Durand, MI, United States of America

Charles A Detweiler

This inventor holds 37 USPTO granted patents, plus 2 CIPO patents, primarily in Vapor Management Systems. Top assignees: Eaton Corporation, Schmelzer Corporation, Lectron Products, Inc.. Active years: 1980-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles A Detweiler. Retrieved from https://idiyas.com/inventor/charles-a-detweiler

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.7

ph-index = 11

Forward Citations = 503(Granted Patents)


Company Filing History:


Years Active: 1980-2002

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Areas of Expertise:
Solenoid Valve
Fuel Vapor Control
Torque Motor
Vapor Management
Latch Assembly
Pressure Compensating Valve
Throttle Positioning
Vacuum Motor
Check Valve
Automotive Switch
Regulator Valve
Actuator Mechanism
37 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Charles A. Detweiler

Introduction

Charles A. Detweiler is an esteemed inventor based in Durand, Michigan, who has made significant contributions to the field of solenoid valves. With an impressive portfolio of 37 patents to his name, Detweiler's work showcases inventive spirit and technical ingenuity, particularly in the automotive and engineering domains.

Latest Patents

Among his latest innovations is the "Low Current Solenoid Valve," a sophisticated device designed to optimize energy consumption. This solenoid-operated valve features a series connection with a resistor and a PTC thermistor. During operation, the armature moves to close the valve member against a seat, and the design effectively minimizes current requirements when the valve is closed. This innovation is particularly advantageous for on-board vehicle diagnostic procedures post-engine shut-down, reducing battery drain and ensuring reliable re-starts.

Another noteworthy patent is for a "Solenoid Assembly with High-Flux C-Frame," which integrates the valve body with the coil bobbin for enhanced performance. This design employs a C-frame made from a single piece of sheet stock, improving surface area for flux transfer to a sliding armature, thereby providing efficient valve operation.

Career Highlights

Throughout his career, Detweiler has worked with renowned companies such as Eaton Corporation and Schmelzer Corporation. His time at these organizations allowed him to pioneer advancements in solenoid technologies, reinforcing his reputation as a leading figure in the industry.

Collaborations

Charles A. Detweiler has also collaborated with other prominent engineers like Daniel L. Deland and Gerrit V. Beneker. Their combined expertise has fostered innovative developments, contributing further to the efficiency and effectiveness of various engineering processes.

Conclusion

In summary, Charles A. Detweiler's contributions in the realm of solenoid valves illustrate his commitment to innovation and excellence. With his extensive experience and a robust patent portfolio, he continues to be a vital asset in the engineering community, pushing the boundaries of what is possible in the industry. His inventions not only enhance product performance but also pave the way for sustainable practices within the automotive sector.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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