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For the Inventor, By the Inventor

Antrim, United Kingdom

William David Stewart

This inventor holds 27 USPTO granted patents and 8 published patent applications and 7 EPO patents, primarily in Tire Monitoring Systems. Top assignees: Schrader-Bridgeport International, Inc., Sensata Technologies, Inc., Schrader Electronics Limited. Active years: 2000-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William David Stewart. Retrieved from https://idiyas.com/inventor/william-david-stewart

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 = 96.3

 

Average Co-Inventor Count = 2.6

ph-index = 9

Forward Citations = 264(Granted Patents)


Location History:

  • Antrium, IE (2008)
  • County Autrim, GB (2012)
  • Antrim, IE (2000 - 2020)
  • Antrim, GB (2003 - 2023)

Company Filing History:

goldMedal9 out of 31 
 
Schrader-Bridgeport International, Inc.
 patents
silverMedal9 out of 216 
 
Sensata Technologies, Inc.
 patents
bronzeMedal8 out of 30 
 
Schrader Electronics Limited
 patents
4. 1 out of 450 
 
The Gates Corporation
 patents

Years Active: 2000-2025

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Areas of Expertise:
Tire Monitoring
Tread Wear Tracking
Sensor Orientation
Load Estimation
Wheel Theft Detection
Pressure Monitoring
Proximity Connectivity
Motion Detection
Position Determination
Shock Sensors
Automotive Sensors
Wireless Solutions
27 patents (USPTO):Explore Patents
1. 12479245 - Tire monitor with close proximity connectivity (2025-11-25),
2. 12377812 - Wheel theft detection and notification using a tire pressure monitoring system (2025-08-05),
3. 12275280 - Enhanced tracking of tire tread wear (2025-04-14),
4. 11691465 - System and method for estimating tire load (2023-07-04),
5. 11673435 - Configuring a tire monitoring system (2023-06-13),
6. 11650134 - Determining tread depth using data from a tire-mounted sensor (2023-05-16),
7. 11321976 - Adaptively configuring a tire mounted sensor (TMS) with a vehicle-provided parameter (2022-05-03),
8. 11099091 - Advanced tire monitoring system (2021-08-24),
9. 11084336 - Methods and apparatus for determining the orientation of a tire mounted device (2021-08-10),
10. 11034196 - Tire sensor location method and apparatus (2021-06-15),
11. 10836222 - Tire mounted sensors with controlled orientation and removal detection (2020-11-17),
12. 10518590 - System and method for tracking tire tread wear (2019-12-31),
13. 9778305 - Pulse width measurement method and apparatus (2017-10-03),
14. 9126459 - Apparatus and methods for determining the position and/or orientation of a tire mounted unit in a wheel monitoring system (2015-09-08),
15. 8528393 - Wheel position determination using revolution counter (2013-09-10),

Title: William David Stewart: Pioneering Innovations in Tire Monitoring Systems

Introduction: William David Stewart, hailing from Antrim, Great Britain, is a distinguished inventor with an impressive portfolio of 22 patents. His groundbreaking work in the field of tire load estimation and tire monitoring systems has revolutionized the automotive industry.

Latest Patents: Among his recent patents is the "System and Method for Estimating Tire Load", which focuses on accurately determining tire pressure, angular velocity, stiffness coefficients, and radial deformation to enhance tire performance. Another notable invention is the "Configuring a Tire Monitoring System", streamlining the setup process by identifying tire model identifiers and transmitting relevant data seamlessly.

Career Highlights: Stewart's expertise has been instrumental in renowned companies such as Schrader-Bridgeport International, Inc. and Schrader Electronics Limited. His innovative solutions have significantly impacted the development of advanced tire technologies, ensuring safer and more efficient driving experiences.

Collaborations: Throughout his career, Stewart has collaborated closely with talented individuals like Stephen John Robb and Idir Boudaoud. Together, they have synergized their skills to push the boundaries of tire monitoring systems and redefine industry standards.

Conclusion: William David Stewart's relentless pursuit of innovation and commitment to excellence have cemented his status as a trailblazer in the realm of automotive technology. His contributions continue to shape the future of tire monitoring systems, propelling the industry towards greater efficiency and safety.

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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