This inventor holds 5 USPTO granted patents. Top assignees: E.i. Dupont De Nemours and Company, Hi-Float Co., Inc.. Active years: 1976-1996.
Company Filing History:
Years Active: 1976-1996
Title: Harold K Sinclair: Innovator in Balloon Technology
Introduction
Harold K Sinclair is a notable inventor based in Louisville, KY (US), recognized for his contributions to the field of balloon technology. With a total of 5 patents to his name, Sinclair has made significant advancements that enhance the performance and usability of balloons.
Latest Patents
One of Sinclair's latest patents focuses on "Balloons having improved resistance to oxidation." This innovation involves coating the exterior of elastomeric balloons made from natural rubber with a film of uncured elastomer, preferably neoprene. This coating not only improves the oxidation resistance but also maintains the clarity of the inflated balloons, making them particularly useful for gift containers and balloon sculptures. Another significant patent is for "Gas barrier coating and coated elastomeric toy balloons." This invention utilizes polyvinyl alcohol coatings to enhance the buoyant life of elastomeric balloons. By incorporating a water-soluble carbohydrate extender such as dextrose, the improved coatings can double the floating life of the balloons across various humidity levels.
Career Highlights
Throughout his career, Sinclair has worked with prominent companies, including E.I. DuPont De Nemours and Company and Hi-Float Co., Inc. His work in these organizations has allowed him to develop and refine his innovative ideas in balloon technology.
Collaborations
Sinclair has collaborated with notable individuals in his field, including Clarence Frederick Hammer and Donald K Burchett. These partnerships have contributed to the advancement of his inventions and the overall development of balloon technology.
Conclusion
Harold K Sinclair's innovative work in balloon technology has led to significant advancements that improve the functionality and longevity of balloons. His patents reflect a commitment to enhancing user experience and expanding the applications of balloons in various settings.