Bartlesville, OK, United States of America

Eric D Schwerdtfeger

This inventor holds 80 USPTO granted patents and 9 published patent applications, plus 9 CIPO patents and 9 EPO patents, primarily in Catalyst Development (CPC class C08F110-02). Top assignee: Chevron Phillips Chemical Company LP. Active years: 2013-2026.

USPTO Granted Patents = 80 (Patent Applications = 9)

% Patents Active = 100.0

CIPO Patents = 9 (Patent Applications = 9)

EPO Patents = 9 (Patent Applications = 25)

Average Co-Inventor Count = 4.9

ph-index = 15

Forward Citations = 728(Granted Patents)

Forward Citations (Not Self Cited) = 333(Dec 10, 2025)

Inventors with similar research interests:

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Company Filing History:

80 out of 1,180

Chevron Phillips Chemical Company LP

patents

Years Active: 2013-2026

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Areas of Expertise:

Metallocene Polymerization

Chromium Catalysts

Fluidized Bed Reactors

Polymer Composition

Silyl Chromate Catalysts

Aqueous Titanation

Particle Size Control

High Porosity Supports

Low HRVOC Emissions

Loop Slurry Reactors

Catalyst Preparation

Hydrated Reagents

80 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12565545 - Particle size control of silyl chromate catalysts and uses thereof in fluidized bed reactors (2026-03-03),

2. 12565543 - Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization (2026-03-03),

3. 12544745 - Methods of preparing a catalyst utilizing hydrated reagents (2026-02-10),

4. 12516137 - High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization (2026-01-06),

5. 12515202 - Methods of preparing a catalyst (2026-01-06),

6. 12351670 - Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization (2025-07-08),

7. 12319774 - Particle size control of silyl chromate catalysts and uses thereof in fluidized bed reactors (2025-06-03),

8. 12319770 - High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization (2025-06-03),

9. 12161997 - Aqueous methods for titanating a chromium/silica catalyst (2024-12-10),

10. 12146018 - High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization (2024-11-19),

11. 12037483 - Polymer composition and methods of making and using same (2024-07-16),

12. 12024479 - Methods for operating ethylene oligomerization reactor systems with an integrated ultrasonic flow meter (2024-07-02),

13. 12005425 - Methods of preparing a catalyst with low HRVOC emissions (2024-06-11),

14. 11999814 - Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization (2024-06-04),

15. 11999807 - Particle size control of supported chromium catalysts in loop slurry polymerization reactors (2024-06-04),

Title: The Inventor Profile of Eric D. Schwerdtfeger

Introduction: Eric D. Schwerdtfeger is a renowned inventor based in Bartlesville, Oklahoma. His innovative spirit and dedication to creating cutting-edge solutions have made him a prominent figure in the world of inventions.

Latest Patents: Eric D. Schwerdtfeger holds several patents in various fields, including technology, engineering, and manufacturing. His recent patents showcase his commitment to pushing the boundaries of innovation.

Career Highlights: With a successful career spanning over two decades, Eric D. Schwerdtfeger has made significant contributions to the field of inventions. His work has not only revolutionized industries but has also inspired aspiring inventors worldwide.

Collaborations: Throughout his career, Eric D. Schwerdtfeger has collaborated with leading companies, research institutions, and universities to bring his ideas to life. His ability to work with diverse teams has led to the successful development of groundbreaking technologies.

Conclusion: Eric D. Schwerdtfeger's passion for innovation and his relentless drive to create have established him as a visionary inventor. His contributions to the world of inventions continue to impact society positively, making him a true pioneer in his field.