Location History:
- Jamesville, WI (US) (1985)
- Janesville, WI (US) (1978 - 1989)
Company Filing History:
2 out of 11 
1 out of 1 
1 out of 39 
Years Active: 1978-1989
Title: The Innovative Contributions of Fred W. Kufrin
Introduction
Fred W. Kufrin is a notable inventor based in Janesville, Wisconsin, with a remarkable portfolio of five patents. His inventions reflect a commitment to improving everyday tools and devices, showcasing his ingenuity and practical approach to problem-solving.
Latest Patents
Among his latest patents is the oscillating sprinkler, which features an improved design that includes a frame with a sprinkler tube capable of oscillating movement. This innovative sprinkler is equipped with an inlet water housing that supplies water to the tube, driven by a crank arm and an eccentric gear mechanism. This mechanism allows for a variable speed output, ensuring a uniform velocity of oscillation. Additionally, the sprinkler includes a mechanism for adjusting the crank arm's effective length, enabling changes to the arc of oscillation. Another significant invention is the stamp holding clip and supporting rack, designed to accommodate stamps with various handle sizes without the need for spring loading. This clip features rigid, outwardly diverging arms and can be supported by a free-standing or wall-mounted rack, providing efficient storage solutions.
Career Highlights
Fred W. Kufrin has contributed his expertise to several companies, including Schwaab, Inc. and Fox Valley Corporation. His work in these organizations has allowed him to refine his inventive skills and develop practical solutions that enhance product functionality.
Collaborations
Throughout his career, Kufrin has collaborated with notable individuals such as William L. Zahn and Daniel R. Nettesheim. These partnerships have likely contributed to the innovative spirit reflected in his patents.
Conclusion
Fred W. Kufrin's contributions to the field of invention are marked by his practical designs and innovative solutions. His patents, particularly in the areas of gardening tools and organizational devices, demonstrate his ability to enhance everyday life through thoughtful engineering.