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For the Inventor, By the Inventor

Shelby Township, MI, United States of America

David R Sigler

This inventor holds 84 USPTO granted patents and 17 published patent applications, primarily in Resistance Spot Welding (CPC class B23K11-115). Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 1986-2022.

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

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

USPTO Granted Patents = 84 

% Patents Active = 78.6

Average Co-Inventor Count = 2.5

ph-index = 9

Forward Citations = 314(Granted Patents)

Forward Citations (Not Self Cited) = 210(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Sterling Heights, MI (US) (1986 - 1992)
  • Shelby Township, Macomb County, MI (US) (1994)
  • Shelby Township, MI (US) (2005 - 2022)

Company Filing History:

goldMedal84 out of 31,977 
 
Gm Global Technolgoy Operations, Inc.
 patents

Years Active: 1986-2022

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Areas of Expertise:
Resistance Spot Welding
Aluminum-Steel Joints
Electrode Design
Weld Face Design
Dissimilar Metal Welding
Mechanical Performance
Welding Process
Multi-Step Welding
Stack-Up Apparatus
Intermetallic Compounds
Thermal Stress Control
Programmable Polarity Module
84 patents (USPTO):Explore Patents
1. 11524358 - Mechanical performance of al-steel weld joints (2022-12-13),
2. 11471972 - Combined stackup apparatus for resistance spot welding (2022-10-18),
3. 11132986 - Tailored panel assembly and method of manufacturing the same (2021-09-28),
4. 11123816 - Aluminum alloy to steel welding process (2021-09-21),
5. 11084119 - Electrode for resistance spot welding of dissimilar materials (2021-08-10),
6. 11065711 - High aspect ratio weld face design for dissimilar metal welding (2021-07-20),
7. 11065710 - Resistance spot welding workpiece stack-ups having a steel workpiece and an aluminum workpiece with a steel plate (2021-07-20),
8. 11045894 - Weld schedule for resistance spot welding of aluminum alloy workpieces (2021-06-29),
9. 10981244 - Resistance welding electrode (2021-04-20),
10. 10981243 - Multi-step direct welding of an aluminum-based workpiece to a steel workpiece (2021-04-20),
11. 10940557 - Programmable polarity module for DC resistance spot welding (2021-03-09),
12. 10857619 - Control of intermetallic compound growth in aluminum to steel resistance welding (2020-12-08),
13. 10857618 - Improving mechanical performance of Al-steel weld joints by limiting steel sheet deformation (2020-12-08),
14. 10766095 - Mating electrodes for resistance spot welding of aluminum workpieces to steel workpieces (2020-09-08),
15. 10751830 - Welding electrode for use in a resistance spot welding workpiece stack-ups that include an aluminum workpiece and a steel workpiece (2020-08-25),

Title: The Innovative Journey of David R Sigler

Introduction: David R Sigler, a talented inventor hailing from Shelby Township, MI (US), has made significant contributions to the field of innovations with his creative mind and dedication.

Latest Patents: David R Sigler holds several patents in various industries, showcasing his versatility and ingenuity in inventing new solutions to existing problems.

Career Highlights: Throughout his career, David R Sigler has demonstrated a keen eye for identifying gaps in the market and developing groundbreaking inventions to fill those voids. His passion for innovation has led to the creation of several successful products that have improved the lives of many.

Collaborations: David R Sigler has collaborated with leading companies, research institutions, and universities to bring his inventions to life. His ability to work effectively in a team and leverage the expertise of others has been instrumental in the success of his projects.

Conclusion: In conclusion, David R Sigler's journey as an inventor is a testament to his unwavering commitment to pushing the boundaries of what is possible through innovation. His impact on the industry is profound, and his legacy will continue to inspire future generations of inventors.

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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