DL

David Ledden

SD Siemens Healthcare Diagnostics: 21 patents #10 of 659Top 2%
BO BOE: 3 patents #4,806 of 12,373Top 40%
MI Miles: 1 patents #258 of 626Top 45%
RG Roche Diagnostics Gmbh: 1 patents #336 of 851Top 40%
📍 Elkhart, IN: #14 of 828 inventorsTop 2%
🗺 Indiana: #990 of 33,936 inventorsTop 3%
Overall (All Time): #150,391 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12399169 Tangent flow hemolysis detection blood testing device Aaron Kauffmann, Jennifer A. Samproni 2025-08-26
12366571 Luminescent oxygen channeling immunoassay utilizing three antibodies and methods of production and use thereof Jay Li, Eric Cowden, Donglai Lu 2025-07-22
12311363 HBA1c assay slide and method of making same Aaron Kauffmann, Jeffrey Mayfield 2025-05-27
11850583 Plasma separation and sample metering device and kits and methods of use related thereto Aaron Kauffmann 2023-12-26
11585808 Devices, methods, and kits for multiplexing a fluid sample via fluid sample reuse 2023-02-21
11480558 Method and device comprising an optical fiber located inside a channel for determining the concentration of analyte in whole blood based on change of reflected light wavelength Satish Kumar Dubey, Ashish Kumar Lal, Vishal Prabhu 2022-10-25
11460475 Composition of a bilirubin stock and a method of preparation thereof Sudipa Galgalkar, Ishita Chakraborty, Ragavendar MS 2022-10-04
11460476 Dye-based liquid reagent volume indicator for use in analyte detection assays Aaron Kauffmann, Chris T. Zimmerle, Jon Stradinger 2022-10-04
11369314 Biofouling prevention of wearable sensors and methods of use and calibration related thereto 2022-06-28
11339419 Scavenger protein(s) for improved preservation of analyte detection sensor(s) and method(s) of use thereof Janine Cox, Christopher Lawrence, Murli Narayan 2022-05-24
11040350 Liquid analytical reagent dispensing apparatus and analytical kits and methods of use related thereto 2021-06-22
10472403 Proteolytic digestion of cardiac troponin I Eric Cowden 2019-11-12
10391484 Sample delivery system Janine Cox 2019-08-27
10371643 Luminescent oxygen channeling immunoassays 2019-08-06
10371661 Luminescent oxygen channeling immunoassays utilizing electrochemical discharge of singlet oxygen and methods of production and use thereof 2019-08-06
10288628 Spectroscopic methods for the detection of glycated hemoglobin 2019-05-14
10105701 Microfluidic distributing device Dafeng Chen, James E. Rasmussen 2018-10-23
9416776 Microfluidic distributing device Dafeng Chen, James E. Rasmussen 2016-08-16
8101429 Native analyte as a reference in lateral flow assays Gary H. Krauth 2012-01-24
7538336 Automatic identification of reagent test strips using reflectance values David A. Brock, Chris T. Zimmerle 2009-05-26
7499154 Readhead for optical inspection apparatus Nicholas T. Stock, Gary D. Ross 2009-03-03
6093546 Process for preparing test elements David R. Moorman, Michael J. Kinch, Harvey Buck 2000-07-25
5492813 Muteins of .beta.-galactosidase fragments having increased activity Scott Eisenbeis, Sophie J. Boguslawski, Mark Krevolin 1996-02-20
5464747 Oxidation-resistant muteins of .beta.-galactosidase fragments Scott Eisenbeis, Mark Krevolin, Christopher Bryant, Sophie J. Boguslawski, Scott L. Clark 1995-11-07
5356782 Analytical test apparatus with on board negative and positive control David R. Moorman, David Daniel Webster, Brian A. Heald 1994-10-18