David M Doll

This inventor holds 14 USPTO granted patents and 5 published patent applications and 3 EPO patents. Top assignees: L.e. Jones Company, I. E. Jones Company. Active years: 2015-2026.

USPTO Granted Patents = 14 (Patent Applications = 5)

% Patents Active = 92.9

EPO Patents = 3 (Patent Applications = 8)

Average Co-Inventor Count = 2.9

ph-index = 5

Forward Citations = 167(Granted Patents)

Location History:

Houston, TX (US) (2015 - 2022)
Fort Worth, TX (US) (2022 - 2024)

Company Filing History:

Years Active: 2015-2026

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12746597 - Sintered engine part and method of manufacture thereof (2026-09-29),

2. 12018343 - Martensitic wear resistant alloy strengthened through aluminum nitrides (2024-06-25),

3. 11988294 - Sintered valve seat insert and method of manufacture thereof (2024-05-21),

4. 11566299 - Martensitic wear resistant alloy strengthened through aluminum nitrides (2023-01-31),

5. 11525172 - Nickel-niobium intermetallic alloy useful for valve seat inserts (2022-12-13),

6. 11215090 - High performance iron-based alloys for engine valvetrain applications and methods of making and use thereof (2022-01-04),

7. 11155904 - Cobalt-rich wear resistant alloy and method of making and use thereof (2021-10-26),

8. 10677109 - High performance iron-based alloys for engine valvetrain applications and methods of making and use thereof (2020-06-09),

9. 10421116 - Method of casting valve seat inserts and casting apparatus (2019-09-24),

10. 10138766 - Iron-based alloys and methods of making and use thereof (2018-11-27),

11. 9932867 - Iron-based alloys and methods of making and use thereof (2018-04-03),

12. 9458743 - Iron-based alloys and methods of making and use thereof (2016-10-04),

13. 9334547 - Iron-based alloys and methods of making and use thereof (2016-05-10),

14. 8940110 - Corrosion and wear resistant iron based alloy useful for internal combustion engine valve seat inserts and method of making and use thereof (2015-01-27),

Title: **The Innovative Mind of David M Doll: A Look into His Patents and Career**

Introduction

David M Doll is a prominent inventor based in Fort Worth, TX, known for his significant contributions to materials science and engineering. With a remarkable portfolio of 13 patents, Doll’s innovations reflect his commitment to enhancing wear-resistant alloys and manufacturing processes.

Latest Patents

Among Doll’s recent patents, one notable invention is the "Martensitic wear resistant alloy strengthened through aluminum nitrides." This invention features a pre-alloyed powder with a specific composition designed to improve the performance and durability of wear-resistant materials. The precise formulations include various elements, such as carbon, manganese, chromium, nickel, and tungsten, among others, resulting in superior strength and resistance to wear.

Another significant patent is for a "sintered valve seat insert and method of manufacture thereof." This invention involves a powder admixture that combines different iron-base powders to create a sintered valve seat insert. The meticulous design of this powder admixture allows for optimal hardness and durability in the final product, making it valuable in various industrial applications.

Career Highlights

David M Doll has had a diverse career, working for notable companies such as L.E. Jones Company and I.E. Jones Company. His experiences in these organizations have provided a solid foundation for his inventive pursuits, allowing him to leverage his knowledge in practical applications of his patents.

Collaborations

Throughout his career, Doll has collaborated with talented individuals like Cong Yue Qiao and Douglas Dooley. These partnerships have contributed to the creative environment that fosters innovation and helps advance the development of new technologies in his field.

Conclusion

David M Doll’s extensive work in developing advanced materials and manufacturing techniques showcases his ingenuity and dedication as an inventor. With his impressive patent portfolio and collaborative spirit, he continues to pave the way for innovations that shape industries and improve the performance of various products.

Profile summary based on public USPTO records.

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