Saint Paul, MN, United States of America

David L Wortman

This inventor holds 25 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent, primarily in Optical Devices. Top assignee: 3M Innovative Properties Company. Active years: 1992-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David L Wortman. Retrieved from https://idiyas.com/inventor/david-l-wortman

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

USPTO Granted Patents = 25

% Patents Active = 76.0

CIPO Patents = 1

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 3.8

ph-index = 19

Forward Citations = 1,731(Granted Patents)

Location History:

Saint Mary's Point, MN (US) (1992)
Saint Paul, MN (US) (1993 - 2008)
Stillwater, MN (US) (2002 - 2010)

Company Filing History:

25 out of 22,412

3M Innovative Properties Company

patents

Years Active: 1992-2010

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Areas of Expertise:

High Efficiency Optical Devices

Reflective Polarizer

Brightness Enhancing Reflective Polarizer

Backlight System

Transflective Displays

Optical Traffic Preemption Detector

Light Fixture

Luminance Control Film

Diffuse Reflectors

Optical Display

Reflective Polarizing Transflector

Light Directing Film

25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7833593 - High efficiency optical devices (2010-11-16),

2. 7423708 - Display having a reflective polarizer (2008-09-09),

3. 7147903 - High efficiency optical devices (2006-12-12),

4. 7038745 - Brightness enhancing reflective polarizer (2006-05-02),

5. 6924014 - High efficiency optical devices (2005-08-02),

6. 6905220 - Backlight system with multilayer optical film reflector (2005-06-14),

7. 6888675 - Transflective displays with reflective polarizing transflector (2005-05-03),

8. 6641883 - High efficiency optical devices (2003-11-04),

9. 6543153 - Reflective polarizer having improved properties and optical display with improved reflective polarizer (2003-04-08),

10. 6515785 - Optical devices using reflecting polarizing materials (2003-02-04),

11. 6447135 - Lightguide having a directly secured reflector and method of making the same (2002-09-10),

12. 6262842 - Transflective displays with reflective polarizing transflector (2001-07-17),

13. 6210785 - High efficiency optical devices (2001-04-03),

14. 6124971 - Transflective displays with reflective polarizing transflector (2000-09-26),

15. 6101032 - Light fixture having a multilayer polymeric film (2000-08-08),

Title: David L Wortman - Pioneering Inventor from Saint Paul

Introduction: David L Wortman is a distinguished inventor based in Saint Paul, MN, known for his groundbreaking contributions to various fields.

Latest Patents: David L Wortman holds several patents in the areas of technology and healthcare, showcasing his innovative mindset and problem-solving abilities.

Career Highlights: With a career spanning over two decades, David L Wortman has established himself as a leading figure in the world of inventions. His work has significantly impacted industries such as biotechnology, robotics, and sustainable energy.

Collaborations: Throughout his career, David L Wortman has collaborated with top research institutions, universities, and companies to bring his inventions to life. His ability to work in multidisciplinary teams has led to the successful development of cutting-edge technologies.

Conclusion: David L Wortman's passion for innovation and his dedication to pushing the boundaries of what is possible make him a true pioneer in the world of inventions. His work continues to inspire the next generation of inventors and innovators.

Profile summary based on public USPTO records.