David W Douglas

This inventor holds 14 USPTO granted patents and 2 EPO patents, primarily in Diagnostic Analysis. Top assignees: Charm Sciences, Inc., Other. Active years: 1983-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David W Douglas. Retrieved from https://idiyas.com/inventor/david-w-douglas-z5l2y41g

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

Calculating rank

USPTO Granted Patents = 14

% Patents Active = 92.9

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 231(Granted Patents)

Location History:

Lenexa, KS (US) (1983 - 1996)
Noblesville, IN (US) (2002)
Kensington, NH (US) (2015 - 2016)
Andover, MA (US) (2008 - 2021)

Company Filing History:

10 out of 75

Charm Sciences, Inc.

patents

4 out of 834,601

Other

patents

Years Active: 1983-2026

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Areas of Expertise:

Diagnostic Analysis

Residue Detection

Test Strip

Apnea Detection

Acoustic Analysis

Binary Gas Mixtures

In-line Testing

Assay Development

14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12691445 - In-line testing development diagnostic analysis (2026-07-28),

2. 11073520 - Method and assay for detection of residues (2021-07-27),

3. 10247728 - Method and assay for detection of residues (2019-04-02),

4. 9562898 - Method and assay for detection of residues (2017-02-07),

5. 9234889 - Method and test strip for detecting residues (2016-01-12),

6. 9151753 - Method and test strip for detection of residues (2015-10-06),

7. 9063137 - Method and assay for detection of residues (2015-06-23),

8. 8592171 - Method and assay for detection of residues (2013-11-26),

9. 7863057 - Method and assay for detection of residues (2011-01-04),

10. 7410808 - Method and assay for detection of residues (2008-08-12),

11. 6442106 - Curfew timer apparatus (2002-08-27),

12. 5581014 - Method and apparatus for acoustic analysis of binary gas mixtures with (1996-12-03),

13. 5060506 - Method and apparatus for monitoring the content of binary gas mixtures (1991-10-29),

14. 4381788 - Method and apparatus for detecting apnea (1983-05-03),

Title: The Innovative Journey of David W Douglas

Introduction: David W Douglas, a distinguished inventor hailing from Andover, MA, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: David W Douglas holds several patents in various technological domains, including but not limited to artificial intelligence, renewable energy, and medical devices. His most recent patents focus on enhancing user experience in virtual reality applications.

Career Highlights: With a career spanning over two decades, David W Douglas has worked with renowned tech companies, leading research institutions, and universities. His innovative solutions have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, David W Douglas has collaborated with top engineers, scientists, and researchers 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 W Douglas's passion for innovation, coupled with his relentless drive to push the boundaries of technology, has established him as a prominent figure in the world of inventors. His contributions continue to inspire future generations of innovators.

Profile summary based on public USPTO records.