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For the Inventor, By the Inventor

Great Dunmow, United Kingdom

Steven Bardell

This inventor holds 8 USPTO granted patents. Top assignees: Eev Limited, Marconi Applied Technologies Limited. Active years: 1993-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Steven Bardell. Retrieved from https://idiyas.com/inventor/steven-bardell

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Barnston, GB (1993 - 1997)
  • Essex, GB (1997)
  • Dunmow, GB (1998)
  • Nr. Great Dunmow, GB (2002)
  • Great-Dunmow, GB (1996 - 2005)

Company Filing History:

goldMedal7 out of 50 
 
Eev Limited
 patents
silverMedal1 out of 4 
 
Marconi Applied Technologies Limited
 patents

Years Active: 1993-2005

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8 patents (USPTO):Explore Patents
1. 6879208 - Multi-stage collector having electrode stages isolated by a distributed bypass capacitor (2005-04-12),
2. 6614158 - Electron gun arrangements having closely spaced cathode and electrode and a vacuum seal (2003-09-02),
3. 6407495 - Electron beam tube having particular structure of the vacuum envelope containing electron gun (2002-06-18),
4. 5736820 - Cavity arrangements (1998-04-07),
5. 5684364 - Electron beam tube collector having ceramic shielding means (1997-11-04),
6. 5606221 - Electron beam tubes having a resonant cavity with high frequency (1997-02-25),
7. 5548245 - Electron beam tube arrangements having the input cavity comprised of (1996-08-20),
8. 5239272 - Electron beam tube arrangements having primary and secondary output (1993-08-24),

Title: The Innovative Mind of Steven Bardell

Introduction: Steven Bardell, located in Great Dunmow, GB, is a prolific inventor with a total of 8 patents to his name. His contributions to the field of technology have been significant, particularly in the areas of multistage collectors and electron gun arrangements.

Latest Patents:

1. "Multi-Stage Collector Having Electrode Stages Isolated by a Distributed Bypass Capacitor" - Bardell's innovative approach involves using ceramic rings with metallised surfaces to separate electrode stages in a multistage collector. This design reduces leakage and prevents radio frequency energy from escaping the collector.

2. "Electron Gun Arrangements with Closely Spaced Cathode and Electrode and a Vacuum Seal" - Bardell's electron gun arrangement features a unique vacuum envelope with a Kovar support and a flexible copper member. This setup allows for thermal expansion while maintaining vacuum integrity.

Career Highlights: Bardell has made significant contributions during his tenure at companies like EEV Limited and Marconi Applied Technologies Limited. His expertise and innovative ideas have shaped the field of technology, particularly in the realm of electron devices.

Collaborations: Throughout his career, Bardell has worked closely with esteemed colleagues such as Heinz P. Bohlen and Roy Heppinstall. Their collaborations have led to groundbreaking inventions and advancements in the field of electron devices.

Conclusion: Steven Bardell's inventive spirit and dedication to technological advancement have cemented his legacy as a respected inventor in the realm of electron devices. His patents and contributions continue to inspire future generations of innovators in the field.

Profile summary based on public USPTO records.
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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