Company Filing History:
Years Active: 1992-1993
Title: Innovations by Joseph E Doll
Introduction
Joseph E Doll is an accomplished inventor based in Saratoga, California. He has made significant contributions to the field of fluid dynamics through his innovative patents. With a total of two patents to his name, Doll has focused on enhancing the functionality and efficiency of volumetric pumps.
Latest Patents
Doll's latest patents include a method for monitoring fluid flow from a volumetric pump. This method involves determining if fluid is being displaced by the pump, which includes an inlet cracking valve and an outlet cracking valve. The outlet cracking valve opens when the pressure of the fluid displaced by the plunger exceeds a predefined cracking pressure. This innovation also features a flow detector that signals when the source of liquid for the pump has run dry. Another notable patent is the method and apparatus for detecting proximal and distal occlusions of flexible tubing in a positive displacement pump. This invention utilizes pressure sensors to monitor the integrity of the flexible tubing without compromising its structure.
Career Highlights
Joseph E Doll is currently associated with Abbott Laboratories Corporation, where he continues to develop innovative solutions in the field of medical devices. His work has significantly impacted the efficiency of fluid delivery systems in healthcare settings.
Collaborations
Doll has collaborated with notable colleagues such as Vernon R Natwick and Michael W Lawless, contributing to advancements in their respective fields.
Conclusion
Joseph E Doll's contributions to the field of fluid dynamics through his patents demonstrate his commitment to innovation and improvement in medical technology. His work continues to influence the efficiency of volumetric pumps and fluid delivery systems.