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For the Inventor, By the Inventor

Omaha, NE, United States of America

Streck Laboratories, Inc.


USPTO Granted Patents = 41

% Expired Patents = 2.4


Trademarks = 9

Forward Citations = 872

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11 inventors (with patents filed for the assignee):

goldMedal Wayne L Ryan (36 out of 54 patents)

silverMedal Bradford A Hunsley (3 out of 11 patents)

bronzeMedal John W Scholl (3 out of 6 patents)

4.  Paula B Turpen (2 out of 2 patents)

5.  Jiong Wu (1 out of 3 patents)

6.  Roulhwai Chen (1 out of 3 patents)

7.  Azra S Zaidi (1 out of 3 patents)

8.  Wayne R Hengstenberg (1 out of 4 patents)

9.  Carter Grandjean (1 out of 1 patent)

10.  Alireza Ebrahim (1 out of 1 patent)

11.  James E McClurg (1 out of 1 patent)


Core Competencies:
Flow Cytometry Reagent
Erythrocyte Sedimentation
Hematology Control
Antigen Preservation
Blood Control
Reticulocyte Measurement
Liquid Lipoprotein
Platelet Aggregation
Bilirubin Assay
Tissue Fixative
Quantitative Buffy Coat
White Blood Cell

41 patents:

1. 6977156 - Flow cytometry reagent and system (2005-12-20),
2. 6890756 - Method of using cyanide-free lyse solution to emulate a cyanide-containing lyse solution in the measurement of hemoglobin (2005-05-10),
3. 6794152 - Flow cytometry reagent and system (2004-09-21),
4. 6723563 - Hematology reference control (2004-04-20),
5. 6653137 - Hematology reference control (2003-11-25),
6. 6531321 - Blood control and system for erythrocyte sedimentation measurement (2003-03-11),
7. 6403377 - Hematology control and system for multi-parameter hematology measurements (2002-06-11),
8. 6399388 - Hematology control and system for multi-parameter hematology measurements (2002-06-04),
9. 6337189 - Fixative system, method and composition for biological testing (2002-01-08),
10. 6265148 - Blood control and system for erythrocyte sedimentation measurement (2001-07-24),
11. 6221668 - Hematology control and system for multi-parameter hematology measurements (2001-04-24),
12. 6200500 - Hematology control and system for multi-parameter hematology measurements (2001-03-13),
13. 6159682 - Blood control and system for erythrocyte sedimentation measurement (2000-12-12),
14. 6124089 - Blood control and system for erythrocyte sedimentation measurement (2000-09-26),
15. 6051433 - Erythrocyte sedimentation rate control (2000-04-18),
Streck Laboratories, Inc., based in Omaha, Nebraska, specializes in the development and manufacturing of innovative products for the clinical laboratory. The company focuses on flow cytometry, hematology control, and blood analysis technologies, providing essential solutions for accurate diagnostics. Their expertise extends to erythrocyte sedimentation, antigen preservation, and platelet aggregation, ensuring high-quality performance in laboratory settings. Streck is committed to advancing medical science through reliable and effective laboratory products.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Streck Laboratories, Inc.
41 Patents

#13 in Omaha, NE

#26 in Nebraska

#8,433 in US

#16,686 in the World

Omaha, NE (US)
Omaha, NE, United States of America

Streck Laboratories, Inc.

Forward Citations = 872

11 inventors:

goldMedal Wayne L Ryan (36 out of 54 patents)

silverMedal Bradford A Hunsley (3 out of 11 patents)

bronzeMedal John W Scholl (3 out of 6 patents)

4.  Paula B Turpen (2 out of 2 patents)

5.  Jiong Wu (1 out of 3 patents)

Please report any incorrect information to [email protected]
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