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For the Inventor, By the Inventor

Beltsville, MD, United States of America

Eg&g Pressure Science, Inc.

Calculating rank
USPTO Granted Patents = 23

Forward Citations = 643

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16 inventors (with patents filed for the assignee):

goldMedal Jeffrey E Swensen (11 out of 16 patents)

silverMedal Horace P Halling (9 out of 39 patents)

bronzeMedal Terence J Nolan (5 out of 6 patents)

4.  J Loyd Spence (5 out of 5 patents)

5.  Robert A Barrett (5 out of 6 patents)

6.  Daniel T Munley (3 out of 3 patents)

7.  Kevin R Felber (2 out of 4 patents)

8.  Kevin S Warehime (2 out of 5 patents)

9.  Thomas S Oh (2 out of 2 patents)

10.  Mark E Woozley (2 out of 2 patents)

11.  Edward P Rhyne (1 out of 3 patents)

12.  Mark Simon (1 out of 1 patent)

13.  Jeffrey F Layer (1 out of 1 patent)

14.  Mark A Higgins (1 out of 1 patent)

15.  John L Beales, Jr (1 out of 1 patent)


23 patents:

1. 6015152 - Seal retainer having an indicator (2000-01-18),
2. 5873611 - Pipe clamping device (1999-02-23),
3. 5799954 - Coaxial sealing ring (1998-09-01),
4. 5772254 - Modular joint, with a replaceable sealing sleeve (1998-06-30),
5. 5735533 - Cavity depth increasing retainer (1998-04-07),
6. 5735532 - Seal compression limiting retainer (1998-04-07),
7. 5730448 - Seal retainer plate (1998-03-24),
8. 5730445 - Pressure energized metalic sealing ring (1998-03-24),
9. 5716052 - Pressure-energized sealing rings (1998-02-10),
10. 5713582 - Seal retainer (1998-02-03),
11. 5645303 - Compact pipe coupling device (1997-07-08),
12. 5630593 - Pressure-energized sealing rings (1997-05-20),
13. 5509702 - Low distortion pipe coupling device (1996-04-23),
14. 5505498 - Flexible pressure-energized joint (1996-04-09),
15. 5433370 - Multi-ply sealing rings and methods for manufacturing same (1995-07-18),
Company Overview
Eg&g Pressure Science, Inc., based in Beltsville, Maryland, specializes in the development and manufacturing of advanced pressure measurement and control systems. The company focuses on providing innovative solutions for various industries, including aerospace, defense, and industrial applications. With a commitment to precision engineering, Eg&g Pressure Science leverages its expertise in sensor technology and data acquisition to enhance operational efficiency and safety in critical environments.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

23 Patents

#4 in Beltsville, MD

#189 in Maryland

#14,447 in US

#27,717 in the World

Beltsville, MD (US)
Beltsville, MD, United States of America

Eg&g Pressure Science, Inc.

Forward Citations = 643

16 inventors:

goldMedal Jeffrey E Swensen (11 out of 16 patents)

silverMedal Horace P Halling (9 out of 39 patents)

bronzeMedal Terence J Nolan (5 out of 6 patents)

4.  J Loyd Spence (5 out of 5 patents)

5.  Robert A Barrett (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Eg&g Pressure Science, Inc.. Retrieved from https://idiyas.com/company/eg-and-g-pressure-science

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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