This inventor holds 9 USPTO granted patents. Top assignees: Package Machinery Co. Inc., Eagle Machinery Company, 3M Innovative Properties Company. Active years: 1976-1993.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
6 out of 61 
2 out of 2 
1 out of 22,412 
Years Active: 1976-1993
Title: The Innovations of Ellwood S Douglas
Introduction
Ellwood S Douglas is a notable inventor based in Orinda, CA (US). He has made significant contributions to the field of machinery, particularly in the development of weighing machines. With a total of 9 patents to his name, Douglas has demonstrated a commitment to innovation and precision in his work.
Latest Patents
One of his latest patents is the "Combination weighing machine with feed control." This invention features a combination weighing machine that includes multiple weigh scales for measuring product quantities. The scales operate in a cyclic manner to create packages that closely match a target weight. The machine is equipped with several feeders and accumulators that work in tandem with the scales to ensure accurate loading of products. A sensor detects the product pieces as they are loaded, allowing for precise regulation of the feeder's operation.
Another significant patent is the "Method and apparatus for preparing a blended product charge." This invention utilizes a combinatorial weigher that processes a major product alongside a fill-to-cutoff weigher for a minor product. A controller selects the weight of the minor constituent and searches for the optimal combination of major product scales to achieve a product charge that is closest to the desired weight.
Career Highlights
Throughout his career, Ellwood S Douglas has worked with several companies, including Package Machinery Co. Inc. and Eagle Machinery Company. His experience in these organizations has contributed to his expertise in the field of machinery and weighing systems.
Collaborations
Douglas has collaborated with notable individuals such as Oren A Mosher and Oren G Mosher. These partnerships have likely enriched his work and led to further advancements in his inventions.
Conclusion
Ellwood S Douglas is a distinguished inventor whose work in weighing machines has had a significant impact on the industry. His innovative patents reflect his dedication to improving accuracy and efficiency in product measurement.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile