Missouri City, TX, United States of America

John A Schield

This inventor holds 29 USPTO granted patents and 2 published patent applications, plus 3 CIPO patents and 4 EPO patents, primarily in Hydrocarbon Additives. Top assignees: Baker Hughes Corporation, Petrolite Corporation. Active years: 1984-2017.

USPTO Granted Patents = 29 (Patent Applications = 2)

% Patents Active = 72.4

CIPO Patents = 3

EPO Patents = 4 (Patent Applications = 3)

Average Co-Inventor Count = 2.3

ph-index = 6

Forward Citations = 125(Granted Patents)

Location History:

St. Louis, MO (US) (1984 - 1986)
Chesterfield, MO (US) (1985 - 1999)
Missouri City, TX (US) (2002 - 2017)

Company Filing History:

15 out of 5,728

Baker Hughes Corporation

patents

14 out of 429

Petrolite Corporation

patents

Years Active: 1984-2017

Loading Chart...

Areas of Expertise:

Biofuels

Hydrogen Sulfide Scavengers

Clay Stabilizing Agents

Hydrocarbons

Low Viscosity Additives

Ester-Containing Compounds

Cold Flow Improvers

Anti-Static Additives

Branched Carboxylic Acids

Polyamine Salts

High Molecular Weight Polymers

Shale Stabilizers

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9725668 - Process for clarifying biofuels (2017-08-08),

2. 9719027 - Low viscosity metal-based hydrogen sulfide scavengers (2017-08-01),

3. 9394396 - Hydrogen sulfide scavenger for use in hydrocarbons (2016-07-19),

4. 9127226 - Process for clarifying biofuels (2015-09-08),

5. 8366914 - Multifunctional scavenger for hydrocarbon fluids (2013-02-05),

6. 7867295 - Branched carboxylic acids as fuel lubricity additives (2011-01-11),

7. 7838468 - High molecular weight polyamine salts as clay stabilizing agents (2010-11-23),

8. 7718586 - Hydrocarbons having reduced levels of mercaptans and method and composition useful for preparing same (2010-05-18),

9. 7601675 - Polyamine salts as clay stabilizing agents (2009-10-13),

10. 7328745 - High molecular weight polyamine salts as clay stabilizing agents (2008-02-12),

11. 7284610 - Polyamine salts as clay stabilizing agents (2007-10-23),

12. 6887447 - Hydrogen sulfide abatement in molten sulfur (2005-05-03),

13. 6656445 - Hydrogen sulfide abatement in molten sulfur (2003-12-02),

14. 6391070 - Anti-static additive compositions for hydrocarbon fuels (2002-05-21),

15. 5857287 - Methods and compositions for improvement of low temperature fluidity of (1999-01-12),

Title: The Innovative Journey of John A. Schield

Introduction: John A. Schield, a talented inventor hailing from Missouri City, TX (US), has made significant contributions to the world of innovations with his creative mind and dedication.

Latest Patents: John A. Schield holds several patents in various fields, including technology, engineering, and healthcare. His recent patents focus on cutting-edge solutions for sustainable energy and advanced medical devices.

Career Highlights: Throughout his illustrious career, John A. Schield has been recognized for his groundbreaking inventions that have revolutionized industries. His commitment to pushing the boundaries of technology has led to the development of game-changing products.

Collaborations: John A. Schield has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work in multidisciplinary teams has resulted in successful projects that have had a lasting impact.

Conclusion: In conclusion, John A. Schield stands as a beacon of innovation, constantly striving to create solutions that improve the world we live in. His passion for invention and his relentless pursuit of excellence continue to inspire future generations of inventors.