publication date Jan 30, 2020
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DEVICES, METHODS, AND KITS FOR MULTIPLEXING A FLUID SAMPLE VIA FLUI...
- Publication number 20190331675
- Publication date Oct 31, 2019
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- G01 - MEASURING TESTING
Information Patent Application
LIQUID ANALYTICAL REAGENT DISPENSING APPARATUS AND ANALYTICAL KITS...
- Publication number 20190240667
- Publication date Aug 8, 2019
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HETEROGENEOUS LUMINESCENT OXYGEN CHANNELING IMMUNOASSAYS AND METHOD...
- Publication number 20190170759
- Publication date Jun 6, 2019
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- G01 - MEASURING TESTING
Information Patent Application
LATERAL FLOW ASSAY RATIO TEST
- Publication number 20180306815
- Publication date Oct 25, 2018
- Siemens Healthcare Diagnostics Inc.
- Krastyu Ugrinov
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
PROTEOLYTIC DIGESTION OF CARDIAC TROPONIN I
- Publication number 20170369544
- Publication date Dec 28, 2017
- Siemens Healthcare Diagnostics Inc.
- David Ledden
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
LUMINESCENT OXYGEN CHANNELING IMMUNOASSAY UTILIZING THREE ANTIBODIE...
- Publication number 20170176419
- Publication date Jun 22, 2017
- Siemens Healthcare Diagnostics Inc.
- Jay J. LI
- G01 - MEASURING TESTING
Information Patent Application
SAMPLE DELIVERY SYSTEM
- Publication number 20170113217
- Publication date Apr 27, 2017
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- G01 - MEASURING TESTING
Information Patent Application
DETECTION OF HEMOLYSIS USING A CHROMATOGRAPHIC DETECTION PAD
- Publication number 20170108516
- Publication date Apr 20, 2017
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- G01 - MEASURING TESTING
Information Patent Application
SPECTROSCOPIC METHODS FOR THE DETECTION OF GLYCATED HEMOGLOBIN
- Publication number 20170030932
- Publication date Feb 2, 2017
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- G01 - MEASURING TESTING
Information Patent Application
MICROFLUIDIC DISTRIBUTING DEVICE
- Publication number 20160318019
- Publication date Nov 3, 2016
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- G01 - MEASURING TESTING
Information Patent Application
HETEROGENEOUS LUMINESCENT OXYGEN CHANNELING IMMUNOASSAYS
- Publication number 20160033417
- Publication date Feb 4, 2016
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- G01 - MEASURING TESTING
Information Patent Application
LUMINESCENT OXYGEN CHANNELING IMMUNOASSAYS UTILIZING ELECTROCHEMICA...
- Publication number 20160033443
- Publication date Feb 4, 2016
- Siemens Healthcare Diagnostics Inc.
- David J. Ledden
- G01 - MEASURING TESTING
Information Patent Application
HETEROGENEOUS LUMINESCENT OXYGEN CHANNELING IMMUNOASSAYS AND METHOD...
- Publication number 20160025736
- Publication date Jan 28, 2016
- Siemens Healthcare Diagnostics Inc.
- David J. LEDDEN
- G01 - MEASURING TESTING

David J. Ledden

Person

Patents Grantslast 30 patents

Plasma separation and sample metering device and kits and methods o...

Devices, methods, and kits for multiplexing a fluid sample via flui...

Method and device comprising an optical fiber located inside a chan...

Composition of a bilirubin stock and a method of preparation thereof

Dye-based liquid reagent volume indicator for use in analyte detect...

Biofouling prevention of wearable sensors and methods of use and ca...

Scavenger protein(s) for improved preservation of analyte detection...

Liquid analytical reagent dispensing apparatus and analytical kits...

Proteolytic digestion of cardiac troponin I

Sample delivery system

Luminescent oxygen channeling immunoassays utilizing electrochemica...

Luminescent oxygen channeling immunoassays

Spectroscopic methods for the detection of glycated hemoglobin

Microfluidic distributing device

Microfluidic distributing device

Native analyte as a reference in lateral flow assays

Automatic identification of reagent test strips using reflectance v...

Readhead for optical inspection apparatus

Specific binding assays employing label analog to reduce sample int...

Patents Applicationslast 30 patents

SAMPLE COLLECTION APPARATUS AND METHODS FOR IMMUNOASSAY TESTING

DEVICES AND METHODS FOR PLASMA SEPARATION AND METERING

COMPOSITIONS AND METHODS OF TREATING COVID-19 WITH HEPARIN OR OTHER...

PLASMA SEPARATION AND SAMPLE METERING DEVICE AND KITS AND METHODS O...

TANGENT FLOW HEMOLYSIS DETECTION BLOOD TESTING DEVICE

HBA1c ASSAY SLIDE AND METHOD OF MAKING SAME

HEMOLYSIS DETECTION BLOOD TESTING DEVICE

DYE-BASED LIQUID REAGENT VOLUME INDICATOR FOR USE IN ANALYTE DETECT...

COMPOSITION OF A BILIRUBIN STOCK AND A METHOD OF PREPARATION THEREOF

DETECTION OF HEMOLYSIS USING A CHROMATOGRAPHIC DETECTION PAD

BIOFOULING PREVENTION OF WEARABLE SENSORS AND METHODS OF USE AND CA...

LOW SAMPLE VOLUME URINALYSIS ASSAY STRIP, ANALYTICAL KITS, AND METH...

LUMINESCENT OXYGEN CHANNELING IMMUNOASSAY UTILIZING THREE ANTIBODIE...

DEVICES, METHODS, AND KITS FOR MULTIPLEXING A FLUID SAMPLE VIA FLUI...

METHOD AND DEVICE FOR DETERMINING THE CONCENTRATION OF ANALYTE IN W...

SCAVENGER PROTEIN(S) FOR IMPROVED PRESERVATION OF ANALYTE DETECTION...

PROTEOLYTIC DIGESTION OF CARDIAC TROPONIN I

DEVICES, METHODS, AND KITS FOR MULTIPLEXING A FLUID SAMPLE VIA FLUI...

LIQUID ANALYTICAL REAGENT DISPENSING APPARATUS AND ANALYTICAL KITS...

HETEROGENEOUS LUMINESCENT OXYGEN CHANNELING IMMUNOASSAYS AND METHOD...

LATERAL FLOW ASSAY RATIO TEST

PROTEOLYTIC DIGESTION OF CARDIAC TROPONIN I

LUMINESCENT OXYGEN CHANNELING IMMUNOASSAY UTILIZING THREE ANTIBODIE...

SAMPLE DELIVERY SYSTEM

DETECTION OF HEMOLYSIS USING A CHROMATOGRAPHIC DETECTION PAD

SPECTROSCOPIC METHODS FOR THE DETECTION OF GLYCATED HEMOGLOBIN

MICROFLUIDIC DISTRIBUTING DEVICE

HETEROGENEOUS LUMINESCENT OXYGEN CHANNELING IMMUNOASSAYS

LUMINESCENT OXYGEN CHANNELING IMMUNOASSAYS UTILIZING ELECTROCHEMICA...

HETEROGENEOUS LUMINESCENT OXYGEN CHANNELING IMMUNOASSAYS AND METHOD...