Staffordshire, United Kingdom

Stephen David Butler

This inventor holds 27 USPTO granted patents and 2 published patent applications and 17 EPO patents, primarily in Drug Delivery Devices. Top assignees: Sanofi-A Ventis Deutschland Gmbh, Trw Limited, General Electric Technology Gmbh. Active years: 2008-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen David Butler. Retrieved from https://idiyas.com/inventor/stephen-david-butler

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

USPTO Granted Patents = 27 

% Patents Active = 70.4

 

Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 173(Granted Patents)


Location History:

  • Wolverhampton South Staffordshire, GB (2015)
  • Wolverhampton Staffordshire, GB (2018)
  • Essington, GB (2014 - 2020)
  • South Staffordshire, GB (2017 - 2020)
  • London, GB (2020)
  • Wolverhampton, GB (2008 - 2022)
  • Staffordshire, GB (2014 - 2023)

Company Filing History:


Years Active: 2008-2023

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Areas of Expertise:
Drug Delivery Device
Piston Rod
Drive Mechanism
Assembly
Medication Delivery
Torsion Bar
Clamp Assembly
Steering Column
27 patents (USPTO):Explore Patents

Title: Innovations by Stephen David Butler: A Journey of Invention

Introduction

Stephen David Butler, based in Staffordshire, GB, is a prolific inventor with an impressive portfolio of 27 patents. His contributions to the field of engineering and technology have made significant advancements, particularly in drug delivery devices and torsion bar assemblies.

Latest Patents

Among his latest patents, Butler has developed a "Bearing for a Piston Rod Body for a Drug Delivery Device." This innovation features a bearing with an axis, encompassing a first and a second surface spaced apart, along with a third surface connecting both. Openings in the first and third surfaces enhance its functionality for drug delivery systems.

Another notable patent is "Torsion Bar Assembly and Method of Assembling Same." This assembly consists of an input shaft, an output shaft, and a torsion bar connecting the two. The design incorporates end stop faces that limit angular deflections, ensuring proper alignment and functionality of the assembly.

Career Highlights

Butler has worked with prominent companies such as Sanofi-Aventis Deutschland GmbH and TRW Limited, applying his expertise in innovative engineering solutions. His roles in these organizations have contributed to his development of cutting-edge technologies relevant to his patented inventions.

Collaborations

Throughout his career, Butler has collaborated with talented professionals, including Mark Philip Horlock and Christopher James Smith. Their combined efforts have further propelled the advancement of technology in their respective fields.

Conclusion

Stephen David Butler’s innovative spirit is exemplified through his numerous patents and contributions to technology. His work continues to leave a mark on the industry, underscoring the importance of creativity and collaboration in driving advancements in engineering and medicine.

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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