HF

Helmut Freitag

BO BOE: 13 patents #1,567 of 12,373Top 15%
SD Spectral Diagnostics: 4 patents #4 of 23Top 20%
KG Krupp Fordertechnik Gmbh: 1 patents #16 of 50Top 35%
Overall (All Time): #241,795 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7238538 Chromatographic assay device and methods Qinwei Shi 2007-07-03
6673628 Analytical test device and method Qinwei Shi, Charles A. Harrington 2004-01-06
6410341 Analytical test device and method for use in medical diagnoses Qinwei Shi, Charles A. Harrington 2002-06-25
6214629 Analytical test device and method for use in medical diagnoses Oinwei Shi, Charles A. Harrington 2001-04-10
6171870 Analytical test device and method for use in medical diagnoses 2001-01-09
5707820 Reagent and assay methods including a phenazine-containing indicator Christopher D. Wilsey 1998-01-13
5460975 Diphenylmethane derivatives, process for their production and their use for the displacement of iodothyronines from proteins which bind them Wolfgang-Reinhold Knappe, Heino Eikmeier, Wolfgang Weckerle 1995-10-24
5434054 Devices for determining hydrolase activity through its hydrolytic release of an immobilized indicator enzyme Klaus Pollmann, Anselm Rothe 1995-07-18
5403100 Ball race slew bearing Bernd Meyenburg 1995-04-04
5271895 Test strip Ralph P. McCroskey, Mary C. Smith, Kenneth J. Dean, Stephanie Secrest, Lee Bouse 1993-12-21
5223436 Test carrier for the analytical determination of a component of a liquid sample Anselm Rothe, Klaus Pollmann 1993-06-29
5162238 Test carrier for analysis of a liquid sample Henio Eikmeier, Karin Munter, Klaus Pollmann, Hans-Erich Wilk, Johannes Winkle 1992-11-10
5132208 Test carrier for the analysis of a sample liquid Hans-Erich Wilk, Anselm Rothe, Heino Eikmeier 1992-07-21
5037736 Process and test carrier for the determination of an analyte Hans-Erich Wilk, Anselm Rothe 1991-08-06
5037764 Process for determination of an analyte and reagent therefor Hans-Erich Wilk, Josef Burg, Johann Berger 1991-08-06
4929545 Method and reagent for determination of an analyte via enzymatic means using a ferricyanide/ferric compound system 1990-05-29
4876067 Multilayer test strip device with a dissolvable reagent layer Ulfert Deneke, Rolf Nagel, Anselm Rothe 1989-10-24
4839297 Test carrier and method for the analytical determination of a component of a body fluid Joachim Steinbiss, Anselm Rothe 1989-06-13
4786603 Method for separating plasma from blood and silanized glass fibres therefor Hans Wielinger 1988-11-22