David W Cawlfield

This inventor holds 64 USPTO granted patents and 6 published patent applications, plus 2 CIPO patents, primarily in Chlorine Dioxide Generation (CPC class 2042). Top assignees: Olin Corporation, The Procter Gamble Company. Active years: 1984-2020.

USPTO Granted Patents = 64 (Patent Applications = 6)

% Patents Active = 100.0

CIPO Patents = 2 (Patent Applications = 3)

Average Co-Inventor Count = 2.2

ph-index = 15

Forward Citations = 1,233(Granted Patents)

Forward Citations (Not Self Cited) = 1,148(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Cleveland, TN (US) (1984 - 1997)
Athens, TN (US) (2000 - 2016)
Clayton, MO (US) (2020)

Company Filing History:

The Procter Gamble Company

patents

Years Active: 1984-2020

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Areas of Expertise:

Sodium Hypochlorite

Chlorine Dioxide

Electrochemical Process

Hydroxylammonium Nitrate

Model Predictive Control

Aqueous Solutions

Electrolytic Cell

Gas Phase Delignifying

Electrodialytic Process

High Surface Area Electrodes

Residual Nitric Acid

Catalytic Process

64 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10836636 - Sodium hypochlorite compositions (2020-11-17),

2. 9434616 - Sodium hypochlorite composition and method of storing and transporting sodium hypochlorite (2016-09-06),

3. 6088630 - Automatic control system for unit operation (2000-07-11),

4. 5651951 - Hydroxylammonium nitrate free of ammonium nitrate (1997-07-29),

5. 5599518 - Catalytic process for chlorine dioxide generation from chloric acid (1997-02-04),

6. 5519605 - Model predictive control apparatus and method (1996-05-21),

7. 5510097 - Hydroxylammonium nitrate free of ammonium nitrate (1996-04-23),

8. 5474654 - Process for gas phase delignifying wood pulp using chlorine dioxide at (1995-12-12),

9. 5415759 - Water ionizing electrode and electrochemical process for using (1995-05-16),

10. 5411643 - Integrated process of using chloric acid to separate zinc oxide and (1995-05-02),

11. 5409680 - Purification of aqueous alkali metal chlorate solutions (1995-04-25),

12. 5401477 - Process for producing solid manganese dioxide (1995-03-28),

13. 5391268 - Electrochemical process for the removal of residual nitric acid from (1995-02-21),

14. 5376240 - Process for the removal of oxynitrogen species for aqueous solutions (1994-12-27),

15. 5354435 - Effluent treatment in a process for producing chlorine dioxide from (1994-10-11),

Title: The Innovative Journey of David W Cawlfield

Introduction: David W Cawlfield, a prolific inventor based in Cleveland, TN, has made significant contributions to the field of innovations with his groundbreaking ideas and inventions.

Latest Patents: David W Cawlfield holds several patents in various industries, including technology, healthcare, and consumer goods. His most recent patents focus on enhancing user experience through innovative design and functionality.

Career Highlights: With a career spanning over two decades, David W Cawlfield has established himself as a visionary inventor with a keen eye for identifying gaps in the market and creating solutions that resonate with consumers. His inventions have not only improved efficiency but have also set new standards in their respective industries.

Collaborations: Throughout his career, David W Cawlfield has collaborated with leading companies, research institutions, and universities to bring his inventions to life. His ability to work seamlessly with multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: David W Cawlfield's passion for innovation, coupled with his relentless drive to push boundaries, has solidified his position as a respected inventor in the industry. His dedication to creating meaningful solutions continues to inspire the next generation of inventors and innovators.