Company Filing History:
Years Active: 1979-1982
Title: Harold W. Schaefer: Innovator in Vacuum Cleaner Technology
Introduction
Harold W. Schaefer is a notable inventor based in Bloomington, IL (US), recognized for his contributions to vacuum cleaner technology. With a total of 8 patents to his name, Schaefer has made significant advancements in the design and functionality of vacuum cleaners.
Latest Patents
Among his latest patents is a method of making a brush-beater for a vacuum cleaner. This innovative brush-beater assembly features a hollow cylinder with outwardly extending projections and slots for receiving brush assemblies. The projections can be formed pneumatically or hydraulically during production, enhancing the efficiency of the vacuum cleaner. Another notable patent is for a vacuum cleaner bag assembly, which includes an elongated porous outer bag designed to hold a filter bag over an air outlet. This design incorporates a hanger to suspend the outer bag and hold spare filter bags, improving the overall user experience.
Career Highlights
Schaefer has spent a significant portion of his career at National Union Electric Corporation, where he has been instrumental in developing new technologies for vacuum cleaners. His work has not only improved the performance of these devices but has also contributed to the evolution of household cleaning appliances.
Collaborations
Throughout his career, Schaefer has collaborated with several talented individuals, including Martin E. Wiese and Joyce K. Thomas. These partnerships have fostered innovation and creativity in the field of vacuum cleaner technology.
Conclusion
Harold W. Schaefer's contributions to vacuum cleaner technology through his patents and collaborations have made a lasting impact on the industry. His innovative designs continue to influence the development of more efficient and user-friendly cleaning appliances.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.