Company Filing History:

8 out of 46

Felt Products Mfg. Co.

patents

Force Imaging Technologies, Inc.

patents

Years Active: 1976-1996

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5541570 - Force sensing ink, method of making same and improved force sensor (1996-07-30),

2. 5122214 - Method of making a rubber laminated gasket (1992-06-16),

3. 4834279 - Gasketing material and method of making same by densifying adhesive (1989-05-30),

4. 4817969 - Gasket and method of making same (1989-04-04),

5. 4743421 - Method of making gasket having roller coated secondary seals (1988-05-10),

6. 4659410 - Method of making a silk-screened gasket of enhanced sealing (1987-04-21),

7. 4351534 - Abrasive-erosion resistant gasket assembly (1982-09-28),

8. 4325559 - Erosion resistant gasket (1982-04-20),

9. 4166169 - High-strength anaerobic sealants containing N-nitrosoamine modifier (1979-08-28),

10. 4111583 - Roadway joint seal and sealing assembly (1978-09-05),

11. 4103913 - Fretting corrosion resistant gasket and method of making same (1978-08-01),

12. 4090997 - High-strength anaerobic sealant composition and method of preparation (1978-05-23),

13. 3980627 - Anaerobic sealant composition and method of preparation (1976-09-14),

Title: Innovations of Donald J McDowell

Introduction

Donald J McDowell is a notable inventor based in Riverside, IL (US), recognized for his contributions to the field of materials science and sensor technology. With a total of 13 patents to his name, McDowell has made significant advancements in the development of innovative materials and methods.

Latest Patents

Among his latest patents is the invention of a force sensing ink, which is an improved carbon-free force sensitive ink designed for use in force sensors. This ink can withstand temperatures of up to 350°F and pressures of up to 10,000 psi. The formulation includes a thermoplastic polyimide binder, conductive particles, intrinsically semi-conductive particles, and dielectric particles, all with an average particle size of 1.0 micron or less. The preferred semi-conductive particles consist of molybdenum disulfide and ferric and ferrous oxide particles, while the conductive particles include conductive metal oxide compounds such as tin oxide and iron oxide. Additionally, he has developed a method for making a rubber laminated gasket, which features a laminated gasket assembly comprising sheets with thin metallic layers and elastomeric coatings, designed for elevated pressure service openings.

Career Highlights

Throughout his career, McDowell has worked with several companies, including Felt Products Manufacturing Company and Fel-Pro Incorporated. His work has focused on creating innovative solutions that enhance the performance and reliability of various products.

Collaborations

Some of his notable coworkers include Purshottam S Patel and Jerri L Cooper, who have contributed to his projects and innovations.

Conclusion

Donald J McDowell's contributions to the field of invention, particularly in sensor technology and material science, highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to developing practical solutions that address real-world challenges.

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