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Malvern, PA, United States of America

Numar Corporation

USPTO Granted Patents = 26

CIPO Patents = 2

Trademarks = 2

Forward Citations = 1,209

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25 inventors (with patents filed for the assignee):

Manfred G Prammer (15 out of 47 patents)

George R Coates (6 out of 6 patents)

Melvin N Miller (5 out of 8 patents)

4. Paul F Rodney (4 out of 135 patents)

5. Marian Morys (4 out of 27 patents)

6. Roger P Bartel (4 out of 15 patents)

7. James H Dudley (4 out of 25 patents)

8. Chen-Kang David Chen (4 out of 19 patents)

9. Peter Masak (4 out of 12 patents)

10. John E Smaardyk (4 out of 6 patents)

11. George David Goodman (4 out of 40 patents)

12. Michael Louis Larronde (4 out of 16 patents)

13. Dale Allen Jones (4 out of 14 patents)

14. Duncan Mardon (3 out of 3 patents)

15. Zvi Taicher (2 out of 3 patents)

Core Competencies:

Nuclear Magnetic Resonance

Hydrocarbon Identification

Downhole Techniques

Gas Detection

Formation Evaluation

Echo Train Processing

Petrophysical Properties

Drilling Measurements

Magneto-Acoustic Artifacts

Eccentric Well Logging

Multifrequency Gradient

NMR Diffusion Measurement

26 patents: Sort by Forward Citations

1. 6825659 - Method and apparatus for nuclear magnetic resonance measuring while drilling (2004-11-30),

2. 6583621 - Method and apparatus for nuclear magnetic resonance measuring while drilling (2003-06-24),

3. 6377042 - Method and apparatus for merging of NMR echo trains in the time domain (2002-04-23),

4. 6362619 - Method and apparatus for nuclear magnetic resonance measuring while drilling (2002-03-26),

5. 6316940 - System and method for identification of hydrocarbons using enhanced diffusion (2001-11-13),

6. 6268726 - Method and apparatus for nuclear magnetic resonance measuring while drilling (2001-07-31),

7. 6242913 - Method for formation evaluation while drilling (2001-06-05),

8. 6242912 - System and method for lithology-independent gas detection using multifrequency gradient NMR logging (2001-06-05),

9. 6204663 - Pulse sequence and method for suppression of magneto-acoustic artifacts in NMR data (2001-03-20),

10. 6111408 - Nuclear magnetic resonance sensing apparatus and techniques for downhole (2000-08-29),

11. 6107796 - Method and apparatus for differentiating oil based mud filtrate from (2000-08-22),

12. 6051973 - Method for formation evaluation while drilling (2000-04-18),

13. 6023164 - Eccentric NMR well logging apparatus and method (2000-02-08),

14. 6005389 - Pulse sequences and interpretation techniques for NMR measurements (1999-12-21),

15. 5936405 - System and method for lithology-independent gas detection using (1999-08-10),

Numar Corporation, based in Malvern, PA, specializes in advanced technologies for the healthcare sector, focusing on the development of innovative medical devices and solutions. The company is dedicated to enhancing patient care through the integration of cutting-edge engineering and design principles. Numar's research spans various domains, including diagnostics and therapeutic devices, aiming to improve clinical outcomes and streamline healthcare processes. Its commitment to innovation positions it as a key player in the evolving landscape of medical technology.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

26 Patents

#20 in Malvern, PA

#469 in Pennsylvania

#12,843 in US

#24,758 in the World

Malvern, PA, United States of America

Numar Corporation

Forward Citations = 1,209

25 inventors:

Manfred G Prammer (15 out of 47 patents)

George R Coates (6 out of 6 patents)

Melvin N Miller (5 out of 8 patents)

4. Paul F Rodney (4 out of 135 patents)

5. Marian Morys (4 out of 27 patents)

Please report any incorrect information to [email protected]

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