Company Filing History:
Years Active: 2004-2015
Title: Innovations by Margaret A. Hartfel
Introduction
Margaret A. Hartfel is a notable inventor based in Saint Paul, MN (US). She has made significant contributions to the field of liquid spraying technology, holding a total of 7 patents. Her work has been instrumental in developing efficient and effective apparatuses for spraying liquids.
Latest Patents
Among her latest patents is an innovative apparatus for spraying liquids, which includes adapters and liquid reservoirs suitable for use with gravity-fed spray guns. This invention features a body with an attachment point at the top and a spray nozzle at the front. The fluid reservoir is designed to contain the liquid to be sprayed, comprising a container with an open end and a lid that engages with the container. The lid includes a connector to couple the fluid reservoir to the spray gun's attachment point, along with an aperture for fluid flow. Additionally, a filter is positioned to ensure the fluid is filtered before reaching the spray nozzle, enhancing the overall functionality of the device.
Career Highlights
Margaret A. Hartfel is associated with 3M Innovative Properties Company, where she has been able to apply her inventive skills to develop practical solutions in the industry. Her dedication to innovation has led to advancements in the technology of spray guns, making them more efficient and user-friendly.
Collaborations
Throughout her career, Margaret has collaborated with notable colleagues, including Malcolm F. Douglas and Alan F. Butler. These partnerships have contributed to the successful development of her inventions and have fostered a collaborative environment for innovation.
Conclusion
Margaret A. Hartfel's contributions to the field of liquid spraying technology exemplify her commitment to innovation and excellence. Her patents reflect her ability to solve complex problems and improve existing technologies. Her work continues to influence the industry and inspire future inventors.