Annapolis, MD, United States of America

Francis C Keffer

This inventor holds 2 USPTO granted patents. Top assignee: Other. Active years: 1980.


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 22(Granted Patents)


Company Filing History:

goldMedal1 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1980

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2 patents (USPTO):Explore Patents

Title: The Innovative Mind of Francis C. Keffer

Introduction

Francis C. Keffer is a notable inventor based in Annapolis, MD (US). He has made significant contributions to the field of innovation, holding a total of 2 patents. His work reflects a commitment to enhancing everyday products through thoughtful design and engineering.

Latest Patents

One of his latest inventions is a hand-held shower head. This innovative shower head features a cylindrical housing with a frusto-conical portion and a single orifice nozzle at its center. A push-button actuator is strategically positioned on the cylindrical side, which activates a valve mechanism through a diaphragm seal. Water flows from an inlet opening through a lightly biased, normally closed valve, operated by a plunger connected to the push-button actuator. The design includes a flow restricter and the single orifice nozzle, with the actuator equipped with stop means to limit its depression.

Career Highlights

Throughout his career, Francis C. Keffer has demonstrated a strong ability to innovate and improve existing technologies. His focus on practical solutions has led to the development of products that enhance user experience and functionality.

Collaborations

Francis has collaborated with Charles M. Kelly, contributing to the advancement of their shared projects and innovations.

Conclusion

Francis C. Keffer's inventive spirit and dedication to improving everyday products through innovation are evident in his work. His contributions continue to impact the industry positively.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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