Company Filing History:
Years Active: 1989-2002
Title: Innovations of John M Donnelly
Introduction
John M Donnelly is an accomplished inventor based in Overland Park, Kansas. He holds two patents that showcase his expertise in process control instruments and differential pressure switch assemblies. His innovative contributions have significantly impacted the field of instrumentation.
Latest Patents
One of his latest patents is a "Process control instrument with multiple functions." This invention includes a sensor for sensing a process variable in a processing environment, along with a switch, gauge, and transmitter. The components are powered via a two-wire power loop, allowing for independent scalability. The controller modulates the amplitude of the current based on the sensed variable, ensuring precise control.
Another notable patent is the "Differential pressure switch assembly with high static pressure use." This assembly features a conventional snap action switch for controlling equipment operation. It includes a high-pressure plate, a low-pressure plate, and a diaphragm that separates the high and low-pressure cavities. The design allows for adjustable set points and efficient actuation of the switch assembly.
Career Highlights
Throughout his career, John M Donnelly has worked with reputable companies such as Sor Inc. and Dwyer Instruments, Inc. His experience in these organizations has contributed to his development as an inventor and innovator in the field of instrumentation.
Collaborations
John has collaborated with talented individuals, including Xiqing Ma and Prabhaharan Kumarakulasingam. These partnerships have fostered a creative environment that has led to the development of innovative solutions in their respective fields.
Conclusion
John M Donnelly's contributions to the field of instrumentation through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.