Location History:
- Minneapolis, MN (US) (1983 - 1984)
- Bloomington, MN (US) (1986 - 1992)
- Bolivar, MO (US) (2000 - 2001)
Company Filing History:
Years Active: 1983-2001
Title: Jack Stifelman: Innovator in Fluid Filter Technology
Introduction
Jack Stifelman is a notable inventor based in Bolivar, MO (US), recognized for his contributions to fluid filter technology. With a total of 8 patents to his name, Stifelman has made significant advancements in the design and functionality of fluid filtration systems. His innovative approach has led to the development of several key patents that enhance the efficiency and reliability of fluid management.
Latest Patents
Stifelman's latest patents include the "In-tank fluid filter with valve assembly" and the "Spin-on filter assembly with valve arrangements." The in-tank fluid filter features a filter head and housing that define multiple liquid flow paths, allowing for effective separation of unfiltered and filtered liquids. This design incorporates a first valve assembly that selectively opens a second liquid flow path based on pressure levels, ensuring optimal fluid management. The spin-on filter assembly includes a block member with a bypass valve and back pressure flow valve assemblies, which facilitate controlled fluid communication between the inlet and outlet channels.
Career Highlights
Stifelman is currently employed at Donaldson Company, Inc., where he continues to innovate in the field of fluid filtration. His work has not only contributed to the company's success but has also set new standards in the industry. His patents reflect a deep understanding of fluid dynamics and a commitment to improving filtration technologies.
Collaborations
Throughout his career, Stifelman has collaborated with talented individuals such as Patrick Fisher and Jeff J Theisen. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.
Conclusion
Jack Stifelman stands out as a prominent inventor in the field of fluid filtration, with a proven track record of innovation and collaboration. His contributions continue to shape the industry and improve the efficiency of fluid management systems.