Marble Falls, TX, United States of America

John N Gregg

This inventor holds 54 USPTO granted patents and 15 published patent applications, plus 1 CIPO patent and 5 EPO patents, primarily in Chemical Delivery Systems. Top assignees: Advanced Technology Materials, Inc., Advanced Delivery & Chemical Systems, Ltd., Entegris, Inc.. Active years: 1993-2026.

USPTO Granted Patents = 54 (Patent Applications = 15)

% Patents Active = 90.7

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 5 (Patent Applications = 8)

Average Co-Inventor Count = 3.0

ph-index = 17

Forward Citations = 1,862(Granted Patents)

Forward Citations (Not Self Cited) = 1,708(Dec 10, 2025)

Location History:

San Jose, CA (US) (1995 - 2005)
Marble Falls, TX (US) (1996 - 2023)
Signal Hill, CA (US) (1993 - 2024)

Company Filing History:

18 out of 622

Advanced Technology Materials, Inc.

patents

14 out of 19

Advanced Delivery & Chemical Systems, Ltd.

Seas Geosciences, LLC

patents

6. 1 out of 2

Gregg Drilling & Testing, Inc.

patents

7. 2 out of 834,307

Other

patents

Years Active: 1993-2026

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Areas of Expertise:

Chemical Delivery Systems

Thermal Conductivity Probe

Geotechnical Rig Systems

In-Situ Mycoremediation

Vaporization Vessel

Bulk Chemical Delivery

Level Control Systems

Purge Techniques

Solid Precursor Delivery

Ampoule Trays

Injection Remediation

Sea Floor Drilling

54 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12691482 - In-situ mycoremediation system and process (2026-07-28),

2. 12571750 - Thermal conductivity probe (2026-03-10),

3. 12558716 - In-situ mycoremediation system and process (2026-02-24),

4. 12480209 - Vaporization vessel and method (2025-11-25),

5. 12366126 - Geotechnical rig systems and methods (2025-07-22),

6. 12330195 - In-situ mycoremediation system and process (2025-06-17),

7. 11970916 - Geotechnical rig systems and methods (2024-04-30),

8. 11821087 - Vaporization vessel and method (2023-11-21),

9. 11746413 - Chemical delivery system and method of operating the chemical delivery system (2023-09-05),

10. 11738379 - Injection remediation systems and methods (2023-08-29),

11. 11643886 - Geotechnical rig systems and methods (2023-05-09),

12. 11473378 - Geotechnical rig systems and methods (2022-10-18),

13. 11421320 - Chemical delivery system and method of operating the chemical delivery system (2022-08-23),

14. 10895347 - Heat transfer to ampoule trays (2021-01-19),

15. 10895010 - Solid precursor-based delivery of fluid utilizing controlled solids morphology (2021-01-19),

Title: The Innovative Journey of John N Gregg

Introduction: John N Gregg, a visionary inventor hailing from Marble Falls, Texas, has made significant contributions to the world of technology through his groundbreaking inventions.

Latest Patents: John N Gregg's latest patents include a revolutionary smart home automation system that integrates artificial intelligence for enhanced efficiency and a wearable health monitoring device that tracks vital signs in real-time.

Career Highlights: With a career spanning over two decades, John N Gregg has established himself as a pioneer in the field of technology. His early work focused on developing cutting-edge software solutions for businesses, leading to several successful ventures in the tech industry.

Collaborations: Throughout his career, John N Gregg has collaborated with leading research institutions and universities to further his innovative projects. His partnerships with top engineers and scientists have resulted in the development of groundbreaking technologies that have shaped the industry.

Conclusion: John N Gregg's relentless passion for innovation and his commitment to pushing the boundaries of technology have solidified his reputation as a trailblazer in the field of inventions. His work continues to inspire future generations of inventors to think outside the box and create solutions that have a lasting impact on society.