Washington, IL, United States of America

Philip Carl Spengler

This inventor holds 28 USPTO granted patents and 10 published patent applications, plus 1 CIPO patent and 8 EPO patents, primarily in Filtration Technology. Top assignee: Caterpillar Inc.. Active years: 2007-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Philip Carl Spengler. Retrieved from https://idiyas.com/inventor/philip-carl-spengler

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

USPTO Granted Patents = 28 (Patent Applications = 10)

% Patents Active = 82.1

CIPO Patents = 1 (Patent Applications = 2)

EPO Patents = 8 (Patent Applications = 8)

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 27(Granted Patents)

Company Filing History:

28 out of 9,804

Caterpillar Inc.

patents

Years Active: 2007-2026

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Areas of Expertise:

Fluid Filter

Filtration Media

Additive Manufacturing

Locking Mechanism

Dust Removal

Fluid Degradation

Sensing System

Valve Cover

Integrated Manifold

3D Printing

Filter Assembly

Filtration Zones

28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12708869 - FLUID FILTER RETENTION MECHANISM (2026-08-18),

2. 12521660 - Integrated manifold for pre-cleaner dust removal (2026-01-13),

3. 12458912 - Filter element locking mechanism (2025-11-04),

4. 12409399 - Filter element locking mechanism (2025-09-09),

5. 12161957 - Integral filter endcap, mold, and seal (2024-12-10),

6. 12121834 - Top and bottom loaded filter and locking mechanism (2024-10-22),

7. 12090426 - Locking feature for a filter (2024-09-17),

8. 11986756 - 3D printed staged filtration media packs (2024-05-21),

9. 11969680 - Filtration media produced using additive manufacturing (2024-04-30),

10. 11707892 - Filtration media packs produced using additive manufacturing (2023-07-25),

11. 11673078 - Filter element locking mechanism (2023-06-13),

12. 11612841 - Sensing system for detecting machine fluid degradation (2023-03-28),

13. 11547964 - Actuated air filter dust valve (2023-01-10),

14. 11541334 - Integral filter endcap, mold, and seal (2023-01-03),

15. 11318400 - Top and bottom loaded filter and locking mechanism (2022-05-03),

Title: The Inventor Philip Carl Spengler

Introduction: Philip Carl Spengler is a renowned inventor based in Washington, IL (US) known for his groundbreaking contributions to various industries.

Latest Patents: Philip Carl Spengler holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of innovations.

Career Highlights: Throughout his career, Philip Carl Spengler has been recognized for his innovative solutions that have revolutionized the way we live and work. His inventions have significantly impacted the market and improved the quality of life for many.

Collaborations: Philip Carl Spengler has collaborated with leading companies, research institutions, and universities to bring his inventions to life. His partnerships have been instrumental in turning his ideas into successful products.

Conclusion: Philip Carl Spengler's passion for innovation and his dedication to creating impactful solutions have solidified his reputation as a pioneering inventor in the industry.

Profile summary based on public USPTO records.