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Durham, NC, United States of America

Embrex, Inc.

USPTO Granted Patents = 64

% Expired Patents = 12.5

CIPO Patents = 14

EPO Patents = 10

Trademarks = 4

Forward Citations = 1,178

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60 inventors (with patents filed for the assignee):

John Hilbert Hebrank (31 out of 93 patents)

Patricia V Phelps (9 out of 11 patents)

Thomas E Bryan (7 out of 7 patents)

4. Robert L Ilich (6 out of 6 patents)

5. B Alan Chalker, Ii (5 out of 6 patents)

6. Stephen P Wolfe (5 out of 6 patents)

7. Edward W Gross (5 out of 5 patents)

8. Johnny Mark Townsend (4 out of 5 patents)

9. Edward Atkinson Pomeroy, Iii (4 out of 4 patents)

10. Sean Bryan (4 out of 4 patents)

11. Benjamin Charles McDow (3 out of 4 patents)

12. Jonathan Robertson (3 out of 4 patents)

13. James E Hutchins (3 out of 4 patents)

14. Julius K Tyczkowski (3 out of 8 patents)

15. Phillip L Rybarczyk, Jr (3 out of 3 patents)

Core Competencies:

Egg Candling

In Ovo Injection

Embryo Detection

Poultry Vaccines

Egg Sorting

Fluid Dispensing

Egg Removal

Oocyst Production

Automated Systems

Heart Rate Monitoring

Non-invasive Identification

Pneumatic Actuators

64 patents: Sort by Forward Citations

1. 8610018 - Methods and apparatus for selectively processing eggs having identified characteristics (2013-12-17),

2. 8399247 - Methods and apparatus for selectively processing eggs having identified characteristics (2013-03-19),

3. 8235003 - Methods and apparatus for identifying live eggs (2012-08-07),

4. 8107060 - Methods and apparatus for candling eggs via embryo heartbeat detection (2012-01-31),

5. 8098370 - Methods and apparatus for maintaining effective operation of apparatus for candling avian eggs (2012-01-17),

6. 7617795 - Methods and apparatus for injecting and sampling material through avian egg membranes (2009-11-17),

7. 7611277 - Methods and apparatus for candling avian eggs via thermal cameras (2009-11-03),

8. 7573566 - Methods and apparatus for maintaining effective operation of apparatus for candling avian eggs (2009-08-11),

9. 7438019 - Integrated pneumatic actuator and pump for dispensing controlled amounts of a fluid (2008-10-21),

10. 7418922 - Methods for injecting and sampling material through avian egg membranes (2008-09-02),

11. 7333187 - Methods and apparatus for identifying and diagnosing live eggs using heart rate and embryo motion (2008-02-19),

12. 7249569 - Methods for injecting avian eggs (2007-07-31),

13. 7207609 - Vacuum assisted methods of removing eggs (2007-04-24),

14. 7166290 - Methods for producing oocysts (2007-01-23),

15. 7165507 - Methods and apparatus for accurately positioning a device within the subgerminal cavity of avian eggs (2007-01-23),

Company Overview

Embrex, Inc., based in Durham, NC, specializes in advanced technologies for avian egg processing. The company focuses on innovative solutions such as egg candling, in ovo injection, and embryo detection, which enhance poultry health and productivity. Embrex is dedicated to improving poultry vaccines, egg sorting, and fluid dispensing processes, contributing to the efficiency of poultry production. Their expertise in oocyst production further supports the industry in addressing health challenges in avian species.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

64 Patents

#18 in Durham, NC

#143 in North Carolina

#5,679 in US

#11,465 in the World

Durham, NC, United States of America

Embrex, Inc.

Forward Citations = 1,178

60 inventors:

John Hilbert Hebrank (31 out of 93 patents)

Patricia V Phelps (9 out of 11 patents)

Thomas E Bryan (7 out of 7 patents)

4. Robert L Ilich (6 out of 6 patents)

5. B Alan Chalker, Ii (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Embrex, Inc.. Retrieved from https://idiyas.com/company/embrex

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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