James R Curtis

Title: James R. Curtis: Inventor of Silicon Carbide Ionizer Electrodes

Introduction

James R. Curtis is an inventor based in Lansdale, Pennsylvania. His patent work focuses on corona-producing ionizer electrodes made with silicon carbide, a material used to support gas ionization under high voltage. Curtis is associated with Illinois Tool Works Inc. His listed portfolio includes 2 patents.

Latest Patents

Curtis’s listed patents address the design and use of ionizer emitter electrodes made from silicon carbide and other carbide materials.

“Method of Forming a Corona Electrode Substantially of Chemical Vapor Deposition Silicon Carbide and a Method of Ionizing Gas Using the Same” describes forming an emitter electrode from substantially pure silicon carbide deposited through chemical vapor deposition. The patent also outlines using the electrode in a gas ionizer by connecting it to a high-voltage power supply and applying alternating or direct current.

“Emitter Electrodes Formed of Chemical Vapor Deposition Silicon Carbide” describes ionizer electrodes formed from, or partially coated with, carbide materials such as silicon carbide, boron carbide, germanium carbide, and silicon-germanium carbide. The disclosed alternatives include electrodes substantially made of silicon carbide and conductive metal electrodes coated with silicon carbide. The patent also describes an electrode with a resistivity of no more than approximately 100 ohm-centimeters.

Career Highlights

Curtis’s patent work highlights the application of chemical vapor deposition silicon carbide to corona-producing electrodes. The inventions describe electrode materials and configurations intended for use in ionizers that apply high voltage to ionize gas.

Collaborations

The supplied information identifies Illinois Tool Works Inc. as Curtis’s company and John A. Gorczyca as a coworker. The available details do not specify their roles in the listed inventions.

Conclusion

James R. Curtis’s listed patents focus on silicon carbide emitter electrodes and methods for using them in gas-ionization systems.