This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: Koninklijke Philips Corporation N.v., Hewlett-Packard Development Company, L.p., Presto Engineering, Inc.. Active years: 2002-2022.
Location History:
- Derry, NH (US) (2002)
- McMinnville, OR (US) (2013 - 2022)
Company Filing History:
2 out of 21,857 
1 out of 27,650 
1 out of 1 Years Active: 2002-2022
Title: The Innovative Contributions of Daniel Calvert Canfield
Introduction
Daniel Calvert Canfield is an accomplished inventor based in McMinnville, Oregon. He has made significant contributions to the field of engineering, particularly in the development of innovative devices. With a total of 4 patents to his name, Canfield's work reflects a commitment to enhancing functionality and safety in various applications.
Latest Patents
One of Canfield's latest inventions is a releasable latch designed for doors. This latching device features a rod and a pair of latches that are spaced apart along the rod. The rod is designed to move slidable relative to a channel between two positions, with a bias towards the first position. As the rod moves, both latches operate in unison to engage with protrusions on a frame, securing the door effectively. Additionally, at least one latch can slide relative to the rod, allowing for further adjustments.
Another notable invention is the compact electro-mechanical chest compression drive. This device is a cardio-pulmonary compression tool that includes a motor with a rotating portion. A ball nut is mounted on this rotating portion, which interacts with a ball screw to create longitudinal motion. This motion is crucial for imparting compression cycles to patients, thereby enhancing the effectiveness of cardiopulmonary resuscitation.
Career Highlights
Throughout his career, Canfield has worked with prominent companies such as Koninklijke Philips Corporation N.V. and Presto Engineering, Inc. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Canfield has collaborated with talented individuals in the field, including Christopher Walden and Anthony Matheson. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Daniel Calvert Canfield's inventive spirit and dedication to engineering have resulted in significant advancements in safety and functionality. His contributions continue to impact the industry positively, showcasing the importance of innovation in improving everyday devices.