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For the Inventor, By the Inventor

Gastonia, NC, United States of America

Douglas A Cather, Jr

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.2

ph-index = 9

Forward Citations = 210(Granted Patents)


Company Filing History:

goldMedal11 out of 91 
 
Garlock, Inc.
 patents
silverMedal1 out of 31 
 
Chicago Rawhide Manufacturing Co.
 patents

Years Active: 1978-1993

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12 patents (USPTO):Explore Patents
1. 5244215 - Rotary shaft seal with retractable excluder lip (1993-09-14),
2. 4504067 - High pressure shaft seal with low-friction lip liner (1985-03-12),
3. 4406847 - Method for making a lip type shaft seal having a resin liner (1983-09-27),
4. 4359228 - Linecutter seal, apparatus and method (1982-11-16),
5. 4335889 - Shaft seal with liner flange (1982-06-22),
6. 4311316 - Shaft seal and method (1982-01-19),
7. 4289321 - Pressure shaft seal and method (1981-09-15),
8. 4289318 - Hydraulic motor balancing ring seal (1981-09-15),
9. 4274641 - Shaft seal and method (1981-06-23),
10. 4258927 - Shaft seal with retractable polytetrafluoroethylene-lined sealing lip (1981-03-31),
11. 4218813 - Method and tool for installing shafts through seals (1980-08-26),
12. 4126316 - Method of installing shaft seal with reformable shell (1978-11-21),

Title: The Innovations of Douglas A. Cather, Jr.

Introduction

Douglas A. Cather, Jr. is a notable inventor based in Gastonia, North Carolina. With a remarkable portfolio of 12 patents, he has made significant contributions to the field of sealing technology, particularly in the design and functionality of fluid seals.

Latest Patents

Cather's latest patents showcase his innovative approach to sealing mechanisms. One of his prominent inventions is the "Rotary Shaft Seal with Retractable Excluder Lip". This seal assembly is designed to retain fluids within a sealed region, defined by an annular casing member and a shaft extending axially through the assembly. The design incorporates both a primary and a secondary lip to facilitate easier and more reliable installation of the shaft.

Another notable patent is the "High Pressure Shaft Seal with Low-Friction Lip Liner". This invention features a lip-type bonded shaft seal designed to withstand substantial fluid pressure. It includes a low-friction liner that is bonded to the elastomeric component of the seal, while the U-shaped metal shell supports the sealing lip. The innovative design ensures that the low-friction liner operates independently of the metal shell, enhancing overall performance.

Career Highlights

Throughout his career, Cather has worked with renowned companies such as Garlock, Inc. and Chicago Rawhide Manufacturing Co. His experience in these firms has contributed to his expertise in sealing technologies and innovation.

Collaborations

Cather has collaborated with distinguished colleagues in the field, including Martin E. Benjamin and Boyce J. Lear, Jr. Their joint efforts have likely fostered an environment of creativity and innovation, leading to advancements in sealing technology.

Conclusion

Douglas A. Cather, Jr.'s contributions to sealing technology through his patents and collaborations demonstrate his innovative spirit and dedication to the advancement of engineering solutions. His work continues to have a lasting impact on the industry, showcasing the importance of creativity in addressing practical challenges.

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