Location History:
- Carroll County, OH (US) (1990 - 1991)
- Carroll, OH (US) (1995)
- Malvern, OH (US) (1976 - 2000)
Company Filing History:
Years Active: 1976-2000
Title: Innovations of Dennis L. Otto in Sealing Technologies
Introduction
Dennis L. Otto, an innovative inventor based in Malvern, Ohio, has contributed significantly to the field of sealing technologies with a prolific portfolio of 25 patents. His inventions are characterized by their efficiency and capability to operate under challenging conditions, making them highly valuable in various applications, particularly in machinery and automotive industries.
Latest Patents
Two of Otto's notable recent patents are the "Seal with Bi-Modulus Lip" and the "Multibarrier Seal". The Seal with Bi-Modulus Lip is designed to separate viscous lubricants, such as grease, from environmental contaminants. This innovative design consists of a case with both axial and radial walls, complemented by a shield that also features these walls. The seal establishes multiple fluid barriers, effectively preventing grease migration under frigid conditions. The primary seal element is crafted from elastomer but includes a higher modulus of elasticity insert, enhancing its structural integrity.
The Multibarrier Seal, on the other hand, comprises an outer case and an inner case fitted to the corresponding races of a bearing. This design includes three inclined lips that function collectively to maintain a vacuum within the bearing interior. The multi-layered sealing arrangement creates formidable barriers against contaminants, ensuring optimal performance in hostile environments even when pressure differentials are absent.
Career Highlights
Otto's career has been marked by significant tenures at reputable companies such as The Timken Company and Chicago Rawhide Manufacturing Company. His work during these periods has led to the development of advanced sealing solutions, pushing the boundaries of performance and reliability in bearing applications.
Collaborations
Throughout his career, Dennis L. Otto has collaborated with talented professionals in the field, including Gordon T. Drygalski and Donald K. Ross. These partnerships have facilitated the sharing of ideas and expertise, further enhancing the innovative nature of his patents.
Conclusion
With a robust collection of patents and significant industry contributions, Dennis L. Otto stands out as a key figure in sealing technology innovations. His work not only enhances the durability and efficiency of machinery but also sets standards for future advancements in the field.