Austin, TX, United States of America

David R Welland

This inventor holds 135 USPTO granted patents and 4 published patent applications, primarily in Communication Circuitry (CPC class H04M1-00). Top assignees: Silicon Laboratories Inc., Cirrus Logic Inc., Crystal Semiconductor Corporation. Active years: 1987-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David R Welland. Retrieved from https://idiyas.com/inventor/david-r-welland

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

USPTO Granted Patents = 135 

% Patents Active = 76.3

Average Co-Inventor Count = 2.6

ph-index = 29

Forward Citations = 2,583(Granted Patents)

Forward Citations (Not Self Cited) = 2,363(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Limerick, IE (1991)
  • Autin, TX (US) (2004)
  • Austin, TX (US) (1987 - 2019)

Company Filing History:


Years Active: 1987-2019

Loading Chart...
Areas of Expertise:
Temperature Measurement
Capacitive Touch Screen
Precision Reference Circuit
Digital Access Arrangement
Ratiometric Clock Systems
High-Frequency Signals
Isolation System
Quadrature Processing
Automatic Gain Control
Digital Expander
Power Detector
Transceiver Architecture
135 patents (USPTO):Explore Patents

Title: David R Welland: A Trailblazer in Innovations and Patents

Introduction:

David R Welland, a resident of Austin, TX, has made significant contributions to the field of innovations and patents. With an impressive portfolio of 135 patents, David has proven himself to be a dedicated and pioneering inventor. This article aims to shed light on his latest patents, career highlights, collaborations, and his overall impact on the industry.

Latest Patents:

Among David R Welland's recent patents, two noteworthy inventions stand out. The first patent titled "Temperature Measurement Circuitry and Method" reveals his expertise in the field of sensing technology. This method involves using modulator cycles and filtering techniques to accurately determine temperature. Such innovations have crucial implications in various industries, such as electronics, medical devices, and automotive applications.

Another remarkable patent attributed to David is the "Controller and Method for Controlling a Capacitive Touch Screen or the Like." This invention showcases his prowess in touch-screen technologies. The patent describes a controller that measures capacitance values and uses them to create an interference map, enabling precise touch resolution. This innovation has significant relevance in the current era of touch-based interfaces and user-friendly devices.

Career Highlights:

David R Welland's career has been marked by remarkable achievements and contributions. He has been associated with renowned companies such as Silicon Laboratories Inc. and Cirrus Logic, Incorporated. His tenure at these organizations highlights his commitment to pushing the boundaries of technological advancements and contributing to the success of industry-leading enterprises.

Collaborations:

Throughout his career, David has had the privilege of collaborating with talented individuals who have further enriched his journey. Notable among these colleagues are Jeffrey William Scott and Navdeep S Sooch. These collaborations have not only resulted in breakthrough inventions but have also fostered an environment of knowledge sharing and innovation. Together, they have contributed to shaping the landscape of patents and technological growth.

Conclusion:

David R Welland's impressive portfolio of 135 patents speaks volumes about his expertise and dedication in transforming groundbreaking ideas into tangible and impactful inventions. His recent patents, such as the temperature measurement circuitry and the touch screen controller, demonstrate his versatility and technical acumen across various domains. Moreover, his collaborations with esteemed colleagues have further fueled his success. As an innovator and inventor, David continues to make significant contributions to the ever-evolving field of innovations and patents, inspiring others to explore and capitalize on their own inventive ideas.

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]
Loading…