Company Filing History:
6 out of 3,288 
1 out of 286 
1 out of 94 
Years Active: 1980-2000
Title: The Innovative Mind of Harold H. Hopfe
Introduction
Harold H. Hopfe, an accomplished inventor based in Longmeadow, MA, has made significant contributions to the field of materials science, particularly through his work with thermoplastic materials. With a remarkable portfolio consisting of 10 patents, Hopfe's innovations have played a crucial role in the development of safety glazing technologies and unique plastic materials.
Latest Patents
One of Hopfe's notable inventions is a polyvinyl butyral sheet that features a thermoplastic composition. This sheet has a distinct structural design, incorporating a regular pattern of ridges and channels on each face, intersecting at angles of at least 25 degrees. The design effectively enhances surface permanence, achieving a performance rating of at least 70%.
Another significant patent pertains to the method of preparing a prelaminate for safety glazing. This innovative approach involves a thermoplastic interlayer designed with two different air removal surfaces, allowing for effective deairing when placed between glass layers. The method ensures minimal obstruction for air removal, thereby improving the overall quality and safety of the laminated glass.
Career Highlights
Throughout his career, Harold H. Hopfe has collaborated with various reputable organizations, including Monsanto Company. His work in these renowned companies allowed him to refine his skills and bring his inventive ideas to fruition. His patents have seen implementation in numerous applications, making a positive impact on safety and manufacturing processes.
Collaborations
In addition to his impressive individual work, Hopfe has also had the privilege of collaborating with fellow innovators such as John C. Hoagland and Vincent James Yacovone. These partnerships have contributed to the advancement of his projects and the successful launch of several patented technologies.
Conclusion
Harold H. Hopfe stands out as an influential figure in the world of inventions and patents. His groundbreaking work in thermoplastic materials and safety glazing exemplifies the power of innovation in improving everyday products. With a solid record of patents and collaborative efforts, Hopfe continues to inspire future generations of inventors and innovators.
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.